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Journal articles on the topic 'Sulfide nanoparticles'

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Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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1

Venkat Kumar S, Sowmya B, Geetha R, Karpagambigai S, Jacquline Rosy P, Rajeshkumar S, and Lakshmi T. "Preparation of yeast mediated semiconductor nanoparticles by Candida albicans and its bactericidal potential against Salmonella typhi and Staphylococcus aureus." International Journal of Research in Pharmaceutical Sciences 10, no. 2 (April 15, 2019): 861–64. http://dx.doi.org/10.26452/ijrps.v10i2.262.

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Biosynthesis of nanoparticles using microorganism is widely used in biological applications due to its eco-friendly nature and lower cost. The present study aimed to investigate the yeast, Candida albicans for the synthesis of nano cadmium sulfide is a semiconductor nanoparticle. The yeast synthesized nanoparticles tested for its spectroscopic and microscopic characters. The peak at 420 nm identified by UV-Vis spectrophotometer confirms the Cadmium sulfide (CdS) nanoparticles synthesis preliminarily. Further, the nanoparticles were characterized using X-ray diffraction assay, scanning electron microscope, and elemental dispersive analysis. Finally, the synthesized Cadmium sulfide (CdS) nanoparticles were tested for its antibacterial activity against disease-causing pathogens such as Salmonella typhi and Staphylococcus aureus. The maximum zone of inhibition shows 15mm at the concentration of 100µl of CdS nanoparticle. Thus a promising antibacterial activity of yeast mediated synthesized Cadmium sulfide (CdS) nanoparticles was described.

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2

López, Israel, and Idalia Gómez. "Microwave-Assisted Synthesis of Cadmium Sulfide Nanoparticles: Effect of Hydroxide Ion Concentration." MRS Proceedings 1617 (2013): 151–56. http://dx.doi.org/10.1557/opl.2013.1178.

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ABSTRACTCadmium sulfide nanoparticles were synthesized by a microwave-assisted route in aqueous dispersion. The cadmium sulfide nanoparticles showed an average diameter around 5 nm and a cubic phase corresponding to hawleyite. The aqueous dispersions of the nanoparticles were characterized by UV-Vis spectroscopy, luminescence analysis, transmission electron microscopy and X-ray diffraction. The addition of sodium hydroxide solutions at different concentrations causes a red-shift in the wavelength of the first excitonic absorption peak of the cadmium sulfide nanoparticles, indicating a reduction of the band gap energy. Besides, the intensity of the luminescence of the nanoparticle dispersions was increased. However, there is a threshold concentration of the hydroxide ion above which the precipitation of the cadmium sulfide nanoparticles occurs.

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3

Okada, Satoshi, Chong Chen, Tomo-o. Watsuji, Manabu Nishizawa, Yohey Suzuki, Yuji Sano, Dass Bissessur, Shigeru Deguchi, and Ken Takai. "The making of natural iron sulfide nanoparticles in a hot vent snail." Proceedings of the National Academy of Sciences 116, no. 41 (September 24, 2019): 20376–81. http://dx.doi.org/10.1073/pnas.1908533116.

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Biomineralization in animals exclusively features oxygen-based minerals with a single exception of the scaly-foot gastropod Chrysomallon squamiferum, the only metazoan with an iron sulfide skeleton. This unique snail inhabits deep-sea hot vents and possesses scales infused with iron sulfide nanoparticles, including pyrite, giving it a characteristic metallic black sheen. Since the scaly-foot is capable of making iron sulfide nanoparticles in its natural habitat at a relatively low temperature (∼15 °C) and in a chemically dynamic vent environment, elucidating its biomineralization pathways is expected to have significant industrial applications for the production of metal chalcogenide nanoparticles. Nevertheless, this biomineralization has remained a mystery for decades since the snail’s discovery, except that it requires the environment to be rich in iron, with a white population lacking in iron sulfide known from a naturally iron-poor locality. Here, we reveal a biologically controlled mineralization mechanism employed by the scaly-foot snail to achieve this nanoparticle biomineralization, through δ34 S measurements and detailed electron-microscopic investigations of both natural scales and scales from the white population artificially incubated in an iron-rich environment. We show that the scaly-foot snail mediates biomineralization in its scales by supplying sulfur through channel-like columns in which reaction with iron ions diffusing inward from the surrounding vent fluid mineralizes iron sulfides.

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4

Li, Yuebin, Lun Ma, Xing Zhang, Alan G. Joly, Zuli Liu, and Wei Chen. "Synthesis and Optical Properties of Sulfide Nanoparticles Prepared in Dimethylsulfoxide." Journal of Nanoscience and Nanotechnology 8, no. 11 (November 1, 2008): 5646–51. http://dx.doi.org/10.1166/jnn.2008.474.

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Many methods have been reported for the formation of sulfide nanoparticles by the reaction of metallic salts with sulfide chemical sources in aqueous solutions or organic solvents. Here, we report the formation of sulfide nanoparticles in dimethylsulfoxide (DMSO) by boiling metallic salts without sulfide sources. The sulfide sources are generated from the boiling of DMSO and react with metallic salts to form sulfide nanoparticles. In this method DMSO functions as a solvent and a sulfide source as well as a stabilizer for the formation of the nanoparticles. The recipe is simple and economical making sulfide nanoparticles formed in this way readily available for many potential applications.

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5

Wu, Kaili, Baochan Yang, Xixi Zhu, Wei Chen, Xiliang Luo, Zhenxue Liu, Xiao Zhang, and Qingyun Liu. "Cobalt and nickel bimetallic sulfide nanoparticles immobilized on montmorillonite demonstrating peroxidase-like activity for H2O2 detection." New Journal of Chemistry 42, no. 23 (2018): 18749–58. http://dx.doi.org/10.1039/c8nj04647f.

