期刊
MATTER
卷 3, 期 5, 页码 1403-1432出版社
CELL PRESS
DOI: 10.1016/j.matt.2020.09.001
关键词
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资金
- Chongqing Science Foundation for Distinguished Young Scholars [cstc2020jcyj-jq0112]
- Artificial Intelligence'' Key Project of Chongqing [cstc2017rgzn-zdyf0120]
- Research Grants Council of Hong Kong [15218517, C5037-18G]
- Shenzhen Science and Technology Innovation Commission [JCYJ20170413154602102]
- Sir Sze-yuen Chung endowed professorship
- Hong Kong Polytechnic University [1-ZE29, YW3Y]
- National Natural Science Foundation of China [51961165102]
Organic solar cells (OSCs) have been considered being a promising candidate for next-generation photovoltaic technology because of their low carbon footprint, short energy payback time, and facile manufacture into lightweight, flexible, and semitransparent products. In this prosperous field, there is a rising trend of developing all-small-molecule (ASM) OSCs due to the distinct merits of small molecules, such as well-defined structures, facile purification, and pre-eminent batch-to-batch replicability, making it a preferential contender for industrialization. The majority of the best-performing ASM OSCs utilize benzodithiophene (BDT) donors, and recent breakthroughs demonstrate that this system has exceeded the 15% efficiency mark in the laboratory. This review analyzes the significant study that has led to this remarkable progress and focuses on the most effective BDT small-molecule donors. The pivotal structure-property relationships, donor-acceptor matching criteria, and morphology control approaches are discussed. Lastly, we summarize the remaining challenges and offer our perspective on the future advance of ASM OSCs.
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