SnO_(2)致密层在染料敏化太阳能电池中的应用研究  

Investigation of SnO_(2) Blocking Layer for Dye-sensitized Solar Cells

作　　者：潘闻景 蒋青松 黄立[3] 曹苏群 谢中祺 张宇林[1,2] PAN Wen-jing;JIANG Qing-song;HUANG Li;CAO Su-qun;XIE Zhong-qi;Zhang Yu-lin(Faculty of Electronic Information Engineering, Huaiyin Institute of Technology, Huai'an Jiangsu 223003, China;Jiangsu Engineering Laboratory for Lake Environment Remote Sensing Technologies, Huaiyin Institute of Technology, Huai'an Jiangsu 223003, China;Wuhan Guide Infrared Co., Ltd, Wuhan, 430205, China)

机构地区：[1]淮阴工学院电子信息工程学院,江苏淮安223000 [2]淮阴工学院江苏省湖泊环境遥感技术工程实验室,江苏淮安223000 [3]武汉高德红外股份有限公司,湖北武汉430205

出　　处：《淮阴工学院学报》2021年第5期31-34,共4页Journal of Huaiyin Institute of Technology

基　　金：江苏省高等学校自然科学研究重大项目(20KJA510006);淮阴工学院研究生科技创新计划项目(HGYK202014)。

摘　　要：在染料敏化太阳能电池中,半导体薄膜为其重要组成部分,是当前研究热点之一。为有效提升电池器件短路电流密度,在氟掺杂二氧化锡(FTO)导电玻璃上构建SnO_(2)致密层,制备出SnO_(2)-TiO_(2)复合半导体薄膜。结构形貌测试表明,SnO_(2)-TiO_(2)复合半导体薄膜厚度略大于TiO_(2)半导体薄膜。电化学测试明确,SnO_(2)-TiO_(2)复合半导体薄膜能抑制FTO导电玻璃上电子与电解液中氧化还原电对之间的复合反应,有效提升了电池器件的短路电流密度。光电流密度-电压曲线证实基于SnO_(2)-TiO_(2)复合半导体薄膜的电池器件短路电流密度达到了17.53 mA/cm^(2),其光电转换效率为7.28%,高于基于TiO_(2)半导体薄膜的电池器件效率6.74%。Semiconductor film was considered as an important component of dye-sensitized solar cells(DSSCs).In order to enhance the short-circuit current density of DSSCs,SnO_(2)-TiO_(2) semiconductor films were designed and fabricated by depositing SnO_(2) blocking layers on fluorine-doped tin oxide(FTO)glasses.Structural morphology measurement indicates that the thickness of SnO_(2)-TiO_(2) semiconductor film is slightly larger than that of TiO_(2) semiconductor film.The results from electrochemical characterization demonstrate that the recombination reaction has been effectively suppressed between electrons of FTO glass and the redox couple in electrolyte.Therefore,the short-circuit current density of DSSCs has been improved.From the analysis of photocurrent density-voltage curves,the short-circuit current density of the DSSC with SnO_(2)-TiO_(2) semiconductor film has achieved 17.53 mA/cm^(2),and the power conversion efficiency of the corresponding DSSC is 7.28%,which is higher than that of the DSSC based on TiO_(2) semiconductor film(6.74%).

关 键 词：SnO_(2)致密层 光阳极 染料敏化太阳能电池 光电转换效率 复合反应 

分 类 号：TM914.4[电气工程—电力电子与电力传动]