摘要
Lead halide perovskite solar cells(PSCs) have become a promising next-generation photovoltaic technology due to their skyrocketed power conversion efficiency. However, the device stability issues may restrict their commercial applications, which are dominated by various chemical reactions of perovskite layers. Hence, a comprehensive illustration on the stability of perovskite films in PSCs is urgently needed. In this review article, chemical reactions of perovskite films under different environmental conditions(e.g., moisture,oxygen, light) and with charge transfer materials and metal electrodes are systematically elucidated. Effective strategies for suppressing the degradation reactions of perovskites, such as buffer layer introduction and additives engineering,are specified. Finally, conclusions and outlooks for this field are proposed. The comprehensive review will provide a guideline on the material engineering and device design for PSCs.
基金
financially supported by the Research Grants Council (RGC) of Hong Kong, China (Project No. 15306822)
Innovation and Technology Commission of Hong Kong, China (Innovation and Technology Fund-Guangdong-Hong Kong Technology Cooperation Funding Scheme (ITF-TCFS), Project No. GHP/042/19SZ)
financially supported by the Research Institute of Intelligent Wearable Systems of the Hong Kong Polytechnic University, Hong Kong, China (Project Code: CD46)
supported by the funding for Projects of Strategic Importance of the Hong Kong Polytechnic University (Project Code: 1-ZE2X)
supported by Shenzhen Science and Technology Innovation Commission, (Project No.: SGDX20210823103401011)。
