Optical Properties of Tetrahydrofuran Clathrate Hydrates with Polyvinylpyrrolidone (THF + H2O + PVP) Revealed by Terahertz (THz) Time-Domain Spectroscopy

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"Terahertz time-domain spectroscopy (THz-TDS) was used to observe the tetrahydrofuran (THF) clathrate hydrate system with dosage of polyvinylpyrrolidone (PVP) with three different average molecular weights (10 000 g/mol, 40 000 g/mol, and 360 000 g/mol). Distinct footprints of phase transition in the THz region (0.4 THz to 2.2 THz) were analyzed and absorption coefficients and complex refractive indices are obtained and compared in the temperature range of 253 to 288 K. Along with the optical properties, ring breathing and stretching modes for different molecular weights of PVP in THF hydrate are analyzed by Raman spectroscopy."
Publisher
AMER CHEMICAL SOC
Issue Date
2015-02
Language
English
Article Type
Article
Keywords

RAMAN-SPECTROSCOPY; GROWTH; INHIBITION; DYNAMICS

Citation

JOURNAL OF CHEMICAL AND ENGINEERING DATA, v.60, no.2, pp.238 - 246

ISSN
0021-9568
DOI
10.1021/je5005092
URI
http://hdl.handle.net/10203/199805
Appears in Collection
CBE-Journal Papers(저널논문)
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