Development of infrared electroabsorption spectroscopy for liquids

Hirotsugu Hiramatsu, Chihiro Kato, Hiro O. Hamaguchi

研究成果: Article査読

16 被引用数 (Scopus)

抄録

An infrared spectroscopic system has been constructed that is specifically designed for electroabsorption measurements of liquids. The system can detect electric-field-induced absorbance changes as small as one part in a million, two orders of magnitude better than the conventional difference spectrum method using FT-IR. Electroabsorption spectra of liquid 1,2-dichloroethane have been measured. The observed absorbance changes have been explained in terms of two dominant mechanisms; the change in the trans-gauche equilibrium, and the orientational polarization of the gauche conformer. It is demonstrated that infrared electroabsorption spectroscopy provides useful information on otherwise inaccessible electric properties of molecules in liquids.

本文言語English
ページ(範囲)403-409
ページ数7
ジャーナルChemical Physics Letters
347
4-6
DOI
出版ステータスPublished - 2001 10 26

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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