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Статті в журналах з теми "Polypyrrole based nanocomposites"
Ahmad, Sharique, Imran Khan, Ahmad Husain, Anish Khan, and Abdullah M. Asiri. "Electrical Conductivity Based Ammonia Sensing Properties of Polypyrrole/MoS2 Nanocomposite." Polymers 12, no. 12 (December 18, 2020): 3047. http://dx.doi.org/10.3390/polym12123047.
Повний текст джерелаSalman, Mohammed Abdilridha, and Salma M. Hassan. "Antibacterial and morphological properties of polypyrrole/silver nanocomposites synthesized by chemical oxidative polymerization." Iraqi Journal of Physics (IJP) 19, no. 48 (February 27, 2021): 33–43. http://dx.doi.org/10.30723/ijp.v19i48.614.
Повний текст джерелаNajjar, Reza, and Samira Nematdoust. "A resistive-type humidity sensor based on polypyrrole and ZnO nanoparticles: hybrid polymers vis-a-vis nanocomposites." RSC Advances 6, no. 113 (2016): 112129–39. http://dx.doi.org/10.1039/c6ra24002j.
Повний текст джерелаSultan, Adil, Sharique Ahmad, Tarique Anwer, and Faiz Mohammad. "Binary doped polypyrrole and polypyrrole/boron nitride nanocomposites: preparation, characterization and application in detection of liquefied petroleum gas leaks." RSC Advances 5, no. 128 (2015): 105980–91. http://dx.doi.org/10.1039/c5ra21173e.
Повний текст джерелаSu, Pi-Guey, and Xing-Chen Chai. "Room-Temperature ppb-Level H2S Gas Sensors Based on Ag Nanowire/Hollow PPy Nanotube Nanocomposites." Chemosensors 10, no. 8 (August 2, 2022): 305. http://dx.doi.org/10.3390/chemosensors10080305.
Повний текст джерелаGuettiche, Djamil, Ahmed Mekki, Tighilt Fatma Zohra, Noureddine Ramdani, and Rachid Mahmoud. "Chemiresistive sensors based on Dodecyl benzene Sulfonic acid doped Polypyrrole and Reduced Graphene Oxide for nitrogen oxides." IOP Conference Series: Materials Science and Engineering 1204, no. 1 (November 1, 2021): 012004. http://dx.doi.org/10.1088/1757-899x/1204/1/012004.
Повний текст джерелаBaghdadi, Neazar, M. Sh Zoromba, M. H. Abdel-Aziz, A. F. Al-Hossainy, M. Bassyouni, and Numan Salah. "One-Dimensional Nanocomposites Based on Polypyrrole-Carbon Nanotubes and Their Thermoelectric Performance." Polymers 13, no. 2 (January 16, 2021): 278. http://dx.doi.org/10.3390/polym13020278.
Повний текст джерелаGerman, Natalija, Almira Ramanaviciene, and Arunas Ramanavicius. "Formation and Electrochemical Evaluation of Polyaniline and Polypyrrole Nanocomposites Based on Glucose Oxidase and Gold Nanostructures." Polymers 12, no. 12 (December 17, 2020): 3026. http://dx.doi.org/10.3390/polym12123026.
Повний текст джерелаZhang, Dawei, Qing Zhang, Xin Gao, and Guangzhe Piao. "A Nanocellulose Polypyrrole Composite Based on Tunicate Cellulose." International Journal of Polymer Science 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/175609.
Повний текст джерелаWang, Huan, Pei Qin, Yun-Hui Feng, Hui-Liang Sun, Hui-Xiang Wu, Bo-Kai Liao, Yue-Bin Xi, and Wei Wang. "Polypyrrole Film Deposited-TiO2 Nanorod Arrays for High Performance Ultraviolet Photodetectors." Chemosensors 10, no. 7 (July 13, 2022): 277. http://dx.doi.org/10.3390/chemosensors10070277.
Повний текст джерелаДисертації з теми "Polypyrrole based nanocomposites"
Mikhaylov, Sergei. "Synthesis and investigation of nanostructured conducting polymers based nanocomposites for ammonia and amines detection." Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10036/document.
