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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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染料敏化太阳能电池用聚苯胺/石墨复合对电极的制备与性能研究
DOI: 10.3724/SP.J.1105.2014.13383, PP. 844-850
Keywords: 染料敏化太阳能电池,对电极,聚苯胺,网状多孔结构
Abstract:
引入一种具有网状结构的导电聚苯胺为催化材料，以导电石墨为填充材料，并对其共混后丝网印刷在FTO导电面上，制备了聚苯胺/石墨复合对电极.主要解决对电极催化活性和导电特性不能有效兼顾，制作工艺复杂的问题.扫描电镜（SEM）结果表示，通过二者简单的共混后，导电聚苯胺的网状结构依然存在，石墨的加入有效填充了聚苯胺之间的空隙，在不影响原来催化活性的基础上增强了对电极的导电性.利用循环伏安（CV）和电化学阻抗（EIS）对复合对电极的催化和导电特性进行研究.对该复合对电极组装成的DSSCs进行光电性能测试，结果表明，当石墨的质量分数达到10%时，基于聚苯胺/石墨复合对电极组装成DSSCs的光电转换效率达到了8.5%，为同等条件下传统Pt电极的123%.
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