{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/84473"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/84473","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Structure/reactivity Study of Methanol Fuel Cell Catalysts: NMR, FTIR, and Electrochemistry","abstract":"Catalytic reactivity of Ru doped Pt nanoparticles for methanol electrooxidation reactions were also investigated, for both a commercially available Pt/Ru alloy and Pt nanoparticles doped with a spontaneously deposited sub-monolayer of Ru. An increase in catalytic activity was measured for samples containing higher percentages of metallic Ru. 13C NMR of adsorbed CO on Ru modified Pt nanoparticles show a correlation between the Pt-CO bond strength, supporting the ligand enhancement mechanism. Aside from simple potential pretreatment of the catalyst surface, alterations of the Pt crystal lattice were attempted to preferentially form Pt(111) facets.","abstract_html":"Catalytic reactivity of Ru doped Pt nanoparticles for methanol electrooxidation reactions were also investigated, for both a commercially available Pt/Ru alloy and Pt nanoparticles doped with a spontaneously deposited sub-monolayer of Ru. An increase in catalytic activity was measured for samples containing higher percentages of metallic Ru. 13C NMR of adsorbed CO on Ru modified Pt nanoparticles show a correlation between the Pt-CO bond strength, supporting the ligand enhancement mechanism. Aside from simple potential pretreatment of the catalyst surface, alterations of the Pt crystal lattice were attempted to preferentially form Pt(111) facets.","abstract_has_math":false,"creators":["Rice, Cynthia Ann"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Chemistry","degree_department":null,"school":null,"contributors":["Wieckowski, Andrzej"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T22:14:41Z","date_published":"2015-09-25T22:14:41Z","updated_at":"2026-07-22T22:26:23Z","subjects":["Chemistry, Physical"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI9971172"],"render_values":[{"text":"(MiAaPQ)AAI9971172","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/84473","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Wieckowski, Andrzej"]},{"key":"dc:creator","label":"Author","values":["Rice, Cynthia Ann"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T22:14:41Z","10000-01-01","2000"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemistry"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Chemistry, Physical"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/84473","(MiAaPQ)AAI9971172"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Catalytic reactivity of Ru doped Pt nanoparticles for methanol electrooxidation reactions were also investigated, for both a commercially available Pt/Ru alloy and Pt nanoparticles doped with a spontaneously deposited sub-monolayer of Ru. 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An increase in catalytic activity was measured for samples containing higher percentages of metallic Ru. 13C NMR of adsorbed CO on Ru modified Pt nanoparticles show a correlation between the Pt-CO bond strength, supporting the ligand enhancement mechanism. Aside from simple potential pretreatment of the catalyst surface, alterations of the Pt crystal lattice were attempted to preferentially form Pt(111) facets.","Made available in DSpace on 2015-09-25T22:14:41Z (GMT). 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