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Artículos de revistas sobre el tema "MgO nanocubes"

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Autor: Grafiati
Publicado: 6 de septiembre de 2023

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1

Prasanna, APS, Guru Prasad Kuppuswamy, Natarajan Pradeep, Velappa Jayaraman Surya y Yuvaraj Sivalingam. "Enzyme Free Detection of Glucose Using MgO Nanocubes Based Extended Gate N-channel MOSFET". IOP Conference Series: Materials Science and Engineering 1219, n.º 1 (1 de enero de 2022): 012030. http://dx.doi.org/10.1088/1757-899x/1219/1/012030.

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Abstract MgO nanocubes were used as a sensing electrode material for detection of glucose in the extended gate field effect transistor (EGFET) configuration. MgO nanocubes were prepared by thermal CVD approach. Morphology and elemental composition of as-prepared MgO nanocubes were obtained using the scanning electron microscope (SEM) along with EDS. The sensing electrode was prepared by coating MgO nanocubes over the copper foil by doctor blade method and it was tested with various concentrations of glucose in Phosphate Buffer Saline (PBS) buffer solution. The MgO nanocubes coated electrode showed linear response for glucose concentrations from 1.6 mM to 25.6 mM. The sensitivity was calculated as 0.12 |aA/mM.cm2.
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2

Stankic, Slavica, Andreas Sternig, Fabio Finocchi, Johannes Bernardi y Oliver Diwald. "Zinc oxide scaffolds on MgO nanocubes". Nanotechnology 21, n.º 35 (9 de agosto de 2010): 355603. http://dx.doi.org/10.1088/0957-4484/21/35/355603.

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3

Lagos, M. J. y P. E. Batson. "Mapping EELS Vibrational Modes in MgO Nanocubes". Microscopy and Microanalysis 22, S3 (julio de 2016): 954–55. http://dx.doi.org/10.1017/s1431927616005614.

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4

Hintsala, E. D., A. J. Wagner, P. K. Suri, K. A. Mkhoyan y W. W. Gerberich. "In-Situ TEM Compression of MgO Nanocubes". Microscopy and Microanalysis 19, S2 (agosto de 2013): 524–25. http://dx.doi.org/10.1017/s1431927613004613.

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5

Stankic, Slavica, Markus Müller, Oliver Diwald, Martin Sterrer, Erich Knözinger y Johannes Bernardi. "Size-Dependent Optical Properties of MgO Nanocubes". Angewandte Chemie International Edition 44, n.º 31 (5 de agosto de 2005): 4917–20. http://dx.doi.org/10.1002/anie.200500663.

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6

Esmaili, Mohammad Javad, Mohsen Ayubzadeh, Zahra Zakeri y Mehdi Eskandari. "Synthesis and Antifungal Property of Mg Doped Zinc Oxide Nanocubes on the Glass Substrate Using Solution-Evaporation Method at Low Temperature". Advanced Materials Research 829 (noviembre de 2013): 889–93. http://dx.doi.org/10.4028/www.scientific.net/amr.829.889.

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This in this paper, we report the synthesis of Mg doped ZnO nanocubes on the glass substrate by using solution-evaporation method at low temperature for the first time. Samples are characterized by means of scanning electron microscopy (SEM) and X-ray diffraction (XRD). The samples have a pure phase and no characteristic peaks are observed for the other impurities, such as Mg and MgO. It was observed that the length and width of the ZnO nanocubes are about 100nm and morphology of the samples is cube-shape. A blue-shift is observed in the band-edge with introduction of Mg into zinc oxide structure. The anti-fungal results indicate that ZnO nanocubes arrays exhibit stable properties after two months and play an important role in growth inhibitory of Candida albicans.
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7

Paradiso, Daniele y J. Z. Larese. "Solvent Free Deposition of Cu on Nanocubes of MgO". Journal of Physical Chemistry C 124, n.º 27 (8 de junio de 2020): 14564–72. http://dx.doi.org/10.1021/acs.jpcc.0c01790.

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8

Lee, Geun-Hyoung. "Ultrathin MgO Nanosheets Fabricated by Thermal Evaporation Method in Air at Atmospheric Pressure". Korean Journal of Metals and Materials 60, n.º 10 (5 de octubre de 2022): 769–73. http://dx.doi.org/10.3365/kjmm.2022.60.10.769.