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6

Keast, Vicki J. "Atmospheric Corrosion of Silver and Silver Nanoparticles." Corrosion and Materials Degradation 3, no. 2 (May 24, 2022): 221–34. http://dx.doi.org/10.3390/cmd3020013.

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Even though it is a noble metal, silver will corrode in ambient atmospheres, predominantly by reacting with sulfur-containing gases such as hydrogen sulfide (H2S) and carbonyl sulfide (OCS) to form the silver sulfide (Ag2S) acanthite. Other aspects of the environment, such as relative humidity and the presence of oxidizing species, also play a critical role. With the emergence of silver nanoparticles for a range of technological and medical applications, there has been a revival of interest in the corrosion behavior of this important metal. This article reviews the current understanding of the atmospheric corrosion of silver in both the bulk and nanoparticle forms. Gaps in our current understanding and areas for future investigation are identified.

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7

López, Israel, Alejandro Vázquez, and Idalia Gómez. "Electrophoretic Deposition of Cadmium Sulfide Nanoparticles: Electric Field and Particle Size Effects." Key Engineering Materials 507 (March 2012): 95–99. http://dx.doi.org/10.4028/www.scientific.net/kem.507.95.

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The present work shows the electric field and particle size effects on the formation of nanostructured arrays by electrophoretic deposition of cadmium sulfide (CdS) nanoparticles. The CdS nanoparticles with mean diameter below 6 nm were prepared by a microwave assisted synthesis. These nanoparticles were aged for one and two weeks at room temperature in order to produce nanoparticle agglomeration. The CdS nanoparticles were deposited on aluminum plates, with 1 cm of distance between them, using a constant applied voltage of 600 and 900 mV for 1 min. The nanostructures formed using CdS nanoparticles freshly prepared under 900 mV show spherical morphology. Under a voltage of 600 mV, nanostructures with elongated morphology were obtained.

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8

Sharma, Vanita, and P. Jeevanandam. "Synthesis of Copper Sulfide Nanoparticles by Thermal Decomposition Approach and Morphology Dependent Peroxidase-Like Activity." Journal of Nanoscience and Nanotechnology 20, no. 5 (May 1, 2020): 2763–80. http://dx.doi.org/10.1166/jnn.2020.17432.

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Copper sulfide nanoparticles have been employed as artificial mimics for peroxidase-like activity. In the present study, copper sulfide nanoparticles with four different morphologies have been synthesized by thermal decomposition of cyclo-tri-μ-thioacetamide-tris(chlorocopper(I)) complex ([Cu3TAA3Cl3]) at 200 °C in different solvents such as diphenyl ether, ethylene glycol, 1-octadecene and also without any solvent. Hierarchical copper sulfide nanostructures are formed when the complex is decomposed in the absence of solvent, in diphenyl ether, and 1-octadecene while in the case of ethylene glycol, randomly agglomerated nanoparticles are formed. The precursor complex ([Cu3TAA3Cl3]) as well as copper sulfide nanoparticles were characterized using an array of techniques and after characterization, the peroxidase-like activity of copper sulfide nanoparticles was investigated.Morphologically different copper sulfide nanoparticles possess different exposed facets and due to this, the peroxidase-like activity was different among different morphologies.

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9

Kumar, Manvendra, Parasmani Rajput, P. K. Singh, A. C. Yadav, S. A. Khan, S. N. Jha, Fouran Singh, and A. C. Pandey. "Europium activated gadolinium sulfide nanoparticles." RSC Advances 6, no. 110 (2016): 108523–29. http://dx.doi.org/10.1039/c6ra17413b.

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10

Dooley, Chad J., Jessica Rouge, Nan Ma, Michael Invernale, and Shana O. Kelley. "Nucleotide-stabilized cadmium sulfide nanoparticles." Journal of Materials Chemistry 17, no. 17 (2007): 1687. http://dx.doi.org/10.1039/b616306h.

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11

Upadhyay, Mukesh, Ashok Kumar Thakur, and Mohan Daimary. "Synthesis and Chraracterization of Tin Sulfide Nanoparticles." Science & Technology Journal 7, no. 2 (July 1, 2019): 102–4. http://dx.doi.org/10.22232/stj.2019.07.02.13.

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In my present paper, Tin sulfide nanoparticles were successfully synthesized using wet chemical process and studied their structural properties. The prepared nanoparticles were characterized by X-Ray diffraction (XRD) and Raman spectroscopy. The XRD confirms the Tin Sulfide nanoparticles possessing orthorhombic structure having particle size is approx. 12.72 nm. The Raman spectrum shows the frequency of the phonon in these nanoparticles and the Raman modes of Tin Sulfide nanoparticles were found to shifts towards lower wave number side.

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12

Soflaei, Saied, Abdolhossein Dalimi, Fatemeh Ghaffarifar, Mojtaba Shakibaie, Ahmad Reza Shahverdi, and Mohsen Shafiepour. "In VitroAntiparasitic and Apoptotic Effects of Antimony Sulfide Nanoparticles onLeishmania infantum." Journal of Parasitology Research 2012 (2012): 1–7. http://dx.doi.org/10.1155/2012/756568.

