pTSA doped conducting graphene/polyaniline nanocomposite fibers: Thermoelectric behavior and electrode analysis

Title
pTSA doped conducting graphene/polyaniline nanocomposite fibers: Thermoelectric behavior and electrode analysis
Author(s)
조무환이진태모드안사리칸모하마드만숩사지드안자리아말무하마드이크라술
Keywords
MICROBIAL FUEL-CELL; THERMAL-STABILITY; ELECTRICAL-CONDUCTIVITY; GRAPHENE; SUPERCAPACITORS; POLYMERIZATION; NANOPARTICLES; POLYANILINE; FABRICATION; GENERATION
Issue Date
201404
Publisher
ELSEVIER SCIENCE SA
Citation
CHEMICAL ENGINEERING JOURNAL, v.242, pp.155 - 161
Abstract
Highly conducting graphene/polyaniline (GN@Pani) nanocomposite was prepared by the in situ oxidative polymerization of aniline in the presence of GN and the surfactant, cetyltrimethylammonium bromide (CTAB). The micellar structure of CTAB assisted both, the formation of GN@Pani tubules and the dispersion of GN. Sheet-like GN was distributed uniformly in the Pani matrix, leading to high electrical conductivity because of the pi-pi interactions between Pani and GN. Studies of the thermoelectrical behavior using isothermal and cyclic aging techniques showed that GN@Pani possessed a high combination of electrical conductivity and thermal stability, even beyond 150 degrees C. GN@Pani was used as cathode active material in microbial fuel cells, and showed an enhanced power density and cell voltage, leading to better catalytic performance compared to plain carbon paper. (C) 2013 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/32609http://dx.doi.org/10.1016/j.cej.2013.12.033
ISSN
1385-8947
Appears in Collections:
공과대학 > 화학공학부 > Articles
공과대학 > 신소재공학부 > Articles
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