pTSA doped conducting graphene/polyaniline nanocomposite fibers: Thermoelectric behavior and electrode analysis
- pTSA doped conducting graphene/polyaniline nanocomposite fibers: Thermoelectric behavior and electrode analysis
- 조무환; 이진태; 모드안사리; 칸모하마드만숩; 사지드안자리; 아말무하마드이크라술
- MICROBIAL FUEL-CELL; THERMAL-STABILITY; ELECTRICAL-CONDUCTIVITY; GRAPHENE; SUPERCAPACITORS; POLYMERIZATION; NANOPARTICLES; POLYANILINE; FABRICATION; GENERATION
- Issue Date
- ELSEVIER SCIENCE SA
- CHEMICAL ENGINEERING JOURNAL, v.242, pp.155 - 161
- 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.
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