Journal
SOLAR RRL
Volume 4, Issue 7, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/solr.202000140
Keywords
integrated solar cells; near-infrared photoresponses; organic solar cells; perovskite solar cells; ultrahigh photocurrents
Funding
- NSFC [21673011]
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To enhance the photoresponse of commonly used perovskite materials in the near-infrared (NIR) region, a fused-ring electron acceptor (F8IC) with strong NIR absorption and high electron mobility is used to blend with a narrow-bandgap polymer donor (PTB7-Th) to construct an organic bulk heterojunction (OBHJ), and this OBHJ is then integrated with the perovskite solar cells (PSCs). The integrated perovskite/OBHJ solar cells exhibit a strong photoresponse approaching 1000 nm and an ultrahigh short-circuit current density of 28.2 mA cm(-2), which is much higher than that of traditional PSCs and organic solar cells.
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