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case1270148716.pdf (1.99 MB)
ETD Abstract Container
Abstract Header
Surface Studies on Diamond Electrodes in Non-Aqueous Electrolytes
Author Info
Schreiber, Jessica L.
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=case1270148716
Abstract Details
Year and Degree
2010, Master of Sciences (Engineering), Case Western Reserve University, Chemical Engineering.
Abstract
The surface composition of boron-doped diamond electrode sensors is of utmost importance to their detection capabilities and electrochemical properties. Surface modification occurs electrochemically in aqueous solutions where the reactions at the potential window limits are hypothesized to involve interactions with the diamond surface. These mechanisms do not apply to the potential window in non-aqueous environments, which is not limited by the breakdown of water. Addition of oxygen species to the diamond surface was monitored through ex situ X-ray photoelectron spectroscopy after treatment in air-tight, non-aqueous environments. Cathodic polarization behavior of diamond supports that outer sphere electron-transfer reactions involving the supporting electrolyte do not experience surface interaction. Surface oxygen increases are likely attributed to adsorbed or bound hydroxyl groups from water impurities. Cathodic polarization may induce hydrogen evolution, due to trace amounts of water, and create free radical surface sites that can bind to oxygen species.
Committee
Heidi Martin, PhD (Committee Chair)
Alfred Anderson, PhD (Committee Member)
Jay Mann, PhD (Committee Member)
Pages
82 p.
Subject Headings
Chemical Engineering
Keywords
diamond electrode
;
non-aqueous electrolytes
;
potential window
;
surface oxygen
Recommended Citations
Refworks
EndNote
RIS
Mendeley
Citations
Schreiber, J. L. (2010).
Surface Studies on Diamond Electrodes in Non-Aqueous Electrolytes
[Master's thesis, Case Western Reserve University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=case1270148716
APA Style (7th edition)
Schreiber, Jessica.
Surface Studies on Diamond Electrodes in Non-Aqueous Electrolytes.
2010. Case Western Reserve University, Master's thesis.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=case1270148716.
MLA Style (8th edition)
Schreiber, Jessica. "Surface Studies on Diamond Electrodes in Non-Aqueous Electrolytes." Master's thesis, Case Western Reserve University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=case1270148716
Chicago Manual of Style (17th edition)
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Document number:
case1270148716
Download Count:
946
Copyright Info
© 2010, some rights reserved.
Surface Studies on Diamond Electrodes in Non-Aqueous Electrolytes by Jessica L. Schreiber is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Based on a work at etd.ohiolink.edu.
This open access ETD is published by Case Western Reserve University School of Graduate Studies and OhioLINK.