{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/84055"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/84055","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Exploration of the Structure and Catalytic Activity of Modified Platinum Substrates","abstract":"In recent years, fuel cell technology has become an intense focus of the energy research community as a potentially viable alternative to emissions-producing devices. Both methanol and formic acid are promising fuels for this type of technology; however, to maintain catalytic efficiency and purity, the platinum anode must be modified by another metal, altering the electronic and catalytic properties of the platinum favorable toward methanol or formic acid oxidation. Palladium is known to enhance the catalytic activity of platinum towards formic acid oxidation while ruthenium and osmium increase the effectiveness of the catalyst toward methanol electrooxidation. Scanning Tunneling Microscopy (STM), X-Ray Photoelectron Spectroscopy (XPS) and electrochemical methods are ideal techniques to probe the structure and catalytic activity of platinum surfaces modified by noble metal adatoms. STM and XPS studies correlate surface coverage and composition with electrochemical activity and provide a valuable method for determining highly active modified platinum substrates for methanol oxidation.","abstract_html":"In recent years, fuel cell technology has become an intense focus of the energy research community as a potentially viable alternative to emissions-producing devices. Both methanol and formic acid are promising fuels for this type of technology; however, to maintain catalytic efficiency and purity, the platinum anode must be modified by another metal, altering the electronic and catalytic properties of the platinum favorable toward methanol or formic acid oxidation. Palladium is known to enhance the catalytic activity of platinum towards formic acid oxidation while ruthenium and osmium increase the effectiveness of the catalyst toward methanol electrooxidation. Scanning Tunneling Microscopy (STM), X-Ray Photoelectron Spectroscopy (XPS) and electrochemical methods are ideal techniques to probe the structure and catalytic activity of platinum surfaces modified by noble metal adatoms. STM and XPS studies correlate surface coverage and composition with electrochemical activity and provide a valuable method for determining highly active modified platinum substrates for methanol oxidation.","abstract_has_math":false,"creators":["Crown, Alechia"],"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":"2015-09-25T22:12:38Z","date_published":"2015-09-25T22:12:38Z","updated_at":"2026-07-22T22:26:22Z","subjects":["Engineering, Materials Science"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3030424"],"render_values":[{"text":"(MiAaPQ)AAI3030424","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/84055","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":["Crown, Alechia"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T22:12:38Z","10000-01-01","2001"]},{"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":["Engineering, Materials Science"]}]},{"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/2142/84055","(MiAaPQ)AAI3030424"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["In recent years, fuel cell technology has become an intense focus of the energy research community as a potentially viable alternative to emissions-producing devices. Both methanol and formic acid are promising fuels for this type of technology; however, to maintain catalytic efficiency and purity, the platinum anode must be modified by another metal, altering the electronic and catalytic properties of the platinum favorable toward methanol or formic acid oxidation. Palladium is known to enhance the catalytic activity of platinum towards formic acid oxidation while ruthenium and osmium increase the effectiveness of the catalyst toward methanol electrooxidation. Scanning Tunneling Microscopy (STM), X-Ray Photoelectron Spectroscopy (XPS) and electrochemical methods are ideal techniques to probe the structure and catalytic activity of platinum surfaces modified by noble metal adatoms. STM and XPS studies correlate surface coverage and composition with electrochemical activity and provide a valuable method for determining highly active modified platinum substrates for methanol oxidation.","Made available in DSpace on 2015-09-25T22:12:38Z (GMT). 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Both methanol and formic acid are promising fuels for this type of technology; however, to maintain catalytic efficiency and purity, the platinum anode must be modified by another metal, altering the electronic and catalytic properties of the platinum favorable toward methanol or formic acid oxidation. Palladium is known to enhance the catalytic activity of platinum towards formic acid oxidation while ruthenium and osmium increase the effectiveness of the catalyst toward methanol electrooxidation. Scanning Tunneling Microscopy (STM), X-Ray Photoelectron Spectroscopy (XPS) and electrochemical methods are ideal techniques to probe the structure and catalytic activity of platinum surfaces modified by noble metal adatoms. STM and XPS studies correlate surface coverage and composition with electrochemical activity and provide a valuable method for determining highly active modified platinum substrates for methanol oxidation.","Made available in DSpace on 2015-09-25T22:12:38Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3030424.pdf: 11766459 bytes, checksum: 8f61fa1b61b459705bddcf2fb772dfd5 (MD5) Previous issue date: 2001","Embargo set by: Seth Robbins for item 85336 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","261 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2001."],"dc:identifier":["http://hdl.handle.net/2142/84055","(MiAaPQ)AAI3030424"],"dc:language":["eng"],"dc:subject":["Engineering, Materials Science"],"dc:title":["Exploration of the Structure and Catalytic Activity of Modified Platinum Substrates"],"dc:type":["text"],"thesis:degree_discipline":["Chemistry"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:22Z"}