Direct and indirect electron emission from the green fluorescent protein chromophore

Y. Toker; D. B. Rahbek; B. Klærke; A. V. Bochenkova; L. H. Andersen

doi:10.1103/PhysRevLett.109.128101

Direct and indirect electron emission from the green fluorescent protein chromophore

Y. Toker, D. B. Rahbek, B. Klærke, A. V. Bochenkova, L. H. Andersen

Aarhus University

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

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Abstract

Photoelectron spectra of the deprotonated green fluorescent protein chromophore have been measured in the gas phase at several wavelengths within and beyond the S ₀-S ₁ photoabsorption band of the molecule. The vertical detachment energy (VDE) was determined to be 2.68±0.1eV. The data show that the first electronically excited state is bound in the Franck-Condon region, and that electron emission proceeds through an indirect (resonant) electron-emission channel within the corresponding absorption band.

Original language	English
Article number	128101
Journal	Physical Review Letters
Volume	109
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevLett.109.128101
State	Published - 18 Sep 2012
Externally published	Yes

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abstract = "Photoelectron spectra of the deprotonated green fluorescent protein chromophore have been measured in the gas phase at several wavelengths within and beyond the S 0-S 1 photoabsorption band of the molecule. The vertical detachment energy (VDE) was determined to be 2.68±0.1eV. The data show that the first electronically excited state is bound in the Franck-Condon region, and that electron emission proceeds through an indirect (resonant) electron-emission channel within the corresponding absorption band.",

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AU - Rahbek, D. B.

AU - Klærke, B.

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AU - Andersen, L. H.

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AB - Photoelectron spectra of the deprotonated green fluorescent protein chromophore have been measured in the gas phase at several wavelengths within and beyond the S 0-S 1 photoabsorption band of the molecule. The vertical detachment energy (VDE) was determined to be 2.68±0.1eV. The data show that the first electronically excited state is bound in the Franck-Condon region, and that electron emission proceeds through an indirect (resonant) electron-emission channel within the corresponding absorption band.

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Direct and indirect electron emission from the green fluorescent protein chromophore

Abstract

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