Tracking azobenzene photoisomerization with sub-20-fs UV pulses
説明
Azobenzene (AB) is a diazene derivative where both hydrogens are replaced by phenyl groups. Under irradiation with UV light, it undergoes ultrafast trans→cis isomerization; the inverse cis→trans isomerization can be driven by light or occurs thermally in dark. AB photochromic properties enable its application as a light triggered switch in numerous molecular devices and functional materials [1]. Here we use femtosecond pumpprobe and two-dimensional electronic spectroscopy in the UV range (2DUV) with sub-20-fs time resolution, combined with ab initio quantum mechanics simulations, to study the initial dynamics of trans-AB isomerization with unprecedented mechanistic detail.
収録刊行物
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- 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
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2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) 1-1, 2017-06-01
IEEE