University of Illinois Urbana-Champaign

Characterization of Silicotungstate Anion Modified Metal Surfaces

Lee, Lien

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Description

Title
Characterization of Silicotungstate Anion Modified Metal Surfaces
Author(s)
Lee, Lien
Issue Date
2001
Doctoral Committee Chair(s)
Gewirth, Andrew A.
Department of Study
Chemistry
Discipline
Chemistry
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Chemistry, Inorganic
Language
eng
Abstract
Multilayer-like features were observed on Ag surfaces when the potential was cycled negative of the onset of the first redox couple of alpha-H 4SiW12O40. QCM measurements suggested that negative potentials attracted alpha-SiW12O404- near Ag surfaces. XPS data qualitatively indicated that more alpha-SiW 12O404- was on Ag surfaces after potential cycle treatment. The multilayer-like features of alpha-H4SiW 12O40 on Ag surfaces were also suggested by X-ray specular reflectivity and STM measurements.
Graduation Semester
2001
Type of Resource
text
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http://hdl.handle.net/2142/84508

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