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Visceral leishmaniasis is one of the most important sever diseases in tropical and subtropical countries. In the present study the effects of antimony sulfide nanoparticles onLeishmania infantum in vitrowere evaluated. Antimony sulfide NPs (Sb2S5) were synthesized by biological method fromSerratia marcescensbacteria. Then the cytotoxicity effects of different concentrations (5, 10, 25, 50, and 100 μg/mL) of this nanoparticle were assessed on promastigote and amastigote stages ofL. infantum. MTT method was used for verification results of promastigote assay. Finally, the percentages of apoptotic, necrotic, and viable cells were determined by flow cytometry. The results indicated the positive effectiveness of antimony sulfide NPs on proliferation of promastigote form. The IC50(50% inhibitory concentration) of antimony sulfide NPs on promastigotes was calculated 50 μg/mL. The cytotoxicity effect was dose-dependent means by increasing the concentration of antimony sulfide NPs, the cytotoxicity curve was raised and the viability curve of the parasite dropped simultaneously. Moreover, the IC50of antimony sulfide NPs on amastigote stage was calculated 25 μg/mL. On the other hand, however, antimony sulfide NPs have a low cytotoxicity effect on uninfected macrophages but it can induce apoptosis in promastigote stage at 3 of 4 concentrations.

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13

Othman, Razhan S., Rebaz A. Omar, Karzan A. Omar, Aqeel I. Gheni, Rekar Q. Ahmad, Sheyma M. Salih, and Avan N. Hassan. "Synthesis of Zinc Sulfide Nanoparticles by Chemical Coprecipitation Method and its Bactericidal Activity Application." Polytechnic Journal 9, no. 2 (December 1, 2019): 156–60. http://dx.doi.org/10.25156/ptj.v9n2y2019.pp156-160.

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A particle of zinc sulfide (ZnS) was synthesized by the chemical coprecipitation method using zinc sulfate heptahydrate (ZnSO4), ammonium sulfate (NH4)2SO4 as a reactant, and thiourea as a stabilizer and capping agent. The optioned product characterized by electron dispersive X-ray spectroscopy that exhibits the presence of Zn and S elements. The average particle size of the ZnS nanoparticles determined using X-ray diffraction is about 4.9 nm. The ultraviolet–visible spectroscopy showed the blue shift in wavelength and the band gap was 4.33 eV, the surface morphology of the synthesized ZnS nanoparticles powder was studied by scan electron microscopy which was showed the irregular and some spherical shapes of ZnS in a nanosized range. The Fourier-transform infrared spectroscopy observed an absorption peck at 657.73 and 613.36 cm−1 that were assigned to the stretching mods of the Zn-S band. The different amounts of ZnS nanoparticle were applied as bactericidal against Staphylococcus aureus by disk diffusion method. It displayed activity against S. aureus bacteria, which was carried out in the absence of irradiation.

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14

Volskyi, R., T. Bulavinets, and I. Yaremchuk. "SIZE EFFECT IN PLASMON RESONANCE OF GOLD-COPPER SULFIDE CORE-SHELL NANOPARTICLES." Information and communication technologies, electronic engineering 2, no. 2 (December 2022): 133–40. http://dx.doi.org/10.23939/ictee2022.02.133.

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This paper studies the nature of changes in extinction spectra when changing the core/shell size ratio in spherical and ellipsoidal (prolate and oblate) gold-copper sulfide (Au-CuS) core-shell nanoparticles. The obtained results are analyzed to establish the regularity of changes in the nanoshells extinction spectra, which can be used to develop devices based on them for different applications. The plasmon properties of spherical and ellipsoidal Au -CuS nanoparticles with different sizes were determined. It is established that the intensity of the extinction cross-section of spherical nanoshells strongly depends on the ratio between the thickness of the core and the shell. It is possible to configure the plasmon properties of oblate and prolate ellipsoidal core-shell nanoparticles by changing the core and shell thickness in both directions. Thus, the results of the study suggest that Au-CuS nanoparticles can be used as potential elements of various sensitive sensors.

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15

Vázquez, Alejandro, Israel López, and Idalia Gómez. "Cadmium Sulfide and Zinc Sulfide Nanostructures Formed by Electrophoretic Deposition." Key Engineering Materials 507 (March 2012): 101–5. http://dx.doi.org/10.4028/www.scientific.net/kem.507.101.

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Cadmium sulfide (CdS) and zinc sulfide (ZnS) nanostructures were formed by means of electrophoretic deposition of nanoparticles with mean diameter of 6 nm and 20 nm, respectively. Nanoparticles were prepared by a microwave assisted synthesis in aqueous dispersion and electrophoretically deposited on aluminum plates. CdS thin films and ZnS one-dimensional nanostructures were grown on the negative electrodes after 24 hours of electrophoretic deposition at direct current voltage. CdS and ZnS nanostructures were characterized by means of scanning electron (SEM) and atomic force (AFM) microscopies analysis. CdS thin films homogeneity can be tunable varying the strength of the applied electric field. Deposition at low electric field produces thin films with particles aggregates, whereas deposition at relative high electric field produces smoothed thin films. The one-dimensional nanostructure size can be also controlled by the electric field strength. Two different mechanisms are considered in order to describe the formation of the nanostructures: lyosphere distortion and thinning and subsequent dipole-dipole interactions phenomena are proposed as a possible mechanism of the one-dimensional nanostructures, and a mechanism considering pre-deposition interactions of the CdS nanoparticles is proposed for the CdS thin films formation.

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16

Oluwalana, Abimbola E., and Peter A. Ajibade. "Preparation and morphological studies of tin sulfide nanoparticles and use as efficient photocatalysts for the degradation of rhodamine B and phenol." Nanotechnology Reviews 11, no. 1 (January 1, 2022): 883–96. http://dx.doi.org/10.1515/ntrev-2022-0054.