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Ultrathin MgO nanosheets were successfully synthesized by thermal evaporation of a mixture of Mg and graphite powders as the source material. The synthesis was performed at 1000 oC in air. Scanning electron microscopy showed that the two-dimensional MgO nanosheets had widths of several micrometers and the thickness of less than 20 nm. X-ray diffraction analysis revealed that the MgO nanosheets had a cubic crystal structure and high purity. Zero-dimensional MgO nanocubes were formed at temperatures below 1000 oC and one-dimensional MgO nanowires were grown at a temperature higher than 1000 oC. As the synthesis temperature increased, the morphology of the Mg nanocrystals changed from cube to sheet and then wire. The experimental results suggested that the difference in Mg vapor concentration could be responsible for the morphological change in the MgO nanocrystals. When Mg vapor concentration was low, MgO nanocrystals were grown with a cubic shape. A relatively high concentration of Mg vapor led to the growth of sheet-like MgO nanocrystals. A very high Mg vapor concentration favored the growth of MgO nanowires. The growth mechanism is discussed based on the Mg vapor concentration and the crystal structures of Mg and MgO. Visible emissions, which were attributed to lattice defects such as oxygen vacancies, were observed in the cathodoluminescence spectra of the MgO nanocrystals.
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9

Sternig, Andreas, Oliver Diwald, Silvia Gross y Peter V. Sushko. "Surface Decoration of MgO Nanocubes with Sulfur Oxides: Experiment and Theory". Journal of Physical Chemistry C 117, n.º 15 (9 de abril de 2013): 7727–35. http://dx.doi.org/10.1021/jp401432j.

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10

Kollhoff, Fabian, Johannes Schneider, Thomas Berger, Oliver Diwald y Jörg Libuda. "Thermally Activated Self-metalation of Carboxy-functionalized Porphyrin Films on MgO Nanocubes". ChemPhysChem 19, n.º 17 (19 de junio de 2018): 2272–80. http://dx.doi.org/10.1002/cphc.201800152.

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11

Sternig, Andreas, Markus Müller, Mark McCallum, Johannes Bernardi y Oliver Diwald. "BaO Clusters on MgO Nanocubes: A Quantitative Analysis of Optical-Powder Properties". Small 6, n.º 4 (22 de febrero de 2010): 582–88. http://dx.doi.org/10.1002/smll.200901662.

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12

Cho, Kyungil y Changhyuk Kim. "Enhanced mineral carbonation at room temperature through MgO nanocubes synthesized by self-combustion". Journal of Environmental Chemical Engineering 9, n.º 5 (octubre de 2021): 105592. http://dx.doi.org/10.1016/j.jece.2021.105592.

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13

Enyashin, Andrey N. y Alexandr L. Ivanovskii. "Structural, thermal properties and stability of monolithic and hollow MgO nanocubes: Atomistic simulation". Journal of Molecular Structure: THEOCHEM 822, n.º 1-3 (noviembre de 2007): 28–32. http://dx.doi.org/10.1016/j.theochem.2007.07.011.

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14

Winterstein, Jonathan P., M. Sezen, A. Rečnik y C. Barry Carter. "Electron microscopy observations of the spinel-forming reaction using MgO nanocubes on Al2O3 substrates". Journal of Materials Science 51, n.º 1 (27 de agosto de 2015): 144–57. http://dx.doi.org/10.1007/s10853-015-9366-5.

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15

Pradeep, Natarajan, Tamil selvi Gopal, Uma Venkatraman, Tahani A. Alrebdi, Saravanan Pandiaraj, Abdullah Alodhayb, Muthumareeswaran Muthuramamoorthy et al. "Effect of substrate bending towards chemiresistive based hydrogen gas sensor using ZnO-decorated MgO nanocubes". Materials Today Chemistry 26 (diciembre de 2022): 101200. http://dx.doi.org/10.1016/j.mtchem.2022.101200.

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16

Glaspell, Garry, Hassan, Ahmed Elzatahry, Lindsay Fuoco, Nagi R. E. Radwan y M. Samy El-Shall. "Nanocatalysis on Tailored Shape Supports: Au and Pd Nanoparticles Supported on MgO Nanocubes and ZnO Nanobelts". Journal of Physical Chemistry B 110, n.º 43 (noviembre de 2006): 21387–93. http://dx.doi.org/10.1021/jp0651034.

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17

Haque, Francia, Fabio Finocchi, Stephane Chenot, Jacques Jupille y Slavica Stankic. "Interplay between Single and Cooperative H2 Adsorption in the Saturation of Defect Sites at MgO Nanocubes". Journal of Physical Chemistry C 122, n.º 31 (18 de julio de 2018): 17738–47. http://dx.doi.org/10.1021/acs.jpcc.8b03192.

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18

Kim, Changhyuk, Peter V. Pikhitsa, Sukbyung Chae, Kyungil Cho y Mansoo Choi. "Light emission induced by electric current at room temperature through the defect networks of MgO nanocubes". AIP Advances 9, n.º 12 (1 de diciembre de 2019): 125305. http://dx.doi.org/10.1063/1.5128026.

