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- Schultz, Thomas
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Mechanism and dynamics of azobenzene photoisomerization
- Author(s)
- Schultz, Thomas, Quenneville, J, Levine, B, Toniolo, A, Martinez, TJ, Lochbrunner, S, Schmitt, M, Shaffer, JP, Zgierski, MZ, Stolow, A
- Issued Date
- 2003-07
- Citation
- JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.125, no.27, pp.8098 - 8099
- Abstract
- The excited-state dynamics of trans-azobenzene were investigated by femtosecond time-resolved photoelectron spectroscopy and ab initio molecular dynamics. Two near-degenerate ππ* 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.
- Publisher
- AMER CHEMICAL SOC
- ISSN
- 0002-7863
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