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Communication : autodetachment versus internal conversion from the S1 state of the isolated GFP chromophore anion.

West, C.W. and Hudson, A.S. and Cobb, S.L. and Verlet, J.R.R. (2013) 'Communication : autodetachment versus internal conversion from the S1 state of the isolated GFP chromophore anion.', Journal of chemical physics., 139 (7). 071104.

Abstract

The anionic form of p-hydroxybenzylidene-2,3-dimethylimidazolinone (HBDI) has been extensively employed as a model of the chromophore of the green fluorescence protein. The bright S1 excited state HBDI− has a measured lifetime of 1.4 ps in the gas-phase and is dominated by two non-radiative decay mechanisms: internal conversion and autodetachment into the neutral continuum. Here, time-resolved photoelectron spectroscopy has been used to determine the yields of these two channels from which the lifetime for autodetachment was found to be ∼30 ps.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1063/1.4819078
Publisher statement:© 2013 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in The Journal of Chemical Physics 139 (7), 071104 (2013) and may be found at http://dx.doi.org/10.1063/1.4819078.
Date accepted:No date available
Date deposited:22 January 2015
Date of first online publication:August 2013
Date first made open access:No date available

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