{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/82388"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/82388","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Electrocatalysis in Alkaline Media: Mechanistic Studies of Fuel Cell Reactions on Well-Defined Model Catalysts","abstract":"Ru was found to promote both methanol dehydrogenation and CO oxidation on adjacent Pt sites. Ru enhances methanol dehydrogenation through two distinct ligand effects: it increases the intrinsic dehydrogenation activity of adjacent Pt sites, and it causes CO to diffuse away from these active sites, decreasing the CO poisoning effect. A Ru ligand effect also enhances CO oxidation by weakening the Pt-CO bond. Ru supplies adsorbed OH for bifunctional CO oxidation, but since Pt defects can also supply OH in alkaline media, the Ru bifunctional effect is less significant than the three ligand effects.","abstract_html":"Ru was found to promote both methanol dehydrogenation and CO oxidation on adjacent Pt sites. Ru enhances methanol dehydrogenation through two distinct ligand effects: it increases the intrinsic dehydrogenation activity of adjacent Pt sites, and it causes CO to diffuse away from these active sites, decreasing the CO poisoning effect. A Ru ligand effect also enhances CO oxidation by weakening the Pt-CO bond. Ru supplies adsorbed OH for bifunctional CO oxidation, but since Pt defects can also supply OH in alkaline media, the Ru bifunctional effect is less significant than the three ligand effects.","abstract_has_math":false,"creators":["Spendelow, Jacob S."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Chemical and Biomolecular Engineering","degree_department":null,"school":null,"contributors":["Kenis, Paul J.A.","Wieckowski, Andrzej"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:43:28Z","date_published":"2015-09-25T20:43:28Z","updated_at":"2026-07-22T22:26:18Z","subjects":["Energy"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3243002"],"render_values":[{"text":"(MiAaPQ)AAI3243002","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/82388","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Kenis, Paul J.A.","Wieckowski, Andrzej"]},{"key":"dc:creator","label":"Author","values":["Spendelow, Jacob S."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:43:28Z","10000-01-01","2006"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemical and Biomolecular Engineering"]},{"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":["Energy"]}]},{"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/2142/82388","(MiAaPQ)AAI3243002"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Ru was found to promote both methanol dehydrogenation and CO oxidation on adjacent Pt sites. 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Ru enhances methanol dehydrogenation through two distinct ligand effects: it increases the intrinsic dehydrogenation activity of adjacent Pt sites, and it causes CO to diffuse away from these active sites, decreasing the CO poisoning effect. A Ru ligand effect also enhances CO oxidation by weakening the Pt-CO bond. Ru supplies adsorbed OH for bifunctional CO oxidation, but since Pt defects can also supply OH in alkaline media, the Ru bifunctional effect is less significant than the three ligand effects.","Made available in DSpace on 2015-09-25T20:43:28Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3243002.pdf: 4607806 bytes, checksum: fce8d12c94fbbb6313f48d5270535702 (MD5) Previous issue date: 2006","Embargo set by: Seth Robbins for item 83669 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","167 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2006."],"dc:identifier":["http://hdl.handle.net/2142/82388","(MiAaPQ)AAI3243002"],"dc:language":["eng"],"dc:subject":["Energy"],"dc:title":["Electrocatalysis in Alkaline Media: Mechanistic Studies of Fuel Cell Reactions on Well-Defined Model Catalysts"],"dc:type":["text"],"thesis:degree_discipline":["Chemical and Biomolecular Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:18Z"}