Photodissociation of thymine

文献情報

出版日 2006-02-22

DOI 10.1039/B518443F

インパクトファクター 3.676

著者

Theofanis Kitsopoulos, Luis R. Lago

原文を見る

要旨

We discuss the photochemistry and photodissociation dynamics of thymine as revealed by two-colour photofragment Doppler spectroscopy and by one-colour slice imaging. Thymine is optically excited into the ππ* state, known to deactivate quickly. The H atom photofragment spectra are dominated by two-photon excitation processes with subsequent statistical dissociation. This can be explained by absorption of a second photon from a long-lived dark state to a highly excited state that quickly deactivates to the electronic ground state. No evidence was found for an important role of the πσ* excited state identified in adenine and many other heterocyclic molecules.

掲載誌

Physical Chemistry Chemical Physics

CiteScore: 5.5

自己引用率: 10.3%

年間論文数: 3036

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