CAS OpenIR  > 中科院上海应用物理研究所2011-2020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; Zhang, JB; Yang, B; Zhang, WL; Gao, Y; Zhao, HW; Han, JG
2020
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN1463-9076
Volume22Issue:32Pages:17791-17797
Subtype期刊论文
AbstractThe 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.
KeywordX-RAY MOLECULAR-DYNAMICS WATER-STRUCTURE THZ SPECTRA ICE IONS HYSTERESIS PRINCIPLES SCATTERING PHASE
DOI10.1039/d0cp01571g
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/33081
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.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 Adv Res Inst, Zhangjiang Lab, Shanghai 201210, Peoples R China
4.Chinese Acad Sci, Shanghai Inst Appl Phys, Div Interfacial Water, Shanghai 201800, Peoples R China
5.Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China
6.Univ Chester, Fac Sci & Engn, Thornton Sci Pk, Chester CH2 4NU, Cheshire, England
7.Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA
Recommended Citation
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.
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