Primary photoinduced processes in tryptophan tracked with sub-20-fs UV pulses

P. Kabaciński; R. Borrego-Varillas; B. E. Nogueira de Faria; M.G. Gentile; I. Conti; S. De Silvestri; M. Garavelli; A. M. De Paula; G. Cerullo

doi:10.1364/UP.2020.M4B.26

The 22nd International Conference on Ultrafast Phenomena 2020
OSA Technical Digest (Optica Publishing Group, 2020),
paper M4B.26
•https://doi.org/10.1364/UP.2020.M4B.26

Primary photoinduced processes in tryptophan tracked with sub-20-fs UV pulses

P. Kabaciński, R. Borrego-Varillas, B. E. Nogueira de Faria, M.G. Gentile, I. Conti, S. De Silvestri, M. Garavelli, A. M. De Paula, and G. Cerullo

International Conference on Ultrafast Phenomena 2020

Washington, D.C. United States
16–19 November 2020
ISBN: 978-1-943580-83-5

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Poster Session II (M4B)

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P. Kabaciński, R. Borrego-Varillas, B. E. Nogueira de Faria, M. G. Gentile, I. Conti, S. De Silvestri, M. Garavelli, A. M. De Paula, and G. Cerullo, "Primary photoinduced processes in tryptophan tracked with sub-20-fs UV pulses," in The 22nd International Conference on Ultrafast Phenomena 2020, F. Kärtner, M. Khalil, R. Li, F. Légaré, and T. Tahara, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper M4B.26.

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Abstract

We report sub-20-fs resolution UV transient absorption measurements, supported by ab-initio simulations, of the primary photoinduced processes of tryptophan in solution. We show internal conversion occurring in 300-fs followed by intersystem crossing in 1-ps.

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