期刊
POLYMER
卷 52, 期 24, 页码 5567-5572出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2011.10.001
关键词
Layer-by-layer assembly; Graphene; Polyaniline
资金
- national basic research program of China (973 Program) [2012CB933400]
- National Natural Science Foundation of China [50873052, 91027028, 50973054]
Graphene/polyaniline (PANI) multilayer films were prepared via alternate deposition of negatively charged graphene oxide (GO) and positively charged PANI upon electrostatic interaction, followed by the reduction of their GO components with hydroiodic acid. The thickness of the multilayer film increased linearly with the number of its bilayers and that of each bilayer was measured to be about 3 nm. Cyclic voltammetry studies indicated that these thin composite films were electroactive, and their redox reactions were related to the insertion-extraction of counter ions in PANI layers. Furthermore, the composite films were tested to be promising electrode materials for electrochromic devices even without using the conventional indium tin oxide (ITO) electrodes. (C) 2011 Elsevier Ltd. All rights reserved.
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