NiCoSe4薄膜制备及其在染料敏化太阳能电池中的应用

摘要/Abstract

摘要： 作为染料敏化太阳能电池的关键构成部分,对电极一直是研究的重点,尤其是硒化物对电极。本文采用恒电位沉积-溶剂热-硒化过程制备出钴镍基硒化物薄膜,并直接作为染料敏化太阳能电池的对电极。物相、形貌以及表面元素价态等分析表明,在氟掺杂氧化锡(FTO)玻璃上可直接获得NiCoSe₄薄膜,该薄膜是一种由纳米颗粒构成的片状多孔结构。电化学测试结果表明,NiCoSe₄薄膜在基于I^-/I^-₃氧化还原电对的电解液中具有良好的电催化活性,由其构成的电池器件也展现出了良好的光伏性能,且光电转换效率达到了7.84%,高于铂基电池器件效率的6.95%。

关键词: 染料敏化太阳能电池, 对电极, NiCoSe₄薄膜, 多孔结构, 光伏性能, 电催化活性

Abstract: Counter electrode is considered as a key component of dye-sensitized solar cells. Counter electrode, especially selenide counter electrode, has always been the focus of research. Nickel cobalt selenide film was prepared through the potentiostatic deposition-solvothermal-selenization process, and directly applied to dye-sensitized solar cells. Through the analysis of phase, morphology, and surface element valence state, NiCoSe₄ film has been successfully synthesized on fluorine doped tin oxide (FTO) glass. NiCoSe₄ film displays the sheet-like porous structure composed of nanoparticles. The results from electrochemical measurement demonstrate that NiCoSe₄ film shows high electrocatalytic activity in electrolyte based on I^-/I^-₃ redox pair. Dye-sensitized solar cell with NiCoSe₄ film exhibits high photovoltaic performance. The corresponding photoelectric conversion efficiency is up to 7.84%, which is higher than that of platinum-based solar cells (6.95%).

Key words: dye-sensitized solar cell, counter electrode, NiCoSe₄ film, porous structure, photovoltaic performance, electrocatalytic activity

中图分类号:

TM914.4

葛薛豪, 吴静, 邢栋梁, 潘闻景, 张宇林, 蒋青松. NiCoSe₄薄膜制备及其在染料敏化太阳能电池中的应用[J]. 人工晶体学报, 2021, 50(6): 1062-1069.

GE Xuehao, WU Jing, XING Dongliang, PAN Wenjing, ZHANG Yulin, JIANG Qingsong. Preparation of NiCoSe₄ Film and Its Application in Dye-Sensitized Solar Cells[J]. JOURNAL OF SYNTHETIC CRYSTALS, 2021, 50(6): 1062-1069.

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NiCoSe₄薄膜制备及其在染料敏化太阳能电池中的应用

Preparation of NiCoSe₄ Film and Its Application in Dye-Sensitized Solar Cells

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