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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U2 - 10.1016/S0009-2614(99)00717-4
DO - 10.1016/S0009-2614(99)00717-4
M3 - Article
AN - SCOPUS:0000584347
SN - 0009-2614
VL - 310
SP - 103
EP - 110
JO - Chemical Physics Letters
JF - Chemical Physics Letters
IS - 1-2
ER -