Self-contained photo-acid generators with high quantum yields triggered by photo-cyclization

Zixuan Xu; Zhaoyu Wang; Yanyun Zhang; Xiaokang Yao; Meijuan Ding; Huifang Shi; Zhongfu An

doi:10.1039/D2CC04941D

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Self-contained photo-acid generators with high quantum yields triggered by photo-cyclization†

Zixuan Xu,^a Zhaoyu Wang,^a Yanyun Zhang,^a Xiaokang Yao,^a Meijuan Ding,^a Huifang Shi*^a and Zhongfu An

*^a

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* Corresponding authors

^a Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, P. R. China
E-mail: iamzfan@njtech.edu.cn, iamhfshi@njtech.edu.cn

Abstract

We present a novel series of neutral photo-acid generators (PAGs) based on carbazole derivatives. A photo-induced 6π-electrocyclization reaction of carbazole derivatives triggers the subsequent release of halogen acids. With UV irradiation, PAGs spontaneously release acid molecules quantitatively forming polyaromatic compounds. To our knowledge, it is considered the highest quantum yield (over 85%) among Brønsted PAGs.

This article is part of the themed collection: Photofunctional Materials and Transformations

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DOI: https://doi.org/10.1039/D2CC04941D
Article type: Communication
Submitted: 07 Sep 2022
Accepted: 26 Oct 2022
First published: 04 Nov 2022

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Chem. Commun., 2022,58, 13266-13269

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Self-contained photo-acid generators with high quantum yields triggered by photo-cyclization

Z. Xu, Z. Wang, Y. Zhang, X. Yao, M. Ding, H. Shi and Z. An, Chem. Commun., 2022, 58, 13266 DOI: 10.1039/D2CC04941D

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Chemical Communications

Self-contained photo-acid generators with high quantum yields triggered by photo-cyclization†

Abstract

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Self-contained photo-acid generators with high quantum yields triggered by photo-cyclization

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