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材料导报  2020, Vol. 34 Issue (18): 18003-18008    https://doi.org/10.11896/cldb.19110152
  机非金属及其复合材料 |
无机电荷传输层界面修饰制备稳定钙钛矿太阳能电池
茹鹏斌, 毕恩兵, 陈汉
上海交通大学金属基复合材料国家重点实验室,上海 200240
Preparation of Stable Perovskite Solar Cells via Interface Modification of Inorganic Charge Transport Layers
RU Pengbin, BI Enbing, CHEN Han
State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
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摘要 钙钛矿太阳能电池光电转换效率高、成本低,在光伏领域得到了广泛应用。然而,目前钙钛矿材料和电荷传输材料的稳定性差,导致钙钛矿太阳能电池的稳定性较差,制约了其商业化应用。本实验制备了稳定的全无机电荷传输层的反式钙钛矿太阳能电池,通过F2HCNQ掺杂的PTAA修饰NiOx/钙钛矿界面,C60修饰钙钛矿/SnO2界面,显著改善了无机电荷传输层和钙钛矿界面载流子的提取和传输,并通过F2HCNQ掺杂PTAA显著提高了其功函数和导电性,进而提高了该器件的开路电压和填充因子。基于F2HCNQ掺杂的PTAA和C60界面修饰的全无机电荷传输层的钙钛矿太阳能电池的光电转换效率达到17.52%,且具有良好的稳定性,未封装器件在湿度为20%~40%、温度为25℃的环境下存储500 h,光电转换效率保持在85%以上。
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茹鹏斌
毕恩兵
陈汉
关键词:  钙钛矿太阳能电池  稳定性  无机电荷传输层  界面修饰    
Abstract: Perovskite solar cells have made remarkable progress in photovoltaic field due to their high photoelectric conversion efficiency (PCE) and low cost. However, poor stability is one of the main factors restricting their commercial application, mainly due to the poor stability of perovskite materials and charge transport materials. In this paper, perovskite solar cells based on all inorganic charge transport layer were fabricated, and the PCE of device was improved by introducing F2HCNQ doped PTAA to modify NiOx/perovskite interface and C60 to modify perovskite/SnO2 interface. Especially, the work function and conductivity of PTAA were significantly improved by doping novel F2HCNQ, resulting in enhanced open circuit voltage and fill factor. Perovskite solar cells based on the inorganic charge transport layers achieved 17.52% PCE, and good stability with the PCE maintained above 85% after 500 h storage at humidity of 20%—40% and temperature of 25℃.
Key words:  perovskite solar cells    stability    inorganic charge transport layer    interface modification
                    发布日期:  2020-09-12
ZTFLH:  TM914  
基金资助: 上海市自然科学基金(17ZR1414800;20ZR1424900);国家创新人才博士后计划与国家博士后基金(2018M640388)
通讯作者:  Chen.han@sjtu.edu.cn   
作者简介:  茹鹏斌,2017年6月毕业于中南大学,新能源材料与器件专业,获得学士学位。于2017年9月进入上海交通大学攻读硕士学位,研究方向为钙钛矿太阳能电池。
陈汉,博士,上海交通大学副教授。2005年开始在日本福井大学从事电化学方面研究,2010年获得电化学博士学位;2010年开始在日本国立物质材料研究所从事有机/无机太阳电池方面的研究。2012年至今在上海交通大学材料科学与工程学院从事有机/无机太阳电池方面的研究。其主要研究工作包括新型太阳电池工作机理、新材料和大面积制膜方法的开发、高效率器件的制备等。在 Nature、Science、Joule、Nature Communications、Advanced Materials、Energy and Environmental Science 等国际著名期刊发表 SCI 学术论文 40多篇。申请中国发明专利38项,授权18项。
引用本文:    
茹鹏斌, 毕恩兵, 陈汉. 无机电荷传输层界面修饰制备稳定钙钛矿太阳能电池[J]. 材料导报, 2020, 34(18): 18003-18008.
RU Pengbin, BI Enbing, CHEN Han. Preparation of Stable Perovskite Solar Cells via Interface Modification of Inorganic Charge Transport Layers. Materials Reports, 2020, 34(18): 18003-18008.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.19110152  或          http://www.mater-rep.com/CN/Y2020/V34/I18/18003
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