Charge-Dependent Modulation of S–H vs O–H Excited-State Intramolecular Proton Transfer

Chi-Chi Wu; Hao-Cheng Tsai; Hau-Yu Liu; Ya-Chen Lin; Chih‐Hsing Wang; Alexander P. Demchenko; CHAO-TSEN CHEN; Pi-Tai Chou

doi:10.1039/d5sc10166b

January 1, 2026Chemical ScienceOpen Access

Charge-Dependent Modulation of S–H vs O–H Excited-State Intramolecular Proton Transfer

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Key Points

The aim is to quantitatively link charge redistribution to the behavior of excited-state intramolecular proton transfer (ESIPT).
Utilized electronic coupling analysis to assess excited-state behavior.
Investigated substituent effects on proton-transfer dynamics.
Employed quantitative measurements of charge redistribution.
Established a significant relationship between charge redistribution and ESIPT behavior.
Demonstrated that substituent effects substantially influence proton transfer rates.
Revealed that electronic interactions correlate with observed proton-transfer dynamics.

Implication

Research explores how charge affects proton transfer dynamics in molecular systems, indicating key electrochemical implications.

Abstract

Substituent effects critically influence electronic coupling and proton-transfer dynamics in excited-state intramolecular proton transfer (ESIPT), yet a quantitative link between charge redistribution and ESIPT behavior remains elusive. Here, we employ...

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Cite This Study

Wu et al. (2026) studied this question.

synapsesocial.com/papers/69d5f0bb74eaea4b11a7a285 https://doi.org/10.1039/d5sc10166b

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Charge-Dependent Modulation of S–H vs O–H Excited-State Intramolecular Proton Transfer

Key Points

Implication

Abstract

Discussion

Cite This Study

Charge-Dependent Modulation of S–H vs O–H Excited-State Intramolecular Proton Transfer

Key Points

Implication

Abstract

Discussion

Cite This Study

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