期刊
NANOMATERIALS
卷 12, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/nano12010112
关键词
metal halide perovskite; solar cell materials; hole transport layers; photovoltaics
类别
资金
- Korea Research Institute of Chemical Technology (KRICT), Republic of Korea [SS2122-20]
- Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- Ministry of Trade Industry and Energy (MOTIE), Republic of Korea [20203040010320]
- National Research Council of Science and Technology (NST) [CAP-18-05-KAERI]
- National Research Council of Science & Technology (NST), Republic of Korea [CAP-18-05-KAERI] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This review article summarizes recent contributions of inorganic hole transport materials to the development of PSCs, focusing on device performance and long-term stability. The importance of stability is highlighted, and a possible solution of replacing organic materials with more stable inorganic materials is proposed.
Although power conversion efficiencies of organic-inorganic lead halide perovskite solar cells (PSCs) are approaching those of single-crystal silicon solar cells, the working device stability due to internal and external factors, such as light, temperature, and moisture, is still a key issue to address. The current world-record efficiency of PSCs is based on organic hole transport materials, which are usually susceptible to degradation from heat and diffusion of dopants. A simple solution would be to replace the generally used organic hole transport layers (HTLs) with a more stable inorganic material. This review article summarizes recent contributions of inorganic hole transport materials to PSC development, focusing on aspects of device performance and long-term stability. Future research directions of inorganic HTLs in the progress of PSC research and challenges still remaining will also be discussed.
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