Fluorescence from the second excited singlet state of 3-hydroxyflavone in supercritical CO2

Chattopadhyay, Nitin ; Barroso, Monica ; Serpa, Carlos ; Arnaut, Luis G. ; Formosinho, Sebastião J. (2004) Fluorescence from the second excited singlet state of 3-hydroxyflavone in supercritical CO2 Chemical Physics Letters, 387 (4-6). pp. 258-262. ISSN 0009-2614

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/j.cplett.2004.02.021

Abstract

Fluorescence from the second excited singlet state (S2) of 3-hydroxyflavone (3HF) has been observed for the first time in supercritical carbon dioxide (sc-CO2) environment. Steady-state experiments reveal that the intramolecular proton transfer is less effective from the S2 state of 3HF compared to that from the S1 state.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:67418
Deposited On:31 Oct 2011 04:53
Last Modified:31 Oct 2011 04:53

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