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Monitoring cis-to-trans isomerization of azobenzene using terahertz time-domain spectroscopy

文献类型：期刊论文

作者Zhou, Lu1,2; Chen, Ligang1,2; Ren, Guanhua1,2; Zhu, Zhongjie3; Zhao, Hongwei3; Wang, Huabin4; Zhang, Weili1,2,5; Han, Jiaguang1,2
刊名PHYSICAL CHEMISTRY CHEMICAL PHYSICS
出版日期2018-11-14
卷号20期号:42页码:27205-27213
ISSN号1463-9076
DOI10.1039/c8cp04570d
通讯作者Zhang, Weili(weili.zhang@okstate.edu) ; Han, Jiaguang(jiaghan@tju.edu.cn)
英文摘要We present terahertz time-domain spectroscopy (THz-TDS) to explore the conformational dynamics of thermally induced and photoinduced isomerization of azobenzene. The essence of the method is that isomerization of azobenzene proceeds via large structural changes in the molecule, while the THz response is sensitive to these changes. We experimentally demonstrate that the THz spectra of azobenzene show remarkable variations upon heating and irradiation, and as such quantitatively recorded and identified THz spectroscopy can be used to monitor the isomerization process. Specifically, the measured THz spectra clearly reveal that the rate of thermal-isomerization from cis-to-trans in non-polar solvents is faster than that in polar solvents, and an about 6-fold acceleration of the rate could be achieved when Au NPs were introduced as a catalyst into azobenzenes. Moreover, we provide evidence that the temperature and Au NP catalyst do not have an obvious influence on the photoinduced isomerization of azobenzene. The presented example illustrates the power of the THz-TDS method to open up a novel avenue for exploring molecular dynamics.
资助项目National Key Research and Development Program of China[2017YFA0701004] ; National Natural Science Foundation of China[61875150] ; National Natural Science Foundation of China[61735012] ; National Natural Science Foundation of China[61420106006] ; National Natural Science Foundation of China[61427814] ; National Natural Science Foundation of China[61605143]
WOS研究方向Chemistry ; Physics
语种英语
WOS记录号WOS:000451351500044
出版者ROYAL SOC CHEMISTRY
源URL[http://119.78.100.138/handle/2HOD01W0/7069]  
专题中国科学院重庆绿色智能技术研究院
通讯作者Zhang, Weili; Han, Jiaguang
作者单位1.Tianjin Univ, Ctr Terahertz Waves, Tianjin 300072, Peoples R China
2.Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
4.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing Engn Res Ctr High Resolut & Three Dimen, Chongqing 400714, Peoples R China
5.Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA
推荐引用方式
GB/T 7714		 Zhou, Lu,Chen, Ligang,Ren, Guanhua,et al. Monitoring cis-to-trans isomerization of azobenzene using terahertz time-domain spectroscopy[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2018,20(42):27205-27213.
APA Zhou, Lu.,Chen, Ligang.,Ren, Guanhua.,Zhu, Zhongjie.,Zhao, Hongwei.,...&Han, Jiaguang.(2018).Monitoring cis-to-trans isomerization of azobenzene using terahertz time-domain spectroscopy.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,20(42),27205-27213.
MLA Zhou, Lu,et al."Monitoring cis-to-trans isomerization of azobenzene using terahertz time-domain spectroscopy".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 20.42(2018):27205-27213.

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来源：重庆绿色智能技术研究院

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