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Electrochemical and Surface-enhanced Raman Spectroscopic Studies of CO and Methanol Oxidation

Yang, Yuqing
http://rave.ohiolink.edu/etdc/view?acc_num=miami1218126135

Abstract Details

2008, Master of Science, Miami University, Chemistry and Biochemistry.
Molecular level information for carbon monoxide and methanol electrooxidation is provided by in situ surface-enhanced Raman spectroscopy (SERS) in this work for better understanding the mechanism of CO and methanol electrooxidation on transition metals. Electrooxidation of CO and methanol on transition metals are studied by cyclic voltammetry and in situ SERS. Thickness effect of overlayer metals on CO adsorption and oxidation activity is studied and explained by the strain effect and ligand effect. The cumulative effect for CO oxidation on Pd is the positive shift of CO oxidation peak position. Both the strain effect and ligand effect cause the negative shift of CO oxidation on Pt. Methanol electrooxidation on Ru is demonstrated by the C-O stretching band from COads on Ru oxide in SER spectra, which suggests that at higher potentials methanol oxidation on Ru sites needs to be taken into account in the catalytic mechanism of Pt-Ru catalysts in the direct methanol fuel cell.
Shouzhong Zou (Advisor)
James Cox (Committee Chair)
Neil Danielson (Committee Member)
Benjamin Gung (Committee Member)
Chemistry
CO oxidation; methanol oxidation; electrochemistry; SERS

Recommended Citations

Citations

  • Yang, Y. (2008). Electrochemical and Surface-enhanced Raman Spectroscopic Studies of CO and Methanol Oxidation [Master's thesis, Miami University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=miami1218126135

    APA Style (7th edition)

  • Yang, Yuqing. Electrochemical and Surface-enhanced Raman Spectroscopic Studies of CO and Methanol Oxidation. 2008. Miami University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=miami1218126135.

    MLA Style (8th edition)

  • Yang, Yuqing. "Electrochemical and Surface-enhanced Raman Spectroscopic Studies of CO and Methanol Oxidation." Master's thesis, Miami University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=miami1218126135

    Chicago Manual of Style (17th edition)

miami1218126135
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© 2008, all rights reserved.
This open access ETD is published by Miami University and OhioLINK.