期刊
SOLAR RRL
卷 1, 期 5, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/solr.201700046
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资金
- Swedish Energy Agency
- Swedish Research Council
- Knut and Alice Wallenberg Foundation
- National Natural Science Foundation of China [21120102036, 91233201]
- National Basic Research Program of China (973 program) [2014CB239402]
A perylenediimide (PDI) tetramer-based three dimensional (3D) molecular material, termed SFX-PDI4, has been designed, synthesized, and characterized. The low-lying HOMO and LUMO energy levels, high electron mobility and good film-formation property make it a promising electron transport material (ETM) in inverted planar perovskite solar cells (PSCs). The device exhibits a high power conversion efficiency (PCE) of 15.3% with negligible hysteresis, which can rival that of device based on PC61BM. These results demonstrate that three dimensional PDI-based molecular materials could serve as high performance ETMs in PSCs.
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