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- Title
Electrosynthesis of buckyballs with fused-ring systems from PCBM and its analogue.
- Authors
Wang, Wei-Feng; Liu, Kai-Qing; Niu, Chuang; Wang, Yun-Shu; Yao, Yang-Rong; Yin, Zheng-Chun; Chen, Muqing; Ye, Shi-Qi; Yang, Shangfeng; Wang, Guan-Wu
- Abstract
[6,6]-Phenyl-C61-butyric acid methyl ester (PCBM), a star molecule in the fullerene field, has found wide applications in materials science. Herein, electrosynthesis of buckyballs with fused-ring systems has been achieved through radical α-C−H functionalization of the side-chain ester for both PCBM and its analogue, [6,6]-phenyl-C61-propionic acid methyl ester (PCPM), in the presence of a trace amount of oxygen. Two classes of buckyballs with fused bi- and tricyclic carbocycles have been electrochemically synthesized. Furthermore, an unknown type of a bisfulleroid with two tethered [6,6]-open orifices can also be efficiently generated from PCPM. All three types of products have been confirmed by single-crystal X-ray crystallography. A representative intramolecularly annulated isomer of PCBM has been applied as an additive to inverted planar perovskite solar cells and boosted a significant enhancement of power conversion efficiency from 15.83% to 17.67%.[6,6]-Phenyl-C61-butyric acid methyl ester (PCBM), a star molecule in the fullerene field, has found wide applications in materials science. Here, the authors demonstrate the synthesis of buckyballs with fused-ring systems via electrosynthesis through radical α-C−H functionalization of the side-chain ester for both PCBM and its analogue.
- Publication
Nature Communications, 2023, Vol 14, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-023-43774-2