期刊
JOURNAL OF POLYMER RESEARCH
卷 20, 期 10, 页码 -出版社
SPRINGER
DOI: 10.1007/s10965-013-0269-3
关键词
Dye-sensitized solar cell; Nano-carbon material; Polymer gel electrolyte; Photovoltaic performance
资金
- National Science Council of Taiwan, ROC [NSC 101-2221-E-005-012-MY3]
In this study, the photovoltaic properties of the dye sensitized solar cells (DSSCs) were enhanced by the incorporation of the polyethylene oxide (PEO) intercalated graphite oxides sheets (GO-P) or PEO surface grafted carbon nanotubes (CNT-P) into the PEO gel electrolytes. The PEO modified carbon materials were served as the extended electron transfer materials, and the catalysts for the electrochemical reduction of I-3 (-). The ionic conductivity of PEO gel electrolyte was not significantly influenced by the incorporation of GO-P or CNT-P. Because of the high catalytic activities, the incorporation of GO-P or CNT-P into the gel electrolyte is favorable for decreasing the charge transfer and recombination resistances. Therefore, better PV performance was observed for the DSSCs based on the GO-P/PEO or CNT-P/PEO electrolytes as compared to the PEO electrolyte based DSSCs. The photoelectric conversion efficiencies of DSSCs were respectively enhanced by 19 % and 32 % via the incorporations of GO-P and CNT-P.
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