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19

Sterrer, Martin, Thomas Berger, Oliver Diwald, Erich Knözinger, Peter V. Sushko y Alexander L. Shluger. "Chemistry at corners and edges: Generation and adsorption of H atoms on the surface of MgO nanocubes". Journal of Chemical Physics 123, n.º 6 (8 de agosto de 2005): 064714. http://dx.doi.org/10.1063/1.1997108.

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20

Senapati, Subrata y Karuna Kar Nanda. "MgO Nanocubes as Self-Calibrating Optical Probes for Efficient Ratiometric Detection of Picric Acid in the Solid State". ACS Sustainable Chemistry & Engineering 6, n.º 11 (12 de septiembre de 2018): 13719–29. http://dx.doi.org/10.1021/acssuschemeng.8b01330.

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21

Mohan, Sweta, Devendra Kumar Singh, Vijay Kumar y Syed Hadi Hasan. "Modelling of fixed bed column containing graphene oxide decorated by MgO nanocubes as adsorbent for Lead(II) removal from water". Journal of Water Process Engineering 17 (junio de 2017): 216–28. http://dx.doi.org/10.1016/j.jwpe.2017.03.009.

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22

Zhao, Bote, Guangming Yang, Ran Ran, Chan Kwak, Doh Won Jung, Hee Jung Park y Zongping Shao. "Facile synthesis of porous MgO–CaO–SnOx nanocubes implanted firmly on in situ formed carbon paper and their lithium storage properties". Journal of Materials Chemistry A 2, n.º 24 (2014): 9126. http://dx.doi.org/10.1039/c4ta00805g.

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23

Zhang, H., M. Malac y RF Egerton. "Electron Irradiation Damage of MgO Nanocube". Microscopy and Microanalysis 16, S2 (julio de 2010): 1794–95. http://dx.doi.org/10.1017/s1431927610054735.

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24

Nilphai, Sanpet, Meechai Thepnurat, Niyom Hongsith, Pipat Ruankham, Surachet Phadungdhitidhada, Atcharawan Gardchareon, Duangmanee Wongratanaphisan y Supab Choopun. "Synthesis and Characterization of MgO by Microwave-Assisted Thermal Oxidation for Dye-Sensitized Solar Cells". Key Engineering Materials 675-676 (enero de 2016): 158–62. http://dx.doi.org/10.4028/www.scientific.net/kem.675-676.158.

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Magnesium oxide (MgO) nanostructures were synthesized by microwave-assisted thermal oxidation at various amount of activated carbon additive. The MgO nanostructures were characterized by scanning electron microscopy (SEM), Transmission electron microscopy (TEM), X-ray diffractrometry (XRD) and UV-Visible spectroscopy, respectivly. It was observed that, the obtained MgO have nanocube shape. The MgO nanostructures were applied as a blocking layer in ZnO dye-sensitized solar cells (DSSC). The photovoltage, photocurrent, and power conversion efficiency characteristics of DSSCs were measured under illumination of simulated sunlight obtained from a solar simulator with the radiant power of 100 mW/cm2. The DSSCs with MgO layer exhibited higher current density, open circuit voltage and photoconversion efficiency than those without MgO layer The optimum power conversion efficiency (PCE) was 2.49 % with short circuit current (Jsc) of 6.61 mA/cm2, the open circuit voltage (Voc) of 0.66 V and the fill factor (FF) of 0.59, respectively.
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25

Schneider, Johannes, Fabian Kollhoff, Johannes Bernardi, Andre Kaftan, Jörg Libuda, Thomas Berger, Mathias Laurin y Oliver Diwald. "Porphyrin Metalation at the MgO Nanocube/Toluene Interface". ACS Applied Materials & Interfaces 7, n.º 41 (12 de octubre de 2015): 22962–69. http://dx.doi.org/10.1021/acsami.5b08123.

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26

Sternig, Andreas, Slavica Stankic, Markus Müller, Nicolas Siedl y Oliver Diwald. "Surface exciton separation in photoexcited MgO nanocube powders". Nanoscale 4, n.º 23 (2012): 7494. http://dx.doi.org/10.1039/c2nr31844j.

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27

Zhang, Huai-Ruo, Ray Egerton y Marek Malac. "Electron irradiation damage and color centers of MgO nanocube". Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 316 (diciembre de 2013): 137–43. http://dx.doi.org/10.1016/j.nimb.2013.08.042.

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28

Issa, I., J. Amodeo, J. Réthoré, L. Joly-Pottuz, C. Esnouf, J. Morthomas, M. Perez, J. Chevalier y K. Masenelli-Varlot. "In situ investigation of MgO nanocube deformation at room temperature". Acta Materialia 86 (marzo de 2015): 295–304. http://dx.doi.org/10.1016/j.actamat.2014.12.001.

