{"id":{"repo_id":"houston","oai_identifier":"oai:uh-ir.tdl.org:10657/5357"},"canonical_url":"https://search.dev.ndltd.org/etd/houston/oai:uh-ir.tdl.org:10657/5357","repository":{"repo_id":"houston","name":"University of Houston","base_url":"https://uh-ir.tdl.org/server/oai/request"},"display":{"title":"Electrochemical and Spectroelectrochemical Studies of Complexes with Multiple Redox Centers","abstract":"The electrochemical and spectroscopic properties of different types of complexes with multiple redox centers were investigated. Cyclic voltammetry was used as the main electrochemical technique along with thin-layer UV-visible and FTIR spectroelectrochemistry. The primary focus of this work was to elucidate the overall redox behavior of the compounds and to examine the site of electron transfer. Ligand binding reactions were also monitored by UV-visible spectroscopy and/or electrochemical titration methods. The examined electroactive compounds included: (i) free base corroles with nitro substituents at the β-pyrrole positions, (ii) β-nitro substituted iron corroles, (iii) bis-[PcRu(CO)][Ru2(ap)4(C≡CC5H4N)2]: a tetraruthenium complex containing two ruthenium(II) phthalocyanines and one metal-metal bonded diruthenium(III,III) unit, (iv) diruthenium complexes containing four symmetrical anionic bridging ligands and (v) copper(I) complexes with diethoxyphosphoryl-substituted 1,10-phenanthroline ligands.","abstract_html":"The electrochemical and spectroscopic properties of different types of complexes with multiple redox centers were investigated. Cyclic voltammetry was used as the main electrochemical technique along with thin-layer UV-visible and FTIR spectroelectrochemistry. The primary focus of this work was to elucidate the overall redox behavior of the compounds and to examine the site of electron transfer. Ligand binding reactions were also monitored by UV-visible spectroscopy and/or electrochemical titration methods. The examined electroactive compounds included: (i) free base corroles with nitro substituents at the β-pyrrole positions, (ii) β-nitro substituted iron corroles, (iii) bis-[PcRu(CO)][Ru2(ap)4(C≡CC5H4N)2]: a tetraruthenium complex containing two ruthenium(II) phthalocyanines and one metal-metal bonded diruthenium(III,III) unit, (iv) diruthenium complexes containing four symmetrical anionic bridging ligands and (v) copper(I) complexes with diethoxyphosphoryl-substituted 1,10-phenanthroline ligands.","abstract_has_math":false,"creators":["Manowong, Machima 1983-"],"institution":"University of Houston","degree_name":"Doctor of Philosophy","degree_level":"Doctoral","degree_discipline":"Chemistry","degree_department":null,"school":null,"contributors":[],"advisors":["Kadish, Karl M."],"committee_chairs":[],"committee_members":["Bear, John L.","Czernuszewicz, Roman S.","Xu, Shoujun","Briggs, James M."],"year":2014,"date_issued":"2014-05","date_published":"2014-05","updated_at":"2026-07-24T02:32:12Z","subjects":["Electrochemistry","Spectroelectrochemistry","Corroles","Diruthenium complexes","Phthalocyanines","Phenanthroline"],"languages":["eng"],"rights":["The author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. UH Libraries has secured permission to reproduce any and all previously published materials contained in the work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s)."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10657/5357","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Kadish, Karl M."]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Bear, John L.","Czernuszewicz, Roman S.","Xu, Shoujun","Briggs, James M."]},{"key":"dc:creator","label":"Author","values":["Manowong, Machima 1983-"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2019-11-11T22:54:41Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2019-11-11T22:54:41Z"]},{"key":"dc:date.issued","label":"Date","values":["2014-05"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemistry"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Doctoral"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Doctor of Philosophy"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Houston"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Electrochemistry","Spectroelectrochemistry","Corroles","Diruthenium complexes","Phthalocyanines","Phenanthroline"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["The author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. UH Libraries has secured permission to reproduce any and all previously published materials contained in the work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s)."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/10657/5357"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The electrochemical and spectroscopic properties of different types of complexes with multiple redox centers were investigated. Cyclic voltammetry was used as the main electrochemical technique along with thin-layer UV-visible and FTIR spectroelectrochemistry. The primary focus of this work was to elucidate the overall redox behavior of the compounds and to examine the site of electron transfer. Ligand binding reactions were also monitored by UV-visible spectroscopy and/or electrochemical titration methods. The examined electroactive compounds included: (i) free base corroles with nitro substituents at the β-pyrrole positions, (ii) β-nitro substituted iron corroles, (iii) bis-[PcRu(CO)][Ru2(ap)4(C≡CC5H4N)2]: a tetraruthenium complex containing two ruthenium(II) phthalocyanines and one metal-metal bonded diruthenium(III,III) unit, (iv) diruthenium complexes containing four symmetrical anionic bridging ligands and (v) copper(I) complexes with diethoxyphosphoryl-substituted 1,10-phenanthroline ligands."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Electrochemical and Spectroelectrochemical Studies of Complexes with Multiple Redox Centers"]}]}],"canonical_facts":{"dc:contributor.advisor":["Kadish, Karl M."],"dc:contributor.committeemember":["Bear, John L.","Czernuszewicz, Roman S.","Xu, Shoujun","Briggs, James M."],"dc:creator":["Manowong, Machima 1983-"],"dc:date.accessioned":["2019-11-11T22:54:41Z"],"dc:date.available":["2019-11-11T22:54:41Z"],"dc:date.issued":["2014-05"],"dc:description.abstract":["The electrochemical and spectroscopic properties of different types of complexes with multiple redox centers were investigated. Cyclic voltammetry was used as the main electrochemical technique along with thin-layer UV-visible and FTIR spectroelectrochemistry. The primary focus of this work was to elucidate the overall redox behavior of the compounds and to examine the site of electron transfer. Ligand binding reactions were also monitored by UV-visible spectroscopy and/or electrochemical titration methods. The examined electroactive compounds included: (i) free base corroles with nitro substituents at the β-pyrrole positions, (ii) β-nitro substituted iron corroles, (iii) bis-[PcRu(CO)][Ru2(ap)4(C≡CC5H4N)2]: a tetraruthenium complex containing two ruthenium(II) phthalocyanines and one metal-metal bonded diruthenium(III,III) unit, (iv) diruthenium complexes containing four symmetrical anionic bridging ligands and (v) copper(I) complexes with diethoxyphosphoryl-substituted 1,10-phenanthroline ligands."],"dc:format.mimetype":["application/pdf"],"dc:identifier.uri":["https://hdl.handle.net/10657/5357"],"dc:language.iso":["eng"],"dc:rights":["The author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. UH Libraries has secured permission to reproduce any and all previously published materials contained in the work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s)."],"dc:subject":["Electrochemistry","Spectroelectrochemistry","Corroles","Diruthenium complexes","Phthalocyanines","Phenanthroline"],"dc:title":["Electrochemical and Spectroelectrochemical Studies of Complexes with Multiple Redox Centers"],"thesis:degree_discipline":["Chemistry"],"thesis:degree_level":["Doctoral"],"thesis:degree_name":["Doctor of Philosophy"],"thesis:institution_name":["University of Houston"]},"updated_at":"2026-07-24T02:32:12Z"}