ArticleChemistry, an Asian journal2025
3-Dicyanomethylene-Substituted Thienothiophenes as the Terminal Units in Non-Fullerene Electron Acceptor Molecules for Organic Photovoltaics.
Article in Chemistry, an Asian journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The trial behind it
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Who cites it
2 citing papers in PubMed.
- Benzo[1,2-Organic letters · 2026Article
- 3-Dicyanomethylene-Substituted Thienothiophenes as the Terminal Units in Non-Fullerene Electron Acceptor Molecules for Organic Photovoltaics.Chemistry, an Asian journal · 2025Article
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Authors and funding
4 authors.
Funding
Abstract
A series of dicyanomethylene-substituted thieno[3,2-b]- and thieno[2,3-b]-thiophenes and their α-halogenated derivatives (CNTTs) were developed as electron-withdrawing terminal units of non-fullerene acceptors (NFAs) for bulk heterojunction organic photovoltaics (OPVs). The series of CNTTs was combined with a [1,2,5]thiadiazolo[3,4-e]thieno[2'',3'':4',5']thieno[2',3':4,5]pyrrolo[3,2-g]thieno[2',3':4,5]thieno[3,2-b]indole (BTP) unit, the electron-donating core of Y6, a representative NFA, to afford a series of NFAs (BTP-CNTTs). The BTP-CNTTs, particularly the ones with α-chlorinated or brominated CNTT units, exhibit longer absorption wavelengths than that of Y6 and have low-lying LUMO energy levels comparable to that of Y6. Bulk heterojunction OPV devices based on the BTP-CNTTs blended with a representative donor polymer, PBDB-T, exhibited power conversion efficiencies of over 10% under AM1.5 irradiation. These results suggest that the CNTTs are good candidates as electron acceptor building units for NFAs or n-type organic semiconductors.
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Registered trials
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