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29

Kaneko, Satoru, Takeshi Ito, Masayasu Soga, Yu Motoizumi, Manabu Yasui, Yasuo Hirabayashi, Takeshi Ozawa y Mamoru Yoshimoto. "Growth of Nanocubic MgO on Silicon Substrate by Pulsed Laser Deposition". Japanese Journal of Applied Physics 52, n.º 1S (1 de enero de 2013): 01AN02. http://dx.doi.org/10.7567/jjap.52.01an02.

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30

Jeevika, Alagan y Dhesingh Ravi Shankaran. "Naked-Eye Detection of Mercury Ions from Morphological Transition of Silver Nanocubes: Tuning Sensitivity Using Co-Staining Agent". Journal of Nanoscience and Nanotechnology 21, n.º 4 (1 de abril de 2021): 2123–31. http://dx.doi.org/10.1166/jnn.2021.19069.

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A simple, low-cost and highly selective nanosensor was developed for naked-eye detection of mercury ions (Hg2+) based on Eosin/silver nanocubes (Eosin/AgNCbs). Silver nanocubes (AgNCbs) were synthesized by polyol assisted chemical method. HR-TEM result shows the formed AgNCbs have a mean diameter of 84±0.005 nM (diagonally measured) and edge length of 55±0.01 nM. XRD result confirms that the AgNCbs are single crystalline in nature with a phase structure of face centered cubic (FCC) of silver. On interaction of Hg2+, AgNCbs exhibits a color change from gray to black up to 16.67 μM of Hg2+ owed to the formation of solid like bimetallic complex of Ag/Hg amalgam. The selectivity of AgNCbs was evaluated with several other toxic metal ions including, Mg2+, Ba2+, Ca4+, Pb2+, Cd4+, Zn2+, Co2+, Cu2+, K+ and Ni2+ and found good selectivity towards Hg2+. The sensitivity of the AgNCbs sensor system was tuned by using Eosin as a co-staining agent. The Eosin/AgNCbs showed a limit of detection of 60±0.050 nM with the color change from orange to purple. The results suggests that the Eosin/AgNCbs nanosensor exhibits good selectivity, sensitivity, repeatability and rapid response, which could be explored for real-time detection of Hg2+ in environmental and biological samples.
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31

Schwab, Thomas, Daniel Thomele, Korbinian Aicher, John W. C. Dunlop, Keith McKenna y Oliver Diwald. "Rubbing Powders: Direct Spectroscopic Observation of Triboinduced Oxygen Radical Formation in MgO Nanocube Ensembles". Journal of Physical Chemistry C 125, n.º 40 (29 de septiembre de 2021): 22239–48. http://dx.doi.org/10.1021/acs.jpcc.1c05898.

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32

Schneider, Johannes, Fabian Kollhoff, Torben Schindler, Stephan Bichlmaier, Johannes Bernardi, Tobias Unruh, Jörg Libuda, Thomas Berger y Oliver Diwald. "Adsorption, Ordering, and Metalation of Porphyrins on MgO Nanocube Surfaces: The Directional Role of Carboxylic Anchoring Groups". Journal of Physical Chemistry C 120, n.º 47 (18 de noviembre de 2016): 26879–88. http://dx.doi.org/10.1021/acs.jpcc.6b08956.

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33

Senapati, Subrata y Ramakanta Naik. "Multicolor Emitting Luminescent MgO Nanocubes for Implication in Ratiometric Optical Thermometry". Surfaces and Interfaces, mayo de 2023, 102919. http://dx.doi.org/10.1016/j.surfin.2023.102919.

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34

Amodeo, Jonathan, Emile Maras y David Rodney. "Site dependence of surface dislocation nucleation in ceramic nanoparticles". npj Computational Materials 7, n.º 1 (6 de mayo de 2021). http://dx.doi.org/10.1038/s41524-021-00530-8.

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AbstractThe extremely elevated strength of nanoceramics under compression arises from the necessity to nucleate highly energetic dislocations from the surface, in samples that are too small to contain pre-existing defects. Here, we investigate the site dependence of surface dislocation nucleation in MgO nanocubes using a combination of molecular dynamics simulations, nudged-elastic-band method calculations and rate theory predictions. Using an original simulation setup, we obtain a complete mapping of the potential dislocation nucleation sites on the surface of the nanoparticle and find that, already at intermediate temperature, not only nanoparticle corners are favorable nucleation sites, but also the edges and even regions on the side surfaces, while other locations are intrinsically unfavorable. Results are discussed in the context of recent in situ TEM experiments, sheding new lights on the deformation mechanisms happening during ceramic nanopowder compaction and sintering processes.
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35

Luong, N. Tan, Michael Holmboe y Jean-Francois Boily. "MgO nanocube hydroxylation by nanometric water films". Nanoscale, 2023. http://dx.doi.org/10.1039/d2nr07140a.

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Hydrophilic nanosized minerals exposed to air moisture host thin water films that are key drivers of reactions of interest in nature and technology. Water films can trigger irreversible mineralogical transformations,...
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