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Environment-dependent Ultrafast Photoisomerization Dynamics in Azo Dye

Environment-dependent Ultrafast Photoisomerization Dynamics in Azo Dye

Chun-Chih Hsu, Yu-Ting Wang, Atsushi Yabushita, Chih-Wei Luo, Yi-Nan Hsiao, Shiuan-Huei Lin, Takayoshi Kobayashi

J Phys Chem A. 2011 Oct 27;115(42):11508-14.

PMID: 21916471

Abstract:

Azoaromatic dyes have been extensively investigated over the past decade due to their potential use in a variety of optical devices that exploit their ultrafast photoisomerization processes. Among the azoaromatic dyes, Disperse Red 19 is a commercially available azobenzene nonlinear optical chromophore with a relatively high ground-state dipole moment. In the present study, we used ultrafast time-resolved spectroscopy to clarify the dynamics of a push-pull substituted azobenzene dye. Solution and film samples exhibited different ultrafast dynamics, indicating that the molecular environment affects the photoisomerization dynamics of the dye.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP2734523	Disperse Red 19		2734-52-3	Price

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