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Abstract Tin sulfide nanoparticles were prepared from tin(ii) dithiocarbamate complexes: bis(benzylmethyl dithiocarbamate)tin(ii) (SnS1), bis(dibenzyl dithiocarbamato)tin(ii) (SnS2), and bis(imidazolyldithiocarbamato)tin(ii) (SnS3) single-source precursors. Powder X-ray diffraction patterns of the as-prepared tin sulfide nanoparticles confirmed orthorhombic crystalline phase irrespective of the tin(ii) dithiocarbamate precursors used to prepare the tin sulfide nanoparticles. Transmission electron microscopic images showed SnS nanoparticles with average particle size of 1.35 ± 0.04 nm for SnS1, 2.63 ± 0.65 nm for SnS2, and 1.55 ± 0.15 nm for SnS3. The energy bandgap of the SnS nanoparticles obtained from Tauc plots are in the range 3.80–4.37 eV. The as-prepared SnS nanoparticles were used as photocatalysts for the degradation of rhodamine B with efficiency of 90.97, 61.53, and 80.26% for SnS1, SnS2, and SnS3, respectively, while for phenol degradation efficiency was 96.45, 75.13, and 90.69% after 180 min. The results indicate that the as-prepared SnS nanoparticle are efficient photocatalyst for rhodamine B and phenol degradation. The photocatalytic degradation of rhodamine B and phenol follows pseudo-first-order reaction kinetics model from which the photodegradation rate could be obtained. Scavenger studies show that electrons (e−), hydroxy radicals (˙OH), and holes (h+) play significant role in the photodegradation of rhodamine B and phenol by the SnS nanoparticles. Recyclability studies show the SnS photocatalyst could be reused for four cycles without losing its photodegradation ability.

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17

Saldanha, Pearl L., Rosaria Brescia, Mirko Prato, Hongbo Li, Mauro Povia, Liberato Manna, and Vladimir Lesnyak. "Generalized One-Pot Synthesis of Copper Sulfide, Selenide-Sulfide, and Telluride-Sulfide Nanoparticles." Chemistry of Materials 26, no. 3 (January 16, 2014): 1442–49. http://dx.doi.org/10.1021/cm4035598.

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18

Hamanaka, Yasushi, Tatsunori Hirose, Kaoru Yamada, Kazuki Miyagawa, and Toshihiro Kuzuya. "Plasmonic Optical Nonlinearities of Copper Sulfide Nanoparticles." MRS Advances 3, no. 14 (2018): 741–46. http://dx.doi.org/10.1557/adv.2018.91.

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ABSTRACTSpherical Cu2-xS nanoparticles with an average diameter of 4.6 nm were synthesized by a colloidal method, and their optical nonlinearities around localized surface plasmon resonance in the near-infrared region were investigated. Resonant enhancement of nonlinear absorption, which is similar to that in the case of the noble metal nanoparticles in the visible region, was observed. The nonlinear absorption coefficients of the Cu2-xS nanoparticles were smaller as compared with those of Au nanoparticles with the same dimensions and concentrations. Theoretical simulation of electric field distributions around individual nanoparticles suggested that the free carrier concentration in Cu2-xS nanoparticles was one order of magnitude smaller than that in Au nanoparticles, which led to a weaker local electric field and weaker optical nonlinearity.

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19

Hosseini, Mohammad Raouf, Mahin Schaffie, Mohammad Pazouki, Majid Lotfalian, Axel Schippers, and Mohammad Ranjbar. "Biogenesis of Nanoparticles with Potential Applications as Semiconductor from Chalcopyrite Concentrate." Advanced Materials Research 825 (October 2013): 92–95. http://dx.doi.org/10.4028/www.scientific.net/amr.825.92.

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Nanostructure forms of semiconductor materials are of great interest. Among these compounds, copper sulfide as a variable stoichiometric composition attracts considerable attention. In the present study, copper sulfide nanoparticles were synthesized biologically from a chalcopyrite concentratemainly containing chalcopyrite (46%) and pyrite (23%). Firstly, the copper contents of the concentrate were bioleached using thermophile bacteria, then the grownFusarium oxysporumwas added to the prepared solution and the biosynthesized nanoparticles collected and their characteristics compared with the product derived from the pure copper sulfate solution. The characterization was performed by UV spectrometry, Fourier Transform Infrared Spectroscopy (FTIR), Energy Dispersive X-ray Spectroscopy (EDS), Thermogravimetery (TG), Differential Scanning Calorimetery (DSC), Mass Spectrometery (MS), and Transmission Electron Microscopy (TEM). Finally, it wasproved that the produced nanoparticles had a covellite composition and their size was about 5-40 nm.

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20

Saruyama, Masaki, Masayuki Kanehara, and Toshiharu Teranishi. "CdPd sulfide heterostructured nanoparticles with metal sulfide seed-dependent morphologies." Chemical Communications, no. 19 (2009): 2724. http://dx.doi.org/10.1039/b902189b.

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21

Rose, Moly M., R. Sheela Christy, T. Asenath Benitta, and J. Thampi Thanka Kumaran. "Phase transitions in cadmium sulfide nanoparticles." AIP Advances 11, no. 8 (August 1, 2021): 085129. http://dx.doi.org/10.1063/5.0052078.

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22

Debabov, V. G., T. A. Voeikova, A. S. Shebanova, K. V. Shaitan, L. K. Emel’yanova, L. M. Novikova, and M. P. Kirpichnikov. "Bacterial synthesis of silver sulfide nanoparticles." Nanotechnologies in Russia 8, no. 3-4 (March 2013): 269–76. http://dx.doi.org/10.1134/s1995078013020043.

