The excited-state double proton transfer (ES-DPT) properties of 1,5-dihydroxyanthraquinone (1,5-DHAQ) in various solvents were investigated using femtosecond transient absorption spectroscopy and the DFT/TDDFT method. The steady-state fluorescence spectra in toluene, tetrahydrofuran (THF) and acetonitrile (ACN) solvents presented that the solvent polarity has an effect on the position of the ESDPT fluorescence emission peak for the 1,5-DHAQ system. Transient absorption spectra show that the increasing polarity of the solvent accelerates the rate of excited state dynamics. Calculated potential energy curves analysis further verified the experimental results. The ESDPT barrier decreases gradually with the increase of solvent polarity from toluene, THF to ACN solvent. It is convinced that the increase of solvent polarity can promote the occurrence of the ESDPT dynamic processes for the 1,5-DHAQ system. This work clarifies the mechanism of the influence of solvent polarity on the ESDPT process of 1,5-DHAQ, which provides novel ideas for design and synthesis of new hydroxyanthraquinone derivatives.
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April 2022
Research Article|
April 01 2022
Effect of solvent polarity on excited-state double proton transfer process of 1,5-dihydroxyanthraquinone†
Zheng-Ran Wang;
Zheng-Ran Wang
Institute of Atomic and Molecular Physics, Jilin University
, Changchun 130012, China
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Li-Xia Zhu;
Li-Xia Zhu
Institute of Atomic and Molecular Physics, Jilin University
, Changchun 130012, China
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Xing-Lei Zhang;
Xing-Lei Zhang
Institute of Atomic and Molecular Physics, Jilin University
, Changchun 130012, China
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Bo Li;
Bo Li
Institute of Atomic and Molecular Physics, Jilin University
, Changchun 130012, China
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Yu-Liang Liu;
Yu-Liang Liu
Institute of Atomic and Molecular Physics, Jilin University
, Changchun 130012, China
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Yong-Feng Wan;
Yong-Feng Wan
Institute of Atomic and Molecular Physics, Jilin University
, Changchun 130012, China
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Qi Li;
Qi Li
Institute of Atomic and Molecular Physics, Jilin University
, Changchun 130012, China
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Yu Wan;
Yu Wan
Institute of Atomic and Molecular Physics, Jilin University
, Changchun 130012, China
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Hang Yin;
Hang Yin
Institute of Atomic and Molecular Physics, Jilin University
, Changchun 130012, China
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Ying Shi
Ying Shi
*
Institute of Atomic and Molecular Physics, Jilin University
, Changchun 130012, China
*Author to whom correspondence should be addressed. E-mail: [email protected]
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*Author to whom correspondence should be addressed. E-mail: [email protected]
†
Part of Special Issue “In Memory of Prof. Nanquan Lou on the occasion of his 100th anniversary”.
Chin. J. Chem. Phys. 35, 289–294 (2022)
Article history
Received:
November 27 2021
Accepted:
December 15 2021
Citation
Zheng-Ran Wang, Li-Xia Zhu, Xing-Lei Zhang, Bo Li, Yu-Liang Liu, Yong-Feng Wan, Qi Li, Yu Wan, Hang Yin, Ying Shi; Effect of solvent polarity on excited-state double proton transfer process of 1,5-dihydroxyanthraquinone. Chin. J. Chem. Phys. 1 April 2022; 35 (2): 289–294. https://doi.org/10.1063/1674-0068/cjcp2111251
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