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Effect of the Terminal Acceptor Unit on the Performance of Non-Fullerene Indacenodithiophene Acceptors in Organic Solar Cells |
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| Authors: | Natalia Terenti Gavril-Ionel Giurgi Lorant Szolga Ioan Stroia Anamaria Terec Ion Grosu Andreea Petronela Cri&#x;an |
| Institution: | 1.Department of Chemistry and SOOMCC, Faculty of Chemistry and Chemical Engineering, Babeș-Bolyai University, Cluj-Napoca, 11 Arany Janos Str., 400028 Cluj-Napoca, Romania; (N.T.); (G.-I.G.); (I.S.); (A.T.); (I.G.);2.Optoelectronics Group, Base of Electronics Department, ETTI, Technical University of Cluj-Napoca, 28 Memorandumului Str., 400114 Cluj-Napoca, Romania; |
| Abstract: | Four acceptor–donor–acceptor (A–D–A)-type molecules bearing indacenodithiophene as donating central core and various end-capping acceptor units have been designed and synthesised as n-type materials suitable for organic solar cells (OSCs). The studied optical and electrochemical properties supported by theoretical calculations revealed that the nature and the strength of the terminal groups exert a decisive influence on the polymer bulk-heterojunction OSC performance. |
| Keywords: | indacenodithiophene electron acceptor non-fullerene organic solar cells structure– property relationship |