Study of transient absorption spectroscopy of a D–π–A structure aggregation-induced emission luminogen and its photodynamic therapy application

Author:

Zhang Siwei1ORCID,Wang Junqiao2,Wang Zaiyu1,Shao Ming3,Zhang Chen4,Chen Xinmeng1,Sun Jianwei1ORCID,Kwok Ryan Tsz Kin1,Lam Jacky Wing Yip1ORCID,Tang Ben Zhong15ORCID

Affiliation:

1. Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Kowloon 999077, Hong Kong, China

2. Open FIESTA, Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China

3. Department of Central Laboratory, the Second Affiliated Hospital, School of Medicine, The Chinese University of Hong Kong, Shenzhen & Longgang District People's Hospital of Shenzhen, Shenzhen, 518172, China

4. The State Key Laboratory of Chemical Oncogenomics, Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China

5. School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen (CUHK-Shenzhen), Guangdong 518172, P. R. China

Abstract

Transient absorption spectroscopy has revealed that AIEgens exhibit a more rapid and facile excited-state molecular motion in the solution state compared to the aggregate state, implying the predominance of nonradiative decay in the solution state.

Funder

Innovation and Technology Commission

Science, Technology and Innovation Commission of Shenzhen Municipality

Publisher

Royal Society of Chemistry (RSC)

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