期刊
RARE METALS
卷 40, 期 10, 页码 2712-2729出版社
NONFERROUS METALS SOC CHINA
DOI: 10.1007/s12598-020-01691-z
关键词
Perovskite solar cells; Hole-transporting materials; Power conversion efficiency
资金
- National Natural Science Foundation of China [21574013, 21421003, 21734009]
- Program for Changjiang Scholars of Ministry of Education and Innovative Research Team in University
Perovskite solar cells (PSCs) have gained significant attention in the field of photovoltaics due to their exceptional performance, with the power conversion efficiency reaching up to 25.2%. This review focuses on discussing various hole transporting materials (HTMs) in PSCs, emphasizing their role in improving photovoltaic performance. Different organic and inorganic HTMs are categorized and their advantages and disadvantages are demonstrated, with the aim of providing insights for the design and application of novel HTMs to further enhance PSCs performance.
Perovskite solar cells (PSCs) have been brought into sharp focus in the photovoltaic field due to their excellent performance in recent years. The power conversion efficiency (PCE) has reached to be 25.2% in state-of-the-art PSCs due to the outstanding intrinsic properties of perovskite materials as well as progressive optimization of each functional layer, especially the active layer and hole transporting layer (HTL). In this review, we mainly discuss various hole transporting materials (HTMs) consisting of HTL in PSCs. The progress in PSCs is firstly introduced, then the roles of HTL playing in photovoltaic performance improvement of PSCs are emphasized. Finally, we generally categorize HTMs into organic and inorganic groups and demonstrate both their advantages and disadvantages. Specially, we introduce several typical organic HTMs such as P3HT, PTTA, PEDOT:PSS, spiro-OMeTAD, and inorganic HTMs such as copper-based materials (CuOx, CuSCN, CuI, etc.), nickel-based materials (NiOx), and two-dimensional layered materials (MoS2, WS2, etc.). On basis of reviewing the reported HTMs in recent years, we expect to provide some enlightenment for design and application of novel HTMs that can be used to further promote PSCs performance.
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