{"id":{"repo_id":"york","oai_identifier":"oai:yorkspace.library.yorku.ca:10315/41725"},"canonical_url":"https://search.dev.ndltd.org/etd/york/oai:yorkspace.library.yorku.ca:10315/41725","repository":{"repo_id":"york","name":"York University","base_url":"https://yorkspace.library.yorku.ca/oai/request"},"display":{"title":"Optothermal Characterization of Nanoparticle Infused Aerogels","abstract":"Here, custom fabricated nanoparticle infused aerogels are presented as a potential material to achieve super insulating and transparent opto-thermal properties. By incorporating nanoparticle solutions within the silicon dioxide (SiO₂) aerogel during the sol-gel process, unique monolithic samples were fabricated and opto-thermally characterized. The pure silica and nanoparticle infused (Zinc Oxide, Antimony doped Tin Oxide, Zirconia Dioxide) silica aerogel samples, through UV-Vis and FTIR measurements, spectrophotometrically demonstrated a solar weighted transmittance of 86, 86, 55 and 78% with measured effective thermal conductivity values of 0.035, 0.050, 0.045, 0.045 W/(m∙K) with an error threshold of ± 0.005 W/(m∙K) using a modified guarded hot-plate technique respectively. The inclusion of nanoparticles within SiO2 aerogels results in reduced transmission (heat loss) in the mid-infrared (MIR) while maintaining high transmission in the visible wavelength region. Importantly, the results show that nanoparticle infusion can be used as a flexible method to tailor the opto-thermal properties of aerogels.","abstract_html":"Here, custom fabricated nanoparticle infused aerogels are presented as a potential material to achieve super insulating and transparent opto-thermal properties. By incorporating nanoparticle solutions within the silicon dioxide (SiO₂) aerogel during the sol-gel process, unique monolithic samples were fabricated and opto-thermally characterized. The pure silica and nanoparticle infused (Zinc Oxide, Antimony doped Tin Oxide, Zirconia Dioxide) silica aerogel samples, through UV-Vis and FTIR measurements, spectrophotometrically demonstrated a solar weighted transmittance of 86, 86, 55 and 78% with measured effective thermal conductivity values of 0.035, 0.050, 0.045, 0.045 W/(m∙K) with an error threshold of ± 0.005 W/(m∙K) using a modified guarded hot-plate technique respectively. The inclusion of nanoparticles within SiO2 aerogels results in reduced transmission (heat loss) in the mid-infrared (MIR) while maintaining high transmission in the visible wavelength region. Importantly, the results show that nanoparticle infusion can be used as a flexible method to tailor the opto-thermal properties of aerogels.","abstract_has_math":false,"creators":["Nagi, Mubariz Ahmad"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Cooper, Thomas","Freire-Gormaly, Marina"],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023-12-08","date_published":"2023-12-08","updated_at":"2026-07-24T06:33:38Z","subjects":["Mechanical engineering","Materials Science"],"languages":["en"],"rights":["Author owns copyright, except where explicitly noted. Please contact the author directly with licensing requests."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10315/41725","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Cooper, Thomas","Freire-Gormaly, Marina"]},{"key":"dc:creator","label":"Author","values":["Nagi, Mubariz Ahmad"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2023-12-08T14:40:35Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2023-12-08T14:40:35Z"]},{"key":"dc:date.issued","label":"Date","values":["2023-12-08"]},{"key":"dc:type","label":"Dc Type","values":["Electronic Thesis or Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Mechanical engineering","Materials Science"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Author owns copyright, except where explicitly noted. Please contact the author directly with licensing requests."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/10315/41725"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Here, custom fabricated nanoparticle infused aerogels are presented as a potential material to achieve super insulating and transparent opto-thermal properties. By incorporating nanoparticle solutions within the silicon dioxide (SiO₂) aerogel during the sol-gel process, unique monolithic samples were fabricated and opto-thermally characterized. The pure silica and nanoparticle infused (Zinc Oxide, Antimony doped Tin Oxide, Zirconia Dioxide) silica aerogel samples, through UV-Vis and FTIR measurements, spectrophotometrically demonstrated a solar weighted transmittance of 86, 86, 55 and 78% with measured effective thermal conductivity values of 0.035, 0.050, 0.045, 0.045 W/(m∙K) with an error threshold of ± 0.005 W/(m∙K) using a modified guarded hot-plate technique respectively. The inclusion of nanoparticles within SiO2 aerogels results in reduced transmission (heat loss) in the mid-infrared (MIR) while maintaining high transmission in the visible wavelength region. Importantly, the results show that nanoparticle infusion can be used as a flexible method to tailor the opto-thermal properties of aerogels."]},{"key":"dc:title","label":"Title","values":["Optothermal Characterization of Nanoparticle Infused Aerogels"]}]}],"canonical_facts":{"dc:contributor.advisor":["Cooper, Thomas","Freire-Gormaly, Marina"],"dc:creator":["Nagi, Mubariz Ahmad"],"dc:date.accessioned":["2023-12-08T14:40:35Z"],"dc:date.available":["2023-12-08T14:40:35Z"],"dc:date.issued":["2023-12-08"],"dc:description.abstract":["Here, custom fabricated nanoparticle infused aerogels are presented as a potential material to achieve super insulating and transparent opto-thermal properties. By incorporating nanoparticle solutions within the silicon dioxide (SiO₂) aerogel during the sol-gel process, unique monolithic samples were fabricated and opto-thermally characterized. The pure silica and nanoparticle infused (Zinc Oxide, Antimony doped Tin Oxide, Zirconia Dioxide) silica aerogel samples, through UV-Vis and FTIR measurements, spectrophotometrically demonstrated a solar weighted transmittance of 86, 86, 55 and 78% with measured effective thermal conductivity values of 0.035, 0.050, 0.045, 0.045 W/(m∙K) with an error threshold of ± 0.005 W/(m∙K) using a modified guarded hot-plate technique respectively. The inclusion of nanoparticles within SiO2 aerogels results in reduced transmission (heat loss) in the mid-infrared (MIR) while maintaining high transmission in the visible wavelength region. Importantly, the results show that nanoparticle infusion can be used as a flexible method to tailor the opto-thermal properties of aerogels."],"dc:identifier.uri":["https://hdl.handle.net/10315/41725"],"dc:language":["en"],"dc:rights":["Author owns copyright, except where explicitly noted. Please contact the author directly with licensing requests."],"dc:subject":["Mechanical engineering","Materials Science"],"dc:title":["Optothermal Characterization of Nanoparticle Infused Aerogels"],"dc:type":["Electronic Thesis or Dissertation"]},"updated_at":"2026-07-24T06:33:38Z"}