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Excited-State Relaxation of Protonated Adenine by Dirk Nolting; Rainer Weinkauf; Ingolf V. Hertel; Thomas Schultz is a Chemistry article available to read on EtoBox.

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## Abstract The excited state dynamics of protonated adenine in the gas phase were investigated by femtosecond pump–probe transient mass spectroscopy. Adenine was protonated in an electrospray ionization source and transferred to a Paul trap. Two femtosecond laser pulses at 266 nm and 800 nm excited the lowest electronic π__π__\* state and probed the excited‐state dynamics by monitoring ion fragment formation. The measured excited state decay is monoexponential with a lifetime shorter than 161 fs. This agrees with a theoretical prediction of very fast internal conversion via a conical intersection with the ground state.

Who reads Excited-State Relaxation of Protonated Adenine?

Author

Dirk Nolting; Rainer Weinkauf; Ingolf V. Hertel; Thomas Schultz

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1439-4235)

Published

2007

Language

EN

Field

Chemistry (Physical Sciences)