2022
DOI: 10.1002/ejoc.202101554
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The Synthesis of Asymmetric Perylene Diimide Acceptors and Their Optoelectronic Properties Studies

Abstract: Inspired by the advantages of heteroatoms introducing and molecular structure symmetry-breaking in construction of nonfullerene acceptors (NFAs), in this contribution, we designed and synthesized three asymmetric perylene diimide (PDI) based acceptors by annulating a selenophene and/or fusing a thiophene ring at the bay position. Using commercially purchased PBDBÀ T as electron donor, a best power conversion efficiency (PCE) of 5.32 % was achieved for selenophene-annulated PDI (PDI2À Se), while higher PCE of 6… Show more

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Cited by 4 publications
(2 citation statements)
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References 77 publications
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“…[60][61][62][63] Most asymmetric NFAs are derived from the state-of-the-art ITIC and Y6 with an acceptor-donor-acceptor configuration, 64,65 and only a few asymmetric PDI-based NFAs have been reported. 37,56,[66][67][68][69][70][71][72][73][74][75] Moreover, most of the asymmetrical PDI acceptors were achieved by the incorporation of a different functional group at the bay position. Breaking the molecular symmetry of PDI at the N position in the imide group is rarely reported.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…[60][61][62][63] Most asymmetric NFAs are derived from the state-of-the-art ITIC and Y6 with an acceptor-donor-acceptor configuration, 64,65 and only a few asymmetric PDI-based NFAs have been reported. 37,56,[66][67][68][69][70][71][72][73][74][75] Moreover, most of the asymmetrical PDI acceptors were achieved by the incorporation of a different functional group at the bay position. Breaking the molecular symmetry of PDI at the N position in the imide group is rarely reported.…”
Section: Introductionmentioning
confidence: 99%
“…1), have emerged as field-favorite building blocks in constructing nonfullerene acceptors (NFAs). 32–56 Besides the nonplanar molecular configurations, the molecular symmetry of the NFAs plays an indispensable role in the determination of photovoltaic performance. 57 Research on asymmetric NFAs has been relatively overlooked even though its development could be traced back to 2010.…”
Section: Introductionmentioning
confidence: 99%