标题: Photo-impulsive reactions in the electronic ground state without electronic excitation: non-photo, non-thermal chemical reactions
作者: Iwakura, Izumi
Yabushita, Atsushi
Liu, Jun
Okamura, Kotaro
Kobayashi, Takayoshi
電子物理學系
Department of Electrophysics
公开日期: 2012
摘要: Allyl phenyl ether has an absorption band in the ultraviolet region (lambda < 400 nm); therefore, irradiation with few-optical-cycle ultraviolet pulses (lambda = 360-440 nm) causes a transition to the ultraviolet band, which leads to an electronic state and a photo-Claisen rearrangement (radical reaction) in the electronic excited state. However, the reaction scheme of allyl phenyl ether under irradiation with few-optical-cycle visible pulses (lambda = 525-725 nm) was determined to be same as that of the thermal Claisen rearrangement ([3,3]-sigmatropic rearrangement), which is symmetry-allowed in the electronic ground state. Photo-excitation with few-optical cycle visible pulses below the absorption band induces a photo-impulsive reaction in the electronic ground state without electronic excitation, of which the trigger scheme is different from that of photoreaction or thermal-reaction. The photo-impulsive reaction in the electronic ground state is highly possible as a novel reaction scheme.
URI: http://hdl.handle.net/11536/16570
ISSN: 1463-9076
期刊: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume: 14
Issue: 27
结束页: 9696
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