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23

Han, Bo, William H. Fang, Shuqing Zhao, Zhi Yang, and Ba X. Hoang. "Zinc sulfide nanoparticles improve skin regeneration." Nanomedicine: Nanotechnology, Biology and Medicine 29 (October 2020): 102263. http://dx.doi.org/10.1016/j.nano.2020.102263.

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24

Barik, Rasmita, Nishu Devi, Venkata K. Perla, Sarit K. Ghosh, and Kaushik Mallick. "Stannous sulfide nanoparticles for supercapacitor application." Applied Surface Science 472 (April 2019): 112–17. http://dx.doi.org/10.1016/j.apsusc.2018.03.172.

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25

Hamaguchi, Sayako, Takuma Yamamoto, and Masakazu Kobayashi. "Synthesis of Ternary Compound Sulfide Nanoparticles." Japanese Journal of Applied Physics 48, no. 4 (April 20, 2009): 04C131. http://dx.doi.org/10.1143/jjap.48.04c131.

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26

Frenzel, Johannes, Jan-Ole Joswig, and Gotthard Seifert. "Optical Excitations in Cadmium Sulfide Nanoparticles." Journal of Physical Chemistry C 111, no. 29 (July 2007): 10761–70. http://dx.doi.org/10.1021/jp071125u.

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27

Egorov, N. B., L. P. Eremin, A. M. Larionov, V. F. Usov, and I. P. Fiterer. "Photochemical synthesis of cadmium sulfide nanoparticles." Russian Chemical Bulletin 57, no. 12 (December 2008): 2483–86. http://dx.doi.org/10.1007/s11172-008-0357-4.

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28

Vorokh, A. S., and A. A. Rempel. "Atomic structure of cadmium sulfide nanoparticles." Physics of the Solid State 49, no. 1 (January 2007): 148–53. http://dx.doi.org/10.1134/s1063783407010246.

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29

Fotouhi, Lida, and Maral Rezaei. "Electrochemical synthesis of copper sulfide nanoparticles." Microchimica Acta 167, no. 3-4 (November 7, 2009): 247–51. http://dx.doi.org/10.1007/s00604-009-0234-3.

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30

Teranishi, Toshiharu, Masaki Saruyama, Masafumi Nakaya, and Masayuki Kanehara. "Anisotropically Phase-Segregated Pd–Co–Pd Sulfide Nanoparticles Formed by Fusing Two Co–Pd Sulfide Nanoparticles." Angewandte Chemie 119, no. 10 (February 26, 2007): 1743–45. http://dx.doi.org/10.1002/ange.200603865.

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Teranishi, Toshiharu, Masaki Saruyama, Masafumi Nakaya, and Masayuki Kanehara. "Anisotropically Phase-Segregated Pd–Co–Pd Sulfide Nanoparticles Formed by Fusing Two Co–Pd Sulfide Nanoparticles." Angewandte Chemie International Edition 46, no. 10 (February 26, 2007): 1713–15. http://dx.doi.org/10.1002/anie.200603865.

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32

Hu, Kun Hong, Xian Guo Hu, Xiao Jun Sun, He Feng Jing, and Song Zhan. "Synthesis and Characterization of Nanosize Molybdenum Disulfide Particles by Quick Homogeneous Precipitation Method." Key Engineering Materials 353-358 (September 2007): 2107–10. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.2107.

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Molybdenum sulfide nanoparticles were prepared via quick homogeneous precipitation method (QHPM) by the reaction between Na2MoO4 and CH3CSNH2 in the presence of sulfuric acid at 80 oC. The as-synthesized molybdenum sulfide particles were studied by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), and high-resolution transmission electron microscopy (HRTEM). The results showed that the as-synthesized molybdenum sulfide was amorphous MoS3 nanoparticles with an average size of 40 nm. The resultant amorphous MoS3 nanoparticles were then calcined under hydrogen gas flow at a selected temperature for 50 minutes. The results of XRD, TEM, and HRTEM confirmed that the MoS2 nanoparticles with about 40 nm were prepared from the amorphous MoS3 nanoparticles at 780 oC.

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33

Садовников, С. И., and А. И. Гусев. "Влияние температуры на размер частиц и рекристаллизацию нанопорошков сульфида серебра." Физика твердого тела 60, no. 7 (2018): 1303. http://dx.doi.org/10.21883/ftt.2018.07.46113.341.

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AbstractThe recrystallization of silver sulfide Ag_2S nanoparticles has been studied and the range of the thermal stability of the nanoparticle sizes has been determined. Nanopowders Ag_2S with particle sizes of 45–50 nm were obtained by chemical deposition from aqueous solutions. To study the thermal stability of the Ag_2S nanoparticle sizes, the nanocrystalline powders have been annealed in a vacuum of 0.01 Pa on heating from room temperature to 493 K and in argon at 623 K. Annealing up to a temperature of 453 K leads to insignificant nanoparticle growth and annealing of microstrains, which allows one to consider this temperature range as the region of thermal stability of the silver sulfide nanostate. The temperature range from 450 to 900 K, in which the particle size increases by a factor of 3–6, corresponds to the temperature of collective recrystallization of the silver sulfide nanopowder.

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Ye, Wen Xiang, Quan Xin Zhu, Wan Qing Xiong, Jian Lei, and Xue Hong Liao. "Microwave Hydrothermal Synthesis of W-Doped CuS Nanoparticle." Advanced Materials Research 906 (April 2014): 196–99. http://dx.doi.org/10.4028/www.scientific.net/amr.906.196.

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The CuS nanoparticles precursor have been synthesized by microwave irradiation, using copper nitrate and thioacetamide (TAA) as raw materials, dodecyl sodium sulfate as surfactants. After the precursor had being split with n-butyl lithium for 14 days, we synthesized w-doped copper sulfide nanoparticles with microwave hydrothermal method. The samples were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM) and fluorescence spectra.

