CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Terahertz Signatures of Hydrate Formation in Alkali Halide Solutions
Chen, LG; Ren, GH; Liu, LY; Guo, P; Wang, ED; Zhou, L; Zhu, ZJ; Zhang, JB; Yang, B; Zhang, WT; Li, YF; Zhang, WL; Gao, Y; Zhao, HW; Han, JG
2020
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY LETTERS
ISSN1948-7185
Volume11Issue:17Pages:7146-7152
Subtype期刊论文
AbstractWe systematically studied the ability of 20 alkali halides to form solid hydrates in the frozen state from their aqueous solutions by terahertz time-domain spectroscopy combined with density functional theory (DFT) calculations. We experimentally observed the rise of new terahertz absorption peaks in the spectral range of 0.3-3.5 THz in frozen alkali halide solutions. The DFT calculations prove that the rise of observed new peaks in solutions containing Li+, Na+, or F- ions indicates the formation of salt hydrates, while that in other alkali halide solutions is caused by the splitting phonon modes of the imperfectly crystallized salts in ice. As a simple empirical rule, the correlation between the terahertz signatures and the ability of 20 alkali halides to form a hydrate has been established.
KeywordLATTICE DISTORTION CRYSTAL-STRUCTURES NMR-SPECTROSCOPY WATER-MOLECULES SALTS DYNAMICS CHLORIDE ICE BROMIDE SPECTRA
DOI10.1021/acs.jpclett.0c02046
Indexed BySCI
Language英语
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/33186
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, Chester CH2 4NU, Cheshire, England
7.Guilin Univ Elect Technol, Guangxi Key Lab Optoelect Informat Proc, Guilin 541004, Peoples R China
8.Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA
Recommended Citation
GB/T 7714
Chen, LG,Ren, GH,Liu, LY,et al. Terahertz Signatures of Hydrate Formation in Alkali Halide Solutions[J]. JOURNAL OF PHYSICAL CHEMISTRY LETTERS,2020,11(17):7146-7152.
APA Chen, LG.,Ren, GH.,Liu, LY.,Guo, P.,Wang, ED.,...&Han, JG.(2020).Terahertz Signatures of Hydrate Formation in Alkali Halide Solutions.JOURNAL OF PHYSICAL CHEMISTRY LETTERS,11(17),7146-7152.
MLA Chen, LG,et al."Terahertz Signatures of Hydrate Formation in Alkali Halide Solutions".JOURNAL OF PHYSICAL CHEMISTRY LETTERS 11.17(2020):7146-7152.
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