{"id":{"repo_id":"wfu","oai_identifier":"oai:wakespace.lib.wfu.edu:10339/82217"},"canonical_url":"https://search.dev.ndltd.org/etd/wfu/oai:wakespace.lib.wfu.edu:10339/82217","repository":{"repo_id":"wfu","name":"Wake Forest University","base_url":"https://wakespace.lib.wfu.edu/oai/request"},"display":{"title":"LOW-DIMENSIONAL CHALCOGENIDE BASED THERMOELECTRIC COMPOSITES","abstract":"By using the hydrothermal reflux method, a series of low-dimensional chalcogenide nanostructures were designed. On one hand, ternary metal (Bi, Cu, Ag, and Pb) chalcogenide nanowires with high thermoelectric figure of merit and power factors were obtained by using Te1-xSex alloys as templates. On the other hand, Bi2Se3, Bi2Te3, Sb2Te3 nanoplates and their derivatives were also successfully fabricated. After nanostructures were obtained, we further combine them with polymers such as polyvinylidene fluoride to guarantee their flexibility in thermoelectric devices. Here, the non-conductive polymer can not only guarantee the robustness and flexibility but also create a high trap-state by introducing the energy barrier at the organic/inorganic interface, thus a high level of Seebeck coefficient is maintained while a remarkable improvement on electrical conductivity was achieved. To our best knowledge, we are the first group developing the flexible and freestanding TE generators based on inorganic chalcogenides nanomaterials.","abstract_html":"By using the hydrothermal reflux method, a series of low-dimensional chalcogenide nanostructures were designed. On one hand, ternary metal (Bi, Cu, Ag, and Pb) chalcogenide nanowires with high thermoelectric figure of merit and power factors were obtained by using Te1-xSex alloys as templates. On the other hand, Bi2Se3, Bi2Te3, Sb2Te3 nanoplates and their derivatives were also successfully fabricated. After nanostructures were obtained, we further combine them with polymers such as polyvinylidene fluoride to guarantee their flexibility in thermoelectric devices. Here, the non-conductive polymer can not only guarantee the robustness and flexibility but also create a high trap-state by introducing the energy barrier at the organic/inorganic interface, thus a high level of Seebeck coefficient is maintained while a remarkable improvement on electrical conductivity was achieved. To our best knowledge, we are the first group developing the flexible and freestanding TE generators based on inorganic chalcogenides nanomaterials.","abstract_has_math":false,"creators":["DUN, CHAOCHAO"],"institution":"Wake Forest University","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017","date_published":"2017","updated_at":"2026-07-27T22:02:11Z","subjects":["CHALCOGENIDE"],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10339/82217","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["DUN, CHAOCHAO"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2017-06-15T08:36:04Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2017-12-14T09:30:08Z"]},{"key":"dc:date.issued","label":"Date","values":["2017"]},{"key":"dc:publisher","label":"Institution","values":["Wake Forest University"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["CHALCOGENIDE"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10339/82217"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["By using the hydrothermal reflux method, a series of low-dimensional chalcogenide nanostructures were designed. On one hand, ternary metal (Bi, Cu, Ag, and Pb) chalcogenide nanowires with high thermoelectric figure of merit and power factors were obtained by using Te1-xSex alloys as templates. On the other hand, Bi2Se3, Bi2Te3, Sb2Te3 nanoplates and their derivatives were also successfully fabricated. After nanostructures were obtained, we further combine them with polymers such as polyvinylidene fluoride to guarantee their flexibility in thermoelectric devices. Here, the non-conductive polymer can not only guarantee the robustness and flexibility but also create a high trap-state by introducing the energy barrier at the organic/inorganic interface, thus a high level of Seebeck coefficient is maintained while a remarkable improvement on electrical conductivity was achieved. To our best knowledge, we are the first group developing the flexible and freestanding TE generators based on inorganic chalcogenides nanomaterials."]},{"key":"dc:title","label":"Title","values":["LOW-DIMENSIONAL CHALCOGENIDE BASED THERMOELECTRIC COMPOSITES"]}]}],"canonical_facts":{"dc:creator":["DUN, CHAOCHAO"],"dc:date.accessioned":["2017-06-15T08:36:04Z"],"dc:date.available":["2017-12-14T09:30:08Z"],"dc:date.issued":["2017"],"dc:description.abstract":["By using the hydrothermal reflux method, a series of low-dimensional chalcogenide nanostructures were designed. On one hand, ternary metal (Bi, Cu, Ag, and Pb) chalcogenide nanowires with high thermoelectric figure of merit and power factors were obtained by using Te1-xSex alloys as templates. On the other hand, Bi2Se3, Bi2Te3, Sb2Te3 nanoplates and their derivatives were also successfully fabricated. After nanostructures were obtained, we further combine them with polymers such as polyvinylidene fluoride to guarantee their flexibility in thermoelectric devices. Here, the non-conductive polymer can not only guarantee the robustness and flexibility but also create a high trap-state by introducing the energy barrier at the organic/inorganic interface, thus a high level of Seebeck coefficient is maintained while a remarkable improvement on electrical conductivity was achieved. To our best knowledge, we are the first group developing the flexible and freestanding TE generators based on inorganic chalcogenides nanomaterials."],"dc:identifier.uri":["http://hdl.handle.net/10339/82217"],"dc:language.iso":["en"],"dc:publisher":["Wake Forest University"],"dc:subject":["CHALCOGENIDE"],"dc:title":["LOW-DIMENSIONAL CHALCOGENIDE BASED THERMOELECTRIC COMPOSITES"],"dc:type":["Dissertation"]},"updated_at":"2026-07-27T22:02:11Z"}