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35

Choi, O. K., and Z. Q. Hu. "Nitrification inhibition by silver nanoparticles." Water Science and Technology 59, no. 9 (May 1, 2009): 1699–702. http://dx.doi.org/10.2166/wst.2009.205.

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Nitrification inhibition by silver nanoparticles (nanosilver) was evaluated by extant respirometry using enriched nitrifying bacteria isolated from wastewater treatment plants. Silver nanoparticles were more toxic than silver ions or silver chloride colloids, all of which did not disrupt cell membrane integrity at 1 mg/L Ag. The toxicity of silver nanoparticles was reduced in the presence of various anions, especially sulfide. The results suggest that silver nanoparticles have the same behaviour of surface complexation as silver ions, and inhibition by nanosilver in wastewater treatment may be removed by reaction of silver nanoparticles with soluble sulfide species.

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36

Himstedt, Rasmus, Dominik Hinrichs, and Dirk Dorfs. "Extinction Coefficient of Plasmonic Nickel Sulfide Nanocrystals and Gold-Nickel Sulfide Core-Shell Nanoparticles." Zeitschrift für Physikalische Chemie 233, no. 1 (December 19, 2018): 3–14. http://dx.doi.org/10.1515/zpch-2018-1165.

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Abstract In the presented work, the molar extinction coefficient of plasmonic heazlewoodite (Ni3S2) nanoparticles and Au-Ni3S2 core-shell nanoparticles is determined for the first time. The results are compared to analogously determined extinction coefficients of pure Au nanocrystals (NCs), which themselves correlate very well with existing literature on the subject. The measured extinction coefficients at the localized surface plasmon resonance (LSPR) maximum wavelength of nickel sulfide particles are similar to the values of equally sized Au NCs. Therefore, considering the lower cost of the heazlewoodite material, it could be a reasonable alternative for optical applications of nanoparticles showing a LSPR in the visible regime of the electromagnetic spectrum. Furthermore, this study shows, that by growing a Ni3S2 shell onto a pure Au nanocrystal a highly tuneable optical material with variable LSPR frequency and molar extinction coefficient is obtained.

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Roussel, Jimmy, A. J. Murray, John Rolley, D. Barrie Johnson, and L. E. Macaskie. "Biosynthesis of Zinc Sulfide Quantum Dots Using Waste Off-Gas from Metal Bioremediation Process." Advanced Materials Research 1130 (November 2015): 555–59. http://dx.doi.org/10.4028/www.scientific.net/amr.1130.555.

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Dissimilatory reduction of sulfate, mediated by various species of sulfate-reducing bacteria (SRB), can be used to remediate acid mine drainage (AMD). Hydrogen sulfide (H2S/HS-) generated by SRB can be used to remove toxic metals from AMD as sulfide biominerals. For this, SRB are usually housed in separate reactor vessels to those where metal sulfides are generated; H2S is delivered to AMD-containing vessels in solution or as a gas. This allows more controlled separation of metal precipitation and facilitates enhanced process control. Industries such as optoelectronics use quantum dots (QDs) in, for example, light emitting diodes and solar photovoltaics. QDs are nanocrystals with semiconductor bands that allow them to absorb light and re-emit it intensely at specific wavelength couples. Small nanoparticles have the possibility to get electrons shifted to a higher energy and then emit light during the relaxation phase. The QD elemental composition and the presence of doping agent determines its electronic band gaps and can be used to tune the QD to desired emission wavelengths. Traditional QD production at scale is costly and/or complex. Waste H2S gas from growth of SRB has been used to make zinc sulfide QDs which are indistinguishable from ’classically’ prepared counterparts with respect to their physical and optical properties. Clean recycling of minewater bioremediation process waste gas into high value QD product is described.

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Kohl, M., J. Brückner, I. Bauer, H. Althues, and S. Kaskel. "Synthesis of highly electrochemically active Li2S nanoparticles for lithium–sulfur-batteries." Journal of Materials Chemistry A 3, no. 31 (2015): 16307–12. http://dx.doi.org/10.1039/c5ta04504e.

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Carbothermal reduction of lithium sulfate below its melting point was used to produce sub-micron sized lithium sulfide particles which retain the morphology of the source particle and achieve high discharge capacities up to 1360 mA h g_sulfur⁻¹.

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Astuti, L., R. P. Dewi, A. Nurdiana, R. Ragadhita, and A. B D Nandiyanto. "Techno-economic Analysis on the Production of Zinc Sulfide Nanoparticles by Precipitation Assisted Ultrasonic Radiation Method." International Journal of Research and Applied Technology 1, no. 1 (June 25, 2021): 173–86. http://dx.doi.org/10.34010/injuratech.v1i1.5666.

