New perylene diimide electron acceptors for organic electronics: synthesis, optoelectronic properties and performance in perovskite solar cellsстатья
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Дата последнего поиска статьи во внешних источниках: 26 июня 2024 г.
Аннотация:Two new non-fullerene acceptors based on perylene diimide with acetylenic bridges were designed and synthesizedemploying 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 electrontransport materials showed the best power conversion efficiency for photocells of 14.18% value.