Ultrafast dynamics of gas-phase excited-state intramolecular proton transfer in 1-hydroxy-2-acetonaphthone

Chengii Lu; Re Ming R. Hsieh; I. Ren Lee; Po Yuan Cheng

doi:10.1016/S0009-2614(99)00717-4

Ultrafast dynamics of gas-phase excited-state intramolecular proton transfer in 1-hydroxy-2-acetonaphthone

Chengii Lu^*, Re Ming R. Hsieh, I. Ren Lee, Po Yuan Cheng

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

49 Citations (Scopus)

Abstract

The excited-state dynamics of 1-hydroxy-2-acetonaphthone (HAN) was studied in the gas phase using femtosecond time-resolved multiphoton ionization spectroscopy. Following femtosecond excitation to its S₁ state, HAN was found to exhibit a biexponential decay behavior which can be consistently interpreted in terms of rapid excited-state intramolecular proton transfer (ESIPT) followed by other slower decay channels. The results revealed that ESIPT in HAN (S₁) occurs in ~60-85 ps in the energy range studied and suggested the existence of an energy barrier to tautomerization.

Original language	English
Pages (from-to)	103-110
Number of pages	8
Journal	Chemical Physics Letters
Volume	310
Issue number	1-2
DOIs	https://doi.org/10.1016/S0009-2614(99)00717-4
Publication status	Published - 1999 Aug 27
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/S0009-2614(99)00717-4

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@article{21709e1e9c1e45ac977f7c6b22973d82,

title = "Ultrafast dynamics of gas-phase excited-state intramolecular proton transfer in 1-hydroxy-2-acetonaphthone",

abstract = "The excited-state dynamics of 1-hydroxy-2-acetonaphthone (HAN) was studied in the gas phase using femtosecond time-resolved multiphoton ionization spectroscopy. Following femtosecond excitation to its S1 state, HAN was found to exhibit a biexponential decay behavior which can be consistently interpreted in terms of rapid excited-state intramolecular proton transfer (ESIPT) followed by other slower decay channels. The results revealed that ESIPT in HAN (S1) occurs in ~60-85 ps in the energy range studied and suggested the existence of an energy barrier to tautomerization.",

author = "Chengii Lu and Hsieh, {Re Ming R.} and Lee, {I. Ren} and Cheng, {Po Yuan}",

note = "Funding Information: This work was supported by a grant (NSC88-2113-M-007-037) from the National Science Council of the Republic of China.",

year = "1999",

month = aug,

day = "27",

doi = "10.1016/S0009-2614(99)00717-4",

language = "English",

volume = "310",

pages = "103--110",

journal = "Chemical Physics Letters",

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number = "1-2",

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TY - JOUR

T1 - Ultrafast dynamics of gas-phase excited-state intramolecular proton transfer in 1-hydroxy-2-acetonaphthone

AU - Lu, Chengii

AU - Hsieh, Re Ming R.

AU - Lee, I. Ren

AU - Cheng, Po Yuan

N1 - Funding Information: This work was supported by a grant (NSC88-2113-M-007-037) from the National Science Council of the Republic of China.

PY - 1999/8/27

Y1 - 1999/8/27

N2 - The excited-state dynamics of 1-hydroxy-2-acetonaphthone (HAN) was studied in the gas phase using femtosecond time-resolved multiphoton ionization spectroscopy. Following femtosecond excitation to its S1 state, HAN was found to exhibit a biexponential decay behavior which can be consistently interpreted in terms of rapid excited-state intramolecular proton transfer (ESIPT) followed by other slower decay channels. The results revealed that ESIPT in HAN (S1) occurs in ~60-85 ps in the energy range studied and suggested the existence of an energy barrier to tautomerization.

AB - The excited-state dynamics of 1-hydroxy-2-acetonaphthone (HAN) was studied in the gas phase using femtosecond time-resolved multiphoton ionization spectroscopy. Following femtosecond excitation to its S1 state, HAN was found to exhibit a biexponential decay behavior which can be consistently interpreted in terms of rapid excited-state intramolecular proton transfer (ESIPT) followed by other slower decay channels. The results revealed that ESIPT in HAN (S1) occurs in ~60-85 ps in the energy range studied and suggested the existence of an energy barrier to tautomerization.

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DO - 10.1016/S0009-2614(99)00717-4

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JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 1-2

ER -

Ultrafast dynamics of gas-phase excited-state intramolecular proton transfer in 1-hydroxy-2-acetonaphthone

Abstract

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