{"id":{"repo_id":"queens","oai_identifier":"oai:queensu.scholaris.ca:1974/8667"},"canonical_url":"https://search.dev.ndltd.org/etd/queens/oai:queensu.scholaris.ca:1974/8667","repository":{"repo_id":"queens","name":"Queens University","base_url":"https://qspace.library.queensu.ca/server/oai/request"},"display":{"title":"Chiral Polymer Photodetector","abstract":"A polymer photodetector is fabricated using polythiophene with chiral alkyl side chains. The Cotton effect is observed in the CD spectrum of the photodetector, indicating an unequal absorbance of left- and right-handed circular polarized light (CPL). The photodetector is proven to be able to identify incident left- and right-handed CPL. Polymer photodetectors that are made from R- and S-limonene induced achiral polymers are fabricated. A “hot spin-coating” process is introduced to cast uniform limonene induced polymer films. As a result of chirality transfer, Cotton effects are also observed in these photodetectors’ CD spectra. A model is suggested to explain the chirality generation of the polythiophene with chiral alkyl side chains and limonene induced achiral polymers.","abstract_html":"A polymer photodetector is fabricated using polythiophene with chiral alkyl side chains. The Cotton effect is observed in the CD spectrum of the photodetector, indicating an unequal absorbance of left- and right-handed circular polarized light (CPL). The photodetector is proven to be able to identify incident left- and right-handed CPL. Polymer photodetectors that are made from R- and S-limonene induced achiral polymers are fabricated. A “hot spin-coating” process is introduced to cast uniform limonene induced polymer films. As a result of chirality transfer, Cotton effects are also observed in these photodetectors’ CD spectra. A model is suggested to explain the chirality generation of the polythiophene with chiral alkyl side chains and limonene induced achiral polymers.","abstract_has_math":false,"creators":["Zhang, Yiwei"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Chemistry","school":null,"contributors":[],"advisors":["Nunzi, Jean-Michel","Buncel, Erwin"],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-03-25","date_published":"2014-03-25","updated_at":"2026-07-27T20:35:33Z","subjects":["Polymer","Circular Polarized Light","Chirality","Limonene","Chiral induction","Photodetector"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/1974/8667","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Chemistry"]},{"key":"dc:contributor.supervisor","label":"Supervisor","values":["Nunzi, Jean-Michel","Buncel, Erwin"]},{"key":"dc:creator","label":"Author","values":["Zhang, Yiwei"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-03-25 14:37:23.168"]},{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-25T18:45:36Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-25T18:45:36Z"]},{"key":"dc:date.issued","label":"Date","values":["2014-03-25"]},{"key":"dc:type","label":"Dc Type","values":["thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Polymer","Circular Polarized Light","Chirality","Limonene","Chiral induction","Photodetector"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/1974/8667"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Thesis (Master, Chemistry) -- Queen's University, 2014-03-25 14:37:23.168"]},{"key":"dc:description.abstract","label":"Abstract","values":["A polymer photodetector is fabricated using polythiophene with chiral alkyl side chains. The Cotton effect is observed in the CD spectrum of the photodetector, indicating an unequal absorbance of left- and right-handed circular polarized light (CPL). The photodetector is proven to be able to identify incident left- and right-handed CPL. Polymer photodetectors that are made from R- and S-limonene induced achiral polymers are fabricated. A “hot spin-coating” process is introduced to cast uniform limonene induced polymer films. As a result of chirality transfer, Cotton effects are also observed in these photodetectors’ CD spectra. A model is suggested to explain the chirality generation of the polythiophene with chiral alkyl side chains and limonene induced achiral polymers."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["M.Sc."]},{"key":"dc:title","label":"Title","values":["Chiral Polymer Photodetector"]}]}],"canonical_facts":{"dc:contributor.department":["Chemistry"],"dc:contributor.supervisor":["Nunzi, Jean-Michel","Buncel, Erwin"],"dc:creator":["Zhang, Yiwei"],"dc:date":["2014-03-25 14:37:23.168"],"dc:date.accessioned":["2014-03-25T18:45:36Z"],"dc:date.available":["2014-03-25T18:45:36Z"],"dc:date.issued":["2014-03-25"],"dc:description":["Thesis (Master, Chemistry) -- Queen's University, 2014-03-25 14:37:23.168"],"dc:description.abstract":["A polymer photodetector is fabricated using polythiophene with chiral alkyl side chains. The Cotton effect is observed in the CD spectrum of the photodetector, indicating an unequal absorbance of left- and right-handed circular polarized light (CPL). The photodetector is proven to be able to identify incident left- and right-handed CPL. Polymer photodetectors that are made from R- and S-limonene induced achiral polymers are fabricated. A “hot spin-coating” process is introduced to cast uniform limonene induced polymer films. As a result of chirality transfer, Cotton effects are also observed in these photodetectors’ CD spectra. A model is suggested to explain the chirality generation of the polythiophene with chiral alkyl side chains and limonene induced achiral polymers."],"dc:description.degree":["M.Sc."],"dc:identifier.uri":["http://hdl.handle.net/1974/8667"],"dc:language.iso":["eng"],"dc:subject":["Polymer","Circular Polarized Light","Chirality","Limonene","Chiral induction","Photodetector"],"dc:title":["Chiral Polymer Photodetector"],"dc:type":["thesis"]},"updated_at":"2026-07-27T20:35:33Z"}