Physical Science and Engineering Division, Solar & Photovoltaics Engineering Research Center (SPERC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia.
Angew Chem Int Ed Engl. 2016 Oct 10;55(42):12996-13000. doi: 10.1002/anie.201604307.
Branched-alkyl-substituted poly(thieno[3,4-c]pyrrole-4,6-dione-alt-3,4-difluorothiophene) (PTPD[2F]T) can be used as a polymer acceptor in bulk heterojunction (BHJ) solar cells with a low-band-gap polymer donor (PCE10) commonly used with fullerenes. The "all-polymer" BHJ devices made with PTPD[2F]T achieve efficiencies of up to 4.4 %. While, to date, most efficient polymer acceptors are based on perylenediimide or naphthalenediimide motifs, our study of PTPD[2F]T polymers shows that linear, all-thiophene systems with adequately substituted main chains can also be conducive to efficient BHJ solar cells with polymer donors.
支链烷基取代的聚[噻吩[3,4-c]吡咯-4,6-二酮-alt-3,4-二氟噻吩]（PTPD[2F]T）可用作体异质结（BHJ）太阳能电池中的聚合物受体，该电池使用的低带隙聚合物给体（PCE10）通常与富勒烯一起使用。使用 PTPD[2F]T 制成的“全聚合物”BHJ 器件的效率高达 4.4%。虽然迄今为止，效率最高的聚合物受体基于苝二酰亚胺或萘二酰亚胺基序，但我们对 PTPD[2F]T 聚合物的研究表明，具有充分取代主链的线性全噻吩体系也有利于与聚合物给体配合使用的高效 BHJ 太阳能电池。
