Probing NaCl hydrate formation from aqueous solutions by terahertz time-domain spectroscopy

doi:10.1039/d0cp01571g

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

	Probing NaCl hydrate formation from aqueous solutions by terahertz time-domain spectroscopy
	Chen, LG ; Ren, GH ; Liu, LY ; Guo, P ; Wang, ED ; Zhu, ZJ ; Yang, JR ; Shen, JX ; Zhang, ZC ; Zhou, L
刊名	PHYSICAL CHEMISTRY CHEMICAL PHYSICS
	2020
卷号	22 期号:32 页码:17791-17797
关键词	X-RAY MOLECULAR-DYNAMICS WATER-STRUCTURE THZ SPECTRA ICE IONS HYSTERESIS PRINCIPLES SCATTERING PHASE
ISSN号	1463-9076
DOI	10.1039/d0cp01571g
文献子类	期刊论文
英文摘要	The cooling-induced formation of a hydrate in aqueous NaCl solutions was probed using terahertz time-domain spectroscopy (THz-TDS). It was found that the NaCl hydrate formation is accompanied by the emergence of four new absorption peaks at 1.60, 2.43, 3.34 and 3.78 THz. Combining X-ray diffraction measurements with solid-state based density functional theory (DFT) calculations, we assign the observed terahertz absorption peaks to the vibrational modes of the formed NaCl center dot 2H(2)O hydrate during cooling. This work shows that THz-TDS based analysis has great potential in studying ionic hydrates and the newly revealed collective vibrational modes could be sensitive indicators to achieve quantitative analysis in phase transitions and lattice dynamics.
语种	英语
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/33081]
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.Univ Chester, Fac Sci & Engn, Thornton Sci Pk, Chester CH2 4NU, Cheshire, England 2.Tianjin Univ, Ctr Terahertz Waves, Tianjin 300072, Peoples R China 3.Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China 4.Chinese Acad Sci, Shanghai Adv Res Inst, Zhangjiang Lab, Shanghai 201210, Peoples R China 5.Chinese Acad Sci, Shanghai Inst Appl Phys, Div Interfacial Water, Shanghai 201800, Peoples R China 6.Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China 7.Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA
推荐引用方式 GB/T 7714	Chen, LG,Ren, GH,Liu, LY,et al. Probing NaCl hydrate formation from aqueous solutions by terahertz time-domain spectroscopy[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2020,22(32):17791-17797.
APA	Chen, LG.,Ren, GH.,Liu, LY.,Guo, P.,Wang, ED.,...&Han, JG.(2020).Probing NaCl hydrate formation from aqueous solutions by terahertz time-domain spectroscopy.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,22(32),17791-17797.
MLA	Chen, LG,et al."Probing NaCl hydrate formation from aqueous solutions by terahertz time-domain spectroscopy".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 22.32(2020):17791-17797.