High-Performance Photovoltaic Polymers Employing Symmetry-Breaking Building Blocks.
basic_science · Level V
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- Record sourced from PubMed, PMID 27500667.
- Also identified by DOI 10.1002/adma.201602857.
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Abstract
Two 1D-2D asymmetric benzodithiophenes (BDTs) as donor building blocks are designed and synthesized, combining the advantages of both 1D and 2D symmetric BDTs. The photovoltaic properties of the asymmetric BDT-based polymers are improved greatly in comparison with corresponding symmetric BDT-based polymers. This work provides a new approach to design prospective organic optoelectronic materials employing the symmetry-breaking strategy.