{"id":{"repo_id":"unt","oai_identifier":"info:ark/67531/metadc3141"},"canonical_url":"https://search.dev.ndltd.org/etd/unt/info:ark/67531/metadc3141","repository":{"repo_id":"unt","name":"University of North Texas","base_url":"https://digital.library.unt.edu/oai/"},"display":{"title":"Synthesis of Crown Ether/Ammonium Salt for Electron Transfer Study","abstract":"The theoretical model of Beratan and Onuchic predicts a large attenuation of ET rates through hydrogen bonds; however, the effect of individual hydrogen bond on electron transfer reaction has not been systematically studied. The organic complexes in this study are a series of crown ether/ammonium salt, which incorporate a redox partner on each component of the complex. The dimethoxynaphthalene redox donor was attached to the crown ether and a series of ammonium salts was synthesized which bear substituted quinone and naphthoquinone acceptor. The complexes characterization and preliminary electron transfer rate measurement were completed with UV/Vis and steady-state emission spectroscopy.","abstract_html":"The theoretical model of Beratan and Onuchic predicts a large attenuation of ET rates through hydrogen bonds; however, the effect of individual hydrogen bond on electron transfer reaction has not been systematically studied. The organic complexes in this study are a series of crown ether/ammonium salt, which incorporate a redox partner on each component of the complex. The dimethoxynaphthalene redox donor was attached to the crown ether and a series of ammonium salts was synthesized which bear substituted quinone and naphthoquinone acceptor. The complexes characterization and preliminary electron transfer rate measurement were completed with UV/Vis and steady-state emission spectroscopy.","abstract_has_math":false,"creators":["Han, Dong"],"institution":"University of North Texas","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Wiedenfeld, David","Desiderato, Robert"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2002,"date_issued":"2002-05","date_published":"2002-05","updated_at":"2026-07-24T05:34:52Z","subjects":["Charge exchange.","Crown ethers.","Ammonium salts.","electron transfer","hydrogen bond","redox donor","crown ether","quinone ammonium salt"],"languages":["English"],"rights":["Public","Copyright","Han, Dong","Copyright is held by the author, unless otherwise noted. All rights reserved."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oclc: 54888974","https://digital.library.unt.edu/ark:/67531/metadc3141/","ark: ark:/67531/metadc3141"],"render_values":[{"text":"oclc: 54888974","href":null,"code":true},{"text":"https://digital.library.unt.edu/ark:/67531/metadc3141/","href":"https://digital.library.unt.edu/ark:/67531/metadc3141/","code":true},{"text":"ark: ark:/67531/metadc3141","href":null,"code":true}]}]},"links":{"outbound_url":"https://doi.org/10.12794/metadc3141","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Wiedenfeld, David","Desiderato, Robert"]},{"key":"dc:creator","label":"Author","values":["Han, Dong"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2002-05"]},{"key":"dc:publisher","label":"Institution","values":["University of North Texas"]},{"key":"dc:type","label":"Dc Type","values":["Thesis or Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Charge exchange.","Crown ethers.","Ammonium salts.","electron transfer","hydrogen bond","redox donor","crown ether","quinone ammonium salt"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:rights","label":"Dc Rights","values":["Public","Copyright","Han, Dong","Copyright is held by the author, unless otherwise noted. 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The complexes characterization and preliminary electron transfer rate measurement were completed with UV/Vis and steady-state emission spectroscopy."]},{"key":"dc:format","label":"Dc Format","values":["Text"]},{"key":"dc:title","label":"Title","values":["Synthesis of Crown Ether/Ammonium Salt for Electron Transfer Study"]}]}],"canonical_facts":{"dc:contributor":["Wiedenfeld, David","Desiderato, Robert"],"dc:creator":["Han, Dong"],"dc:date":["2002-05"],"dc:description":["The theoretical model of Beratan and Onuchic predicts a large attenuation of ET rates through hydrogen bonds; however, the effect of individual hydrogen bond on electron transfer reaction has not been systematically studied. The organic complexes in this study are a series of crown ether/ammonium salt, which incorporate a redox partner on each component of the complex. The dimethoxynaphthalene redox donor was attached to the crown ether and a series of ammonium salts was synthesized which bear substituted quinone and naphthoquinone acceptor. The complexes characterization and preliminary electron transfer rate measurement were completed with UV/Vis and steady-state emission spectroscopy."],"dc:format":["Text"],"dc:identifier":["oclc: 54888974","doi: 10.12794/metadc3141","https://digital.library.unt.edu/ark:/67531/metadc3141/","ark: ark:/67531/metadc3141"],"dc:language":["English"],"dc:publisher":["University of North Texas"],"dc:rights":["Public","Copyright","Han, Dong","Copyright is held by the author, unless otherwise noted. All rights reserved."],"dc:subject":["Charge exchange.","Crown ethers.","Ammonium salts.","electron transfer","hydrogen bond","redox donor","crown ether","quinone ammonium salt"],"dc:title":["Synthesis of Crown Ether/Ammonium Salt for Electron Transfer Study"],"dc:type":["Thesis or Dissertation"]},"updated_at":"2026-07-24T05:34:52Z"}