Clay Nanoparticle-Supported Single-Molecule Fluorescence Spectroelectrochemistry
Journal Article
·
· Nano Letters, 9(2):655-658
We report single-molecule fluorescence spectroelectrochemistry on a clay-modified ITO electrode using cresyl violet as a redox fluorescent probe. Ensemble averaged experiments show that cresyl violet displays well-defined cyclic voltammograms when adsorbed on the clay-modified electrode. By probing the fluorescence intensity of a single cresyl violet molecule absorbed on clay surface, we can trace the redox reaction of individual molecules induced by the cyclic voltammetric potential scanning. Inhomogeneous interfacial electron transfer dynamics of the immobilized single cresyl violet molecules on the clay-modified surface were observed.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (US), Environmental Molecular Sciences Laboratory (EMSL)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 950156
- Report Number(s):
- PNNL-SA-61456; 25669; KC0304000
- Journal Information:
- Nano Letters, 9(2):655-658, Journal Name: Nano Letters, 9(2):655-658 Journal Issue: 2 Vol. 9
- Country of Publication:
- United States
- Language:
- English
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