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Zinc sulfide is a material that has many uses in various fields. Zinc sulfide is deriving from the mineral sphalerite. The purpose of this study was to evaluate the feasibility of producing zinc sulfide from zinc acetate and sodium sulfide using the precipitation-assisted ultrasonic radiation method. This method is the most efficient method for the synthesis of zinc sulfide nanoparticles, because it does not take much time and the resulting product is high. The evaluation was done from the engineering and economic perspectives. The feasibility analysis method from the engineering perspective was done by designing the initial production design on a large scale, whereas the analysis from an economic perspective was done by calculating various economic parameters, that is Gross Profit Margin, Cumulative Net Present Value, Internal Rate Return, Payback Period, Break Event Point, and Profitability Index. The engineering perspective showed that the production of zinc sulfide nanoparticles can be done on a large scale due to the commercial availability of materials and tools. Based on the economic evaluation, the production of zinc sulfide nanoparticles by precipitation-assisted ultrasonic method is ideal for an industrial scale. Earned increased profits over 20 years, the payback on investment costs lasted only two years. We hope that this study can provide references to readers, industry, and researchers regarding the feasibility analysis of the production of zinc sulfide nanoparticles using the precipitation-assisted ultrasonic radiation method

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40

Kokina, Inese, Inese Jahundoviča, Ilona Mickeviča, Eriks Sledevskis, Andrejs Ogurcovs, Boris Polyakov, Marija Jermaļonoka, Jānis Strautiņš, and Vjaceslavs Gerbreders. "The Impact of CdS Nanoparticles on Ploidy and DNA Damage of Rucola (Eruca sativaMill.) Plants." Journal of Nanomaterials 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/470250.

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The genotoxic effect of cadmium sulfide nanoparticles (CdS NPs) of different sizes in rucola (Eruca sativaMill.) plants was assessed. It was confirmed that nanoparticles < 5 nm in size were more toxic than larger particles at an identical mass concentration. Significant differences in cell ploidy, as well as in the mitotic index, were detected between control and treated samples. Differences in the DNA banding pattern between control samples and samples after treatment with cadmium sulfide nanoparticles were significant and detected at different places as the appearance or elimination of DNA fragments. Fluorescence images showed that cadmium sulfide nanoparticles smaller than 5 nm in size can diffuse through the membrane and their presence affects the genetic system of the plant.

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Tsepina, Natalia, Sergey Kolesnikov, Tatyana Minnikova, Alena Timoshenko, and Kamil Kazeev. "Assessment of the ecotoxicity of silver chemical compounds by indicators of phytotoxicity of ordinary chernozem." АгроЭкоИнфо 5, no. 53 (October 30, 2022): 35. http://dx.doi.org/10.51419/202125535.

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The study assessed the ecotoxicity of various chemical compounds of silver (nitrate, oxide, sulfide, nanoparticles) by indicators of phytotoxicity of ordinary chernozem. The effect of nitrate, oxide, sulfide and silver nanoparticles in concentrations of 0.5; 1; 5; 10; 50 and 100 mg/kg of ordinary chernozem on the germination and length of radish roots 30 days after contamination was evaluated. In most cases, a negative effect of silver chemical compounds on phytotoxic indicators of ordinary chernozem was noted. The degree of ecotoxicity of silver is affected by its concentration in the soil. Silver nitrate, which is highly soluble in water and provides greater mobility of silver in the soil in the form of Ag2+, has a somewhat greater ecotoxicity. Practically insoluble in water forms showed slightly less negative impact. According to the germination of radish, a number of toxicity of chemical compounds (% of control) has been compiled: nitrate (84) > sulfide (87) > oxide (88) > nanoparticles (91); according to the length of the radish roots, a number of toxicity of chemical compounds of silver (% of the control) has been compiled: nitrate (90) > oxide (95) ≥ nanoparticles (95) ≥ sulfide (95). Keywords: SOIL, NITRATE, OXIDE, SULFIDE, NANOPARTICLES, GERMINATION, ROOT LENGTH, CONTAMINATION

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42

Kamenetsky, Vadim S., and Michael Zelenski. "Origin of noble-metal nuggets in sulfide-saturated arc magmas: A case study of olivine-hosted sulfide melt inclusions from the Tolbachik volcano (Kamchatka, Russia)." Geology 48, no. 6 (April 13, 2020): 620–24. http://dx.doi.org/10.1130/g47086.1.

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Abstract Minerals that contain platinum-group elements (PGEs) and occur in some magmatic Cu-Ni sulfide deposits have been ascribed to crystallization from an originally PGE-rich sulfide liquid. The occurrence of PGE-bearing minerals (PGMs) in some sulfide-undersaturated primitive melts has been envisaged and recently reported, whereas direct crystallization of PGMs in sulfide-saturated silicate magmas is seemingly hindered by strong partitioning of PGE into immiscible sulfide melts. In this study, we discovered abundant nanoparticles containing noble metals in association with sulfide melt inclusions entrapped inside primitive olivine phenocrysts (Fo85–92) from the recent basaltic magma of the Tolbachik volcano (Kamchatka arc, Russia). These nuggets occur in swarms on the surface of the sulfide globules and are represented by native metals, sulfides, and alloys of Pd, Pt, Au, Pb, and Bi. The nuggets on different globules can be either Pd- or Pt-rich nuggets, and the compositions are highly variable, even among adjacent nuggets. We argue that the diffusive supply of Pd from the external nuggets can be responsible for significant uptake of Pd (up to 2 wt%) in the sulfide melt. We consider direct crystallization of PGMs in a primitive basaltic melt undergoing sulfide unmixing, and possibly sulfide breakdown due to oxidation, as another mechanism additional to their “classic” origin from the PGE-rich sulfide melt in response to solidification.

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Sandoval Cárdenas, Diana Issell, Marlenne Gomez-Ramirez, Norma G. Rojas-Avelizapa, and Mónica Araceli Vidales-Hurtado. "Synthesis of Cadmium Sulfide Nanoparticles by Biomass of Fusarium oxysporum f. sp. lycopersici ." Journal of Nano Research 46 (March 2017): 179–91. http://dx.doi.org/10.4028/www.scientific.net/jnanor.46.179.

