Fluorescence correlation spectroscopic studies of diffusion within the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate

被引：61

作者：

Werner, JH

Baker, SN

Baker, GA

机构：

[1] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA

[2] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA

来源：

ANALYST | 2003年 / 128卷 / 06期

关键词：

D O I：

10.1039/b300734k

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Fluorescence correlation spectroscopy (FCS) measurements have been performed in order to determine the translational diffusion coefficients of three differently charged fluorescent probes (cationic: rhodamine 6G, neutral: 4-dicyanomethylene-2-methyl-6-p-dimethylaminostyryl-4-H-pyran, DCM, and anionic: fluorescein) dissolved within the common room temperature ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate, [bmim][PF6]. These experiments demonstrate that FCS is a rapid, sensitive, precise (typical RSD from 4-8%), and low-consumption screening tool for the determination of analyte mobility within microliter ionic liquid samples.

引用

收藏

页码：786 / 789

页数：4

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