Orientational ordering of alkyl chain at the air/liquid interface of ionic liquids studied by sum frequency vibrational spectroscopy

被引：115

作者：

Iimori, T

Iwahashi, T

Ishii, H

Seki, K

Ouchi, Y ^{[1
]}

Ozawa, R

Hamaguchi, H

Kim, D

机构：

[1] Nagoya Univ, Grad Sch Sci, Dept Chem, Chikusa Ku, Nagoya, Aichi 4648602, Japan

[2] Nagoya Univ, Res Ctr Mat Sci, Chikusa Ku, Nagoya, Aichi 4648602, Japan

[3] Univ Tokyo, Sch Sci, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan

[4] Sogang Univ, Dept Phys, Seoul 121742, South Korea

来源：

CHEMICAL PHYSICS LETTERS | 2004年 / 389卷 / 4-6期

关键词：

D O I：

10.1016/j.cplett.2004.03.099

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Orientation of cations at the air/liquid interfaces of the salts of 1-butyl-3-methyl imidazolium with tetrafluoroborate and hexafluorophosphate is studied using infrared-visible sum frequency vibrational spectroscopy. For both salts, quantitative analyses show that the terminal methyl group of the butyl chain is polar-oriented with its symmetry axis aligned nearly vertical to the surface. (C) 2004 Elsevier B.V. All rights reserved.

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页码：321 / 326

页数：6

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