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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus

IMPACT FACTOR 2017: 1.144
5-year IMPACT FACTOR: 1.144

CiteScore 2018: 1.20

SCImago Journal Rank (SJR) 2018: 0.327
Source Normalized Impact per Paper (SNIP) 2018: 0.391

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Volume 225, Issue 9-10


Photodecarbonylation of Diphenylcyclopropenone – a Direct Pathway to Electronically Excited Diphenylacetylene?

Hendrik Vennekate
Published Online: 2011-09-08 | DOI: https://doi.org/10.1524/zpch.2011.0164


A comparison of combined IR and UV/Vis pump-probe measurements of diphenylcyclopropenone (DPCP) and diphenylacetylene (DPA) provides clear evidence that the photodecarbonylation of DPCP following excitation to its S2-state proceeds non-adiabatically to the electronic ground state of DPA. It is shown that transient absorption of electronically excited DPA is caused exclusively by photoexcitation of ground state DPA generated by preceding DPCP photodecarbonylation.

Keywords: Reaction dynamics; Photochemistry; Femtoseond IR-Spectroscopy

About the article

* Correspondence address: Max-Planck-Institute of Biophysical Chemistry,, Am Faßberg 11, 37077 Göttingen,

Published Online: 2011-09-08

Published in Print: 2011-10-01

Citation Information: Zeitschrift für Physikalische Chemie, Volume 225, Issue 9-10, Pages 1089–1104, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1524/zpch.2011.0164.

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