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

doi:10.1039/c8cp04570d

CORC > 上海应用物理研究所 > 中国科学院上海应用物理研究所 > 中科院上海应用物理研究所2011-2017年

	Monitoring cis-to-trans isomerization of azobenzene using terahertz time-domain spectroscopy
	Zhou, L ; Chen, LG ; Ren, GH ; Zhu, ZJ ; Zhao, HW ; Wang, HB ; Zhang, WL ; Han, JG
刊名	PHYSICAL CHEMISTRY CHEMICAL PHYSICS
	2018
卷号	20 期号:42 页码:27205-27213
关键词	PHOTOISOMERIZATION DYNAMICS KINETICS POLARITY SPECTRA SOLVENT
ISSN号	1463-9076
DOI	10.1039/c8cp04570d
文献子类	期刊论文
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.
语种	英语
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/31036]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
作者单位	1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China 2.Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA 3.Tianjin Univ, Ctr Terahertz Waves, Tianjin 300072, Peoples R China 4.Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China 5.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing Engn Res Ctr High Resolut & Three Dimen, Chongqing 400714, Peoples R China
推荐引用方式 GB/T 7714	Zhou, L,Chen, LG,Ren, GH,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, L.,Chen, LG.,Ren, GH.,Zhu, ZJ.,Zhao, HW.,...&Han, JG.(2018).Monitoring cis-to-trans isomerization of azobenzene using terahertz time-domain spectroscopy.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,20(42),27205-27213.
MLA	Zhou, L,et al."Monitoring cis-to-trans isomerization of azobenzene using terahertz time-domain spectroscopy".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 20.42(2018):27205-27213.