| Literature DB >> 12837068 |
Thomas Schultz1, Jason Quenneville, Benjamin Levine, Alessandro Toniolo, Todd J Martínez, Stefan Lochbrunner, Michael Schmitt, James P Shaffer, Marek Z Zgierski, Albert Stolow.
Abstract
The excited-state dynamics of trans-azobenzene were investigated by femtosecond time-resolved photoelectron spectroscopy and ab initio molecular dynamics. Two near-degenerate pipi* excited states, S2 and S3,4, were identified in a region hitherto associated with only one excited state. These results help to explain contradictory reports about the photoisomerization mechanism and the wavelength dependence of the quantum yield. A new model for the isomerization mechanism is proposed.Entities:
Year: 2003 PMID: 12837068 DOI: 10.1021/ja021363x
Source DB: PubMed Journal: J Am Chem Soc ISSN: 0002-7863 Impact factor: 15.419