Abstract:
Two new non-fullerene acceptors based on perylene diimide with acetylenic bridges were designed and synthesized employing Stille and Sonogashira coupling reactions as the key steps. Their optical and electronic properties were explored by UV–VIS spectroscopy and cyclic voltammetry, and energies of frontier molecular orbitals were estimated. Their preliminary studies in perovskite solar cells as electron transport materials showed the best power conversion efficiency for photocells of 14.18% value.
Keywords:
perylene diimide, anthra[1, 2-b:4, 3-b':6, 7-c'']trithiophene, dithieno[2, 3-e:3', 2'-g]isoindole, Stille coupling, Sonogashira coupling, PDI derivatives, small molecules, perovskite solar cells, electron transport materials.
Citation:
S. A. Kuklin, S. V. Safronov, E. A. Khakina, A. G. Buyanovskaya, L. A. Frolova, P. A. Troshin, “New perylene diimide electron acceptors for organic electronics: Synthesis, optoelectronic properties and performance in perovskite solar cells”, Mendeleev Commun., 33:3 (2023), 314–317
Linking options:
https://www.mathnet.ru/eng/mendc382
https://www.mathnet.ru/eng/mendc/v33/i3/p314
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