期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 44, 期 13, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.202300102
关键词
benzo[d]thiazole; benzobis(thiazole); organic solar cells; thiazole; thiazolothiazole
Organic solar cells (OSCs) have made significant progress due to the development of wide bandgap electron donors and narrow bandgap non-fullerene acceptors (NFAs). Thiazole (Tz) and its derived fused heterocycles have been widely used to construct photovoltaic materials, especially conjugated polymers. These Tz-containing heterocycles have favorable characteristics such as electron deficiency, rigidity, high planarity, and enhanced intra/intermolecular interactions, leading to excellent photovoltaic performance.
Organic solar cells (OSCs) have achieved great progress, driven by the rapid development of wide bandgap electron donors and narrow bandgap non-fullerene acceptors (NFAs). Among a large number of electron-accepting (A) building blocks, thiazole (Tz) and its derived fused heterocycles have been widely used to construct photovoltaic materials, especially conjugated polymers. Benefiting from the electron deficiency, rigidity, high planarity, and enhanced intra/intermolecular interactions of Tz-containing heterocycles, some related photovoltaic materials exhibit proper energy levels, optimized molecular aggregation, and active layer morphology, leading to excellent photovoltaic performance. This review focuses on the progress of Tz-based photovoltaic materials in the field of OSCs. First, the Tz-based donor and acceptor photovoltaic materials are reviewed. Then, the materials based on promising Tz-containing heterocycles, mainly including thiazolo[5,4-d]thiazole (TzTz), benzo[1,2-d:4,5-d']bis(thiazole) (BBTz), and benzo[d]thiazole (BTz) are summarized and discussed. In addition, the new emerging Tz-fused structures and their application in OSCs are introduced. Finally, perspectives and outlooks for the further development of Tz-containing heterocycle-based photovoltaic materials are proposed.
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