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Citation: CHEN Hong-Xiang, ZHOU Jian-Zhang, XI Yan-Yan, LAN Bi-Bo, FENG Zeng-Fang, YAO Guang-Hua, LIN Zhong-Hua. Charge Transport Performance of Nafion-based Redox Polymer in Atmosphere[J]. Acta Physico-Chimica Sinica, ;2007, 23(03): 404-408. doi: 10.3866/PKU.WHXB20070323 shu

Charge Transport Performance of Nafion-based Redox Polymer in Atmosphere

1.
(State Key Laboratory of Physical Chemistry of the Solid Surface, Department of Chemistry, Xiamen University, Xiamen 361005, Fujian Province, P. R. China)

Received Date: 11 September 2006
Available Online: 7 March 2007

The charge transport performance of the Nafion-based redox polymer films prepared under different conditions was investigated by cyclic voltammetry in the sandwiched cells. The results showed that the apparent charge transfer diffusion coefficient(Dct) of the Nafion[M(bpy)2+3, PEG (polyethylene glycol)] (M=Ru or Fe) films is about 10-6-10-7 cm2·s-1 and the mobility of the electron or hole ( μ) was about 10-4-10-5 cm2·V-1·s-1. In order to decrease the resistance of the interface, a polyaniline (PANI) layer was added to the interface of indium tin oxide coated conducting glass (ITO) electrode and the redox polymer. Consequentially , the Dct could be increased to about 10-5-10-6 cm2·s-1 and μ to about 10-3-10-4 cm2·V-1·s-1, and the operating current of the cells under 600 mV bias could be increased by almost 100 times . In addition, the Dct and μ of this redox polymer film had just reduced slightly after 30 d kept in atmosphere. Therefore, the redox polymer film is sufficiently stable.
- Nafion;Redox polymer;Organic charge transport material;Charge transfer diffusion coefficient
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Charge Transport Performance of Nafion-based Redox Polymer in Atmosphere

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com