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This study describes extracellular biosynthesis of cadmium sulfide quantum dots by Fusarium oxysporum f. sp. lycopersici. Mycelia was incubated with a cadmium sulfate solution at 30°C and after 12 days the mixture became yellow, then the biomass was discarded through paper filtration. The filtrate containing extracellular cadmium sulfide quantum dots displayed increased UV-Vis absorption from 300 - 500 nm and fluorescence at 520 nm which was not shown when incubated without cadmium sulfide, thus indicating the presence of biologically synthesized quantum dots. Transmission electron microscope analysis of biologically synthesized quantum dots evinced individual 2 - 6 nm diameter circular nanoparticles of uniform size. Energy dispersive spectroscopy confirmed the presence of S and Cd. Additionally, this study showed the relevance in the use of positive and negative controls when evaluating the biosynthesis of CdS quantum dots using UV-Vis and fluorescence spectrophotometry.

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Hoisang, Watcharaporn, Taro Uematsu, Takahisa Yamamoto, Tsukasa Torimoto, and Susumu Kuwabata. "Core Nanoparticle Engineering for Narrower and More Intense Band-Edge Emission from AgInS2/GaSx Core/Shell Quantum Dots." Nanomaterials 9, no. 12 (December 11, 2019): 1763. http://dx.doi.org/10.3390/nano9121763.

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Highly luminescent silver indium sulfide (AgInS2) nanoparticles were synthesized by dropwise injection of a sulfur precursor solution into a cationic metal precursor solution. The two-step reaction including the formation of silver sulfide (Ag2S) nanoparticles as an intermediate and their conversion to AgInS2 nanoparticles, occurred during the dropwise injection. The crystal structure of the AgInS2 nanoparticles differed according to the temperature of the metal precursor solution. Specifically, the tetragonal crystal phase was obtained at 140 °C, and the orthorhombic crystal phase was obtained at 180 °C. Furthermore, when the AgInS2 nanoparticles were coated with a gallium sulfide (GaSx) shell, the nanoparticles with both crystal phases emitted a spectrally narrow luminescence, which originated from the band-edge transition of AgInS2. Tetragonal AgInS2 exhibited narrower band-edge emission (full width at half maximum, FWHM = 32.2 nm) and higher photoluminescence (PL) quantum yield (QY) (49.2%) than those of the orthorhombic AgInS2 nanoparticles (FWHM = 37.8 nm, QY = 33.3%). Additional surface passivation by alkylphosphine resulted in higher PL QY (72.3%) with a narrow spectral shape.

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45

Zhou, H. S., I. Honma, H. Komiyama, and Joseph W. Haus. "Coated semiconductor nanoparticles; the cadmium sulfide/lead sulfide system's synthesis and properties." Journal of Physical Chemistry 97, no. 4 (January 1993): 895–901. http://dx.doi.org/10.1021/j100106a015.

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46

Dutta, D. P., G. Sharma, A. K. Tyagi, and S. K. Kulshreshtha. "Gallium sulfide and indium sulfide nanoparticles from complex precursors: Synthesis and characterization." Materials Science and Engineering: B 138, no. 1 (March 2007): 60–64. http://dx.doi.org/10.1016/j.mseb.2007.01.017.

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Khaorapapong, Nithima, Areeporn Ontam, and Makoto Ogawa. "Very slow formation of copper sulfide and cobalt sulfide nanoparticles in montmorillonite." Applied Clay Science 51, no. 1-2 (January 2011): 182–86. http://dx.doi.org/10.1016/j.clay.2010.10.030.

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48

RAMASAMY, KARTHIK, WEERAKANYA MANEEPRAKORN, NASIR IQBAL, MOHAMMAD AZAD MALIK, and PAUL O'BRIEN. "COBALT(II)/NICKEL(II) COMPLEXES OF DITHIOACETYLACETONE [M(SacSac)2](M = Co, Ni) AS SINGLE SOURCE PRECURSORS FOR COBALT/NICKEL SULFIDE NANOSTRUCTURES." International Journal of Nanoscience 10, no. 04n05 (August 2011): 815–22. http://dx.doi.org/10.1142/s0219581x11009234.

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Cobalt(II)/Nickel(II) complexes of 4-thiopent-3-ene-2-thione (SacSac), [ M(SacSac) 2]( M = Co, Ni ) have been used as single source precursors (SSPs) for the preparation of cobalt/nickel sulfide thin films by aerosol-assisted chemical vapor deposition (AACVD). Cobalt or nickel sulfide nanoparticles were grown by thermal decomposition of the precursor in hot trioctylphosphine oxide (TOPO) or hexadecylamine (HDA). XRD analysis showed that all samples of cobalt or nickel sulfide are of the sulfur deficient phases ( Ni9S8, Co9S8, Ni7S6 , or Ni3S2 ). SEM and TEM analysis showed that nickel sulfide formed nanowires, nanorods and spheres; cobalt sulfide formed plate like structures and spheres. The chemical compositions of the nanoparticles can be controlled by varying temperature or the capping agents.

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Ivantsov, Ruslan D., Irina S. Edelman, Andrey A. Dubrovsky, Sergey M. Zharkov, Dmitry P. Velikanov, Chun-Rong Lin, Yaw-Teng Tseng, and Kun-Yauh Shih. "Iron Sulfide Nanoparticles: Preparation, Structure, Magnetic Properties." Journal of Siberian Federal University. Mathematics & Physics 10, no. 2 (June 2017): 244–47. http://dx.doi.org/10.17516/1997-1397-2017-10-2-244-247.

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Kalasad, M. N., M. K. Rabinal, B. G. Mulimani, and G. S. Avadhani. "Temporal evolution of capped cadmium sulfide nanoparticles." Semiconductor Science and Technology 23, no. 4 (March 3, 2008): 045009. http://dx.doi.org/10.1088/0268-1242/23/4/045009.

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