Повний текст джерелаThe thesis is devoted to the synthesis and investigation of properties of inorganic-organic polyaniline (PANI) and polypyrrole (PPy) based hybrid materials with TiO2 (rutile and anatase) and SnO2 nanoparticles applicable for ammonia and amines detection. The direct polymer growth on the surface of nanoparticles allowed obtaining of nanocomposite materials with a “core-shell” structure which differs from simple mechanical mixture by more uniform polymer distribution and stronger interaction between source components.The object of research is the process of formation of polyaniline and polypyrrole nanocomposites with metal oxides. The research goal is to reveal formation peculiarities and properties of nanostructured composite materials based on conducting polymers and metal oxides nanoparticles that are sensitive to ammonia and amines. Research methods include RedOx and pH monitoring, FTIR and UV-spectroscopy, SEM, TEM, thermogravimetry, liquid chromatography, conductivity measurements and sensor tests.The new approach to study kinetics of aniline polymerization process by simultaneous RedOx and pH monitoring of reaction medium was proposed. For the first time the influence of sulfonic acids and metal oxides on the aniline polymerization process and molecular characteristics of the obtained polymer was shown. For the first time a linear correlation between the nanoparticles content and reciprocal duration of separate stages of polymerization was shown. Formed "core-shell" nanocomposites have sensitivity to ammonia and amines of about 2 times higher than the pure polymer. Developed new materials can be used in the manufacturing of chemoresistive sensors' active layers
Demets, Grégoire Jean-François. ""Desenvolvimento de interfaces eletroquímicas à base de nanocompósitos de poli(Pirrol) e xerogel lamelar de pentóxido de vanádio"." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/46/46134/tde-26072002-163527/.
Повний текст джерелаThis thesis focuses on the electrochemical properties of V2O5.nH2O and its poly(pyrrole) nanocomposites over electrodes. We demonstrate that it is possible, by controlling synthetic procedures, to change the composition of the modified electrodes interfaces, leaving poly(pyrrole) over, under or inside the V2O5 films covering the electrodes. This structural differenciation repercutes on the electrochemical and spectroscopic properties of the modified electrodes. We have developed also a method to generate V2O5.nH2O matrices as well as their nanocomposites with poly(pyrrole) showing tridimensional electrical anisotropy, a useful property in electronics. Additionally, poly(pyrrole) has been inserted into BV (smectite stabilized V2O5.nH2O) matrices, generating stable materials in aqueous medium, conveying to this, the properties of V2O5/poly(pyrrole) nanocomposites modified electrodes.
Gahlout, Pargati. "Synthesis, characterization and evelution of polypyrrole based nanocomposites for elevtromagnetic shielding application." Thesis, 2018. http://localhost:8080/xmlui/handle/12345678/7740.
Повний текст джерелаChang, Hao-Hsiang, and 張皓翔. "Supercapacitor based on polypyrrole/graphene nanocomposite." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/64249488654504790266.
Повний текст джерела國立中興大學
化學工程學系所
99
A nanocomposite film consisted of graphene oxide (GO) and polypyrrole (PPy) was successfully synthesized by electropolymerization which the GO and PPy were deposited on the gold electrode simultaneously. The GO-PPy could be reduced through electrochemical reduction method to obtain reduced graphene oxide (rGO)-PPy. The morphology of PPy, GO-PPy and rGO-PPy nanocomposite films were characterized via scaning electron microscope (SEM). Under three-electrode electrochemical system, the electrocapacitive ability of rGO-PPy modified electrode was investigated with cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) in 1M H2SO4. In comparsion with PPy and GO-PPy, the rGO-PPy had better eletrocapacitive performances in CV and EIS for supercapacitor applications. And the rGO-PPy had a higer specific capacitance of 352 F/g at a current density of 1 A/g discharge current density, which exceeded that of PPy (108F/g) and GO-PPy (289 F/g).
Lin, Chuan-Sheng, and 林川勝. "Electrochemical sensors based on polypyrrole/graphene nanocomposite." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/88158264171887818706.
Повний текст джерела國立中興大學
化學工程學系所
100
A nanocomposite film consisted of graphene oxide (GO) and polypyrrole (PPy) was successfully synthesized by electropolymerization which the GO and PPy were deposited on the ITO electrode simultaneously. The GO-PPy could be reduced through electrochemical reduction method to obtain reduced graphene oxide (rGO)-PPy. The morphology of PPy, GO-PPy and rGO-PPy nanocomposite films were characterized via scaning electron microscope (SEM). The first part is the introduction of electrochemical behavior of ascorbic acid by using rGO-PPy nanocomposite modified ITO electrode with cyclic voltammetry and amperometry. In cyclic voltammetric responses, the enhanced current response and the lower oxidation potential were obvious evidences for the electrocatalytic ability of rGO-PPy toward AA oxidation, which suggested a diffusion-controlled process for the electrochemical reaction. The determination of AA at the rGO-PPy nanocomposite modified ITO electrode with amperometry displayed a high sensitivity of 0.744 A M-1 cm-2 and a low detection limit of 13 μM . The second part is the introduction of electrochemical behavior of uric acid by using rGO-PPy nanocomposite modified ITO electrode with cyclic voltammetry and amperometry. In cyclic voltammetric responses, the enhanced current response and the lower oxidation potential were obvious evidences for the electrocatalytic ability of rGO-PPy toward UA oxidation, which suggested a diffusion-controlled process for the electrochemical reaction. The determination of UA at the rGO-PPy nanocomposite modified ITO electrode with amperometry displayed a high sensitivity of 0.492 A M-1 cm-2 and a low detection limit of 7 μM . In the third part, this study demonstrates that an efficient electrode for electrocatalytic detection of dopamine (DA), can be directly obtained using rGO-PPy nanoparticles onto the surface of ITO.Cyclic voltammetry and amperometry were used to investigate the electrochemical behaviors of DA at the rGO-PPy coated ITO electrode. Compared to a bare ITO electrode, rGO-PPy coated ITO electrode exhibits the abilities to lower the electrooxidation potential and to raise the current responses of DA.The determination of DA at the rGO-PPy nanocomposite modified ITO electrode with amperometry displayed a high sensitivity of 1.264 A M-1 cm-2 and a low detection limit of 3 μM .
