硅酸盐学报

Cu2ZnSnS4纳米片阵列在量子点敏化太阳能电池对电极中的应用

单位：1. 辽宁工程技术大学安全科学与工程学院矿山热动力灾害与防治教育部重点实验室辽宁阜新 123000 2. 辽宁工程技术大学理学院辽宁阜新 123000 3. 天津大学材料科学与工程学院天津市材料复合与功能化重点实验室天津 300072

关键词：锌黄锡矿纳米片敏化太阳能电池量子点电催化活性

分类号：TM914.4

出版年,卷(期):页码：2017,45(4):478-482

DOI：10.14062/j.issn.0454-5648.2017.04.03

摘要：

采用气相沉积和离子交换两步法制备Cu2ZnSnS4 (CZTS)纳米片阵列对电极，应用于量子点敏化太阳能电池(QDSC)，并考察其电催化活性和相应器件的光电性能。结果表明：所得样品是由四方晶系CZTS纳米片组装而成的阵列结构；CZTS纳米片阵列为对电极的QDSC的光电转换效率为0.80%，远高于Pt为对电极的QDSC的光电转换效率0.34%。QDSC光电性能的改善归功于CZTS纳米片阵列具有优异的电催化活性。

Cu2ZnSnS4 (CZTS) nanosheet arrays were synthesized by a two-step technique consisting of vapor deposition and ion-exchange, and used as the counter electrode in quantum dot-sensitized solar cells (QDSCs). The electrocatalytic activity and photovoltaic performance were investigated. The results indicate that the CZTS nanosheet arrays is composed of tetragonal phase structure. The QDSCs based on CZTS counter electrode exhibit an energy conversion of 0.80%, which is greater than that based on Pt 0.34%). The improved photovoltaic performance is attributed to the superior electrocatalytic activity of CZTS nanosheet arrays.

基金项目：

国家自然科学基金(51574143)；国家科技支撑计划(2013BAK06B07)；辽宁省自然科学基金(201602358)。

作者简介：

张敏(1900—)，女，博士研究生，讲师。

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