{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/84359"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/84359","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Magnetic Resonance at Electrified Interfaces: Study of Carbon Monoxide on Platinum","abstract":"The work is concerned with CO binding to platinum in an electrochemical environment, and the development of equipment and methodology for the enhanced interface of electrochemical and NMR techniques. In this work, the author shows (using variable temperature NMR experiments) that the electrochemical oxidation process used forms CO on polycrystalline platinum powders, and the CO occupies only a single type of surface site. The activation energies for CO surface diffusion is deduced using a multi-parameter fit and the resulting variables fit nicely with what is known about the system. A comparison of results for CO on Pt at the gas/solid and solid/liquid interfaces are done. Furthermore, the improvement of the NMRE cell, which allows for simultaneous voltammetries and NMR measurements to be demonstrated by obtaining data for potential dependent chemical shifts of CO on platinum powder at room temperature. A brief synopsis of platinum NMR data is given. Finally an extensive set of materials and methodologies is presented along with descriptions of equipment required for all discussed measurements.","abstract_html":"The work is concerned with CO binding to platinum in an electrochemical environment, and the development of equipment and methodology for the enhanced interface of electrochemical and NMR techniques. In this work, the author shows (using variable temperature NMR experiments) that the electrochemical oxidation process used forms CO on polycrystalline platinum powders, and the CO occupies only a single type of surface site. The activation energies for CO surface diffusion is deduced using a multi-parameter fit and the resulting variables fit nicely with what is known about the system. A comparison of results for CO on Pt at the gas/solid and solid/liquid interfaces are done. Furthermore, the improvement of the NMRE cell, which allows for simultaneous voltammetries and NMR measurements to be demonstrated by obtaining data for potential dependent chemical shifts of CO on platinum powder at room temperature. A brief synopsis of platinum NMR data is given. Finally an extensive set of materials and methodologies is presented along with descriptions of equipment required for all discussed measurements.","abstract_has_math":false,"creators":["Day, James Bruce"],"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":"2015-09-25T22:14:05Z","date_published":"2015-09-25T22:14:05Z","updated_at":"2026-07-22T22:26:23Z","subjects":["Physics, Electricity and Magnetism"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI9717268"],"render_values":[{"text":"(MiAaPQ)AAI9717268","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/84359","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":["Day, James Bruce"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T22:14:05Z","10000-01-01","1997"]},{"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":["Physics, Electricity and Magnetism"]}]},{"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/2142/84359","(MiAaPQ)AAI9717268"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["The work is concerned with CO binding to platinum in an electrochemical environment, and the development of equipment and methodology for the enhanced interface of electrochemical and NMR techniques. In this work, the author shows (using variable temperature NMR experiments) that the electrochemical oxidation process used forms CO on polycrystalline platinum powders, and the CO occupies only a single type of surface site. The activation energies for CO surface diffusion is deduced using a multi-parameter fit and the resulting variables fit nicely with what is known about the system. A comparison of results for CO on Pt at the gas/solid and solid/liquid interfaces are done. Furthermore, the improvement of the NMRE cell, which allows for simultaneous voltammetries and NMR measurements to be demonstrated by obtaining data for potential dependent chemical shifts of CO on platinum powder at room temperature. A brief synopsis of platinum NMR data is given. Finally an extensive set of materials and methodologies is presented along with descriptions of equipment required for all discussed measurements.","Made available in DSpace on 2015-09-25T22:14:05Z (GMT). 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In this work, the author shows (using variable temperature NMR experiments) that the electrochemical oxidation process used forms CO on polycrystalline platinum powders, and the CO occupies only a single type of surface site. The activation energies for CO surface diffusion is deduced using a multi-parameter fit and the resulting variables fit nicely with what is known about the system. A comparison of results for CO on Pt at the gas/solid and solid/liquid interfaces are done. Furthermore, the improvement of the NMRE cell, which allows for simultaneous voltammetries and NMR measurements to be demonstrated by obtaining data for potential dependent chemical shifts of CO on platinum powder at room temperature. A brief synopsis of platinum NMR data is given. Finally an extensive set of materials and methodologies is presented along with descriptions of equipment required for all discussed measurements.","Made available in DSpace on 2015-09-25T22:14:05Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 9717268.pdf: 4599979 bytes, checksum: 147d20541bc8732de256c8850da72fa3 (MD5) Previous issue date: 1997","Embargo set by: Seth Robbins for item 85640 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","106 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1997."],"dc:identifier":["http://hdl.handle.net/2142/84359","(MiAaPQ)AAI9717268"],"dc:language":["eng"],"dc:subject":["Physics, Electricity and Magnetism"],"dc:title":["Magnetic Resonance at Electrified Interfaces: Study of Carbon Monoxide on Platinum"],"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":"2026-07-22T22:26:23Z"}