Li, Shih-Ci, and 黎世棊. "Glucose Biosensors Based on Multiwalled Carbon Nanotubes/Nafion/GOD Nanocomposite and Multiwalled Carbon Nanotubes/Polypyrrole/GOD Nanocomposite." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/67374755640206369833.
Повний текст джерела國立中興大學
化學工程學系
93
Novel electroanalytical sensing nanobiocomposite materials are reported. Two methods of preparation of the glucose biosensors based on multi-walled carbon nanotubes (MWNTs) are investigated. The first one is prepared by a simple cast deposition on glassy carbon electrodes (GCE) with mixing MWNTs, Nafion, and a glucose oxidase (GOD) in appropriate amounts. The MWNTs are cylindrical with a diameter in the range of 40 – 60 nm and with a length of up to several micrometers and provide electrical conductivity. Nafion acts as a polymer backbone to give stable and homogeneous cast thin films. The resulting biosensing composite material is inexpensive, reliable, and easy to use. The homogeneity of the MWNTs/Nafion/GOD nanobiocomposite films was characterised by atomic force microscopy (AFM). Amperometric transducers fabricated with these materials were characterized electrochemically using amperometry in the presence of hydrogen peroxide and in the presence of glucose. Their linear response to hydrogen peroxide was demonstrated. This glucose biosensor sensitivity was strongly influenced by glucose oxidase concentration within the nanobiocomposite film. The optimized glucose biosensor (2.5 mg/ml GOD) displayed a sensitivity of 330 nA/mM, a linear range up to 2 mM, a detection limit of 4 μM, and a response time of less than 3 s. The another one is prepared by electrochemical technique. A nanobiocomposite film of polypyrrole (PPy), the functionalization of multi-walled carbon nanotubes (cMWNTs) and GOD were synthesized by electropolymerization which the PPy, MWNTs and GOD were deposited on the GCE simultaneously. The morphology of PPy/cMWNTs nanocomposite film was characterized by AFM and scanning electron microscope (SEM). The amounts of hydrogen peroxide and the heights of amperometric response of PPy/cMWNTs nanocomposite film vary proportionately. The results indicate that the electroanalytical PPy/cMWNTs/GOD nanobiocomposite film was highly sensitive and suitable for glucose biosensors. Relevant parameters of the film preparation were examined and optimized. The optimized glucose biosensor (1.5 mg/ml GOD) displayed a sensitivity of 95 nA/mM, a linear range up to 4 mM, a detection limit of 106 μM, and a response time of less than 8 s.
Частини книг з теми "Polypyrrole based nanocomposites"
Olatunji, M. A., M. U. Khandaker, Y. M. Amin, and H. N. M. Ekramul Mahmud. "Development and Characterization of Polypyrrole-Based Nanocomposite Adsorbent and Its Applications in Removal of Radioactive Materials." In IFMBE Proceedings, 30–35. Singapore: Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-10-0266-3_7.
Повний текст джерелаKausar, Ayesha. "Perspectives on nanocomposite with polypyrrole and nanoparticles." In Conducting Polymer-Based Nanocomposites, 103–28. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-822463-2.00006-3.
Повний текст джерелаOlatunji, M. A., M. U. Khandaker, M. Ladan, and D. A. Bradley. "Polypyrrole-based nanocomposite adsorbents and its application in removal of radioactive materials." In Polymer-based Nanocomposites for Energy and Environmental Applications, 465–89. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-08-102262-7.00017-9.
Повний текст джерелаТези доповідей конференцій з теми "Polypyrrole based nanocomposites"
Sardar, A., and P. S. Gupta. "Polypyrrole based nanocomposites for supercapacitor applications: A review." In 2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5032355.
Повний текст джерелаUgwu, Samson N., and Christopher C. Enweremadu. "Comparative Studies on the Effect of Selected Iron-Based Additives on Anaerobic Digestion of Okra Waste." In ASME 2019 13th International Conference on Energy Sustainability collocated with the ASME 2019 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/es2019-3820.
Повний текст джерела