{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/130219"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/130219","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Perovskite-nanocrystal-enhanced vertically stacked photodiode image sensor for wavelength-resolved UV imaging","abstract":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01","abstract_html":"Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01","abstract_has_math":false,"creators":["Chang, Haoxiang"],"institution":"University of Illinois Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Electrical & Computer Engr","degree_department":null,"school":null,"contributors":["Gruev, Viktor"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2025,"date_issued":"2025-07-25","date_published":"2025-07-25","updated_at":"2026-07-22T22:25:06Z","subjects":["Perovskite Nanocrystals","Nanomaterials","Multispectral Uv Imaging","Biosensors","Fluorescence Imaging"],"languages":["en","eng"],"rights":["Copyright 2025 Haoxiang Chang"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/130219","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Gruev, Viktor"]},{"key":"dc:creator","label":"Author","values":["Chang, Haoxiang"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2025-07-25","2025-08"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical & Computer Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Perovskite Nanocrystals","Nanomaterials","Multispectral Uv Imaging","Biosensors","Fluorescence Imaging"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2025 Haoxiang Chang"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/130219"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01","The student, Haoxiang Chang, accepted the attached license on 2025-07-22 at 11:24.","The student, Haoxiang Chang, submitted this Thesis for approval on 2025-07-22 at 11:35.","This Thesis was approved for publication on 2025-07-25 at 09:11.","DSpace SAF Submission Ingestion Package generated from Vireo submission #22692 on 2025-10-25 at 15:54:31","Real-time ultraviolet (UV) image sensing technology presents profound potential in multiple areas, including biomedical diagnostics, industrial production, and animal science. Current UV imaging systems are mostly monochromatic, hence insensitive to the spectral information across the UV wavelengths. This thesis introduces a novel imaging system capable of multispectral UV imaging with the ability to distinguish between different UV wavelengths by enhancing a three-layer vertically stacked photodiode complementary metal oxide semiconductor (CMOS) image sensor with specially manufactured and tuned perovskite nanocrystals (PNCs). The effectively extended multi-channel quantum efficiency (QE) in the UV range enabled experimentally proved precise separation of 11 distinct UV wavelengths across the UVA and UVB range, an unachieved level with the unmodified image sensor. This novel imaging system presents meaningful applications for clinical and industrial contexts, including the in vitro characterization of biomarkers with UV fluorescence emission signatures."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Perovskite-nanocrystal-enhanced vertically stacked photodiode image sensor for wavelength-resolved UV imaging"]}]}],"canonical_facts":{"dc:contributor":["Gruev, Viktor"],"dc:creator":["Chang, Haoxiang"],"dc:date":["2025-07-25","2025-08"],"dc:description":["Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01","The student, Haoxiang Chang, accepted the attached license on 2025-07-22 at 11:24.","The student, Haoxiang Chang, submitted this Thesis for approval on 2025-07-22 at 11:35.","This Thesis was approved for publication on 2025-07-25 at 09:11.","DSpace SAF Submission Ingestion Package generated from