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Effects of Selective Polymerization Conditions on Physical Properties of Nanometer-Scale Silica/Polypyrrole Composites

Title
Effects of Selective Polymerization Conditions on Physical Properties of Nanometer-Scale Silica/Polypyrrole Composites
Authors
Jung, Y[Jung, Yongju]Kim, S[Kim, Seok]Spray, RL[Spray, Ryan L.]Yang, HJ[Yang, Hye Jeong]Park, SH[Park, Seong-Hyo]Kim, S[Kim, Seokhyeon]Lee, H[Lee, Hochun]
DGIST Authors
Park, SH[Park, Seong-Hyo]; Kim, S[Kim, Seokhyeon]; Lee, H[Lee, Hochun]
Issue Date
2015-12
Citation
Bulletin of the Korean Chemical Society, 36(12), 2881-2884
Type
Article
Article Type
Article
Keywords
Electric ConductivityElectrical ConductivityIonsNano-Meter ScaleOxidizing AgentsPolymerizationPolypyrrolePolypyrrole (PPy)PolypyrrolesPyrrole MonomersReactant ConcentrationsSelective PolymerizationSelective PolymerizationsSilicaSilica Surface
ISSN
0253-2964
Abstract
Nanometer-scale (approximately 70 nm) silica/polypyrrole composites were synthesized using a selective polymerization based on an in situ-generated strong oxidizing agent (NO+ ions) on the silica surface. The effects of the concentrations of reactants (pyrrole monomer and NO2- ions) and the presence of additional dopant anions (Cl- or SO2-4) on the polypyrrole (ppy) content and electric conductivity of the silica/ppy composites are examined. It was found that the ppy content in the silica/ppy composites increased with the reactant concentration in the range of 0.02-0.2 M. It is revealed that employing additional dopant anions could be a promising way to improve the electrical conductivity of the composites. © 2015 Korean Chemical Society, Seoul & Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
URI
http://hdl.handle.net/20.500.11750/2801
DOI
10.1002/bkcs.10589
Publisher
Wiley-VCH Verlag
Related Researcher
  • Author Lee, Ho Chun Electrochemistry Laboratory for Sustainable Energy(ELSE)
  • Research Interests Lithium-ion batteries; Novel Materials for rechargeable batteries; Novel energy conversion;storage systems; Electrochemistry; 리튬이차전지; 이차전지용 신규 전극 및 전해액; 신규 에너지변환 및 저장 시스템; 전기화학
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Collection:
Energy Science and EngineeringElectrochemistry Laboratory for Sustainable Energy(ELSE)1. Journal Articles


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