Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 9, Pages 4765-4776Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta06452f
Keywords
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Funding
- MoST [2014CB643502]
- NSFC [51373078, 51422304]
- PCSIRT [IRT1257]
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Solution processed small molecule based solar cells have become a competitive alternative to their polymer counterparts due to the advantages of their defined structure and thus less batch to batch variation. With a large and rigid planar conjugated structure, the benzo[1,2-b:4,5-b '] dithiophene (BDT) unit has become one of the most widely used and studied building blocks for high performance small molecule based photovoltaic devices. In this review article, we review the progress made in the field of small molecules containing BDT units for solution-processed organic photovoltaic cells. Insights into several important aspects regarding the design and synthesis of BDT based small molecules are also included.
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