Issue 6, 2003
From the journal:

Analyst

Fluorescence correlation spectroscopic studies of diffusion within the ionic liquid1-butyl-3-methylimidazolium hexafluorophosphate†

James H. Werner,a   Sheila N. Bakerb  and  Gary A. Baker*a  

* Corresponding authors

a Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
E-mail: gabaker@lanl.gov
Fax: 1-505-667-0851
Tel: 1-505-665-6910

b Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
E-mail: sbaker@lanl.gov
Tel: 1-505-667-2658

Abstract

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.

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Article information

DOI
https://doi.org/10.1039/B300734K
Article type
Paper
Submitted
17 Jan 2003
Accepted
27 Feb 2003
First published
03 Apr 2003

Analyst, 2003,128, 786-789

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

J. H. Werner, S. N. Baker and G. A. Baker, Analyst, 2003, 128, 786 DOI: 10.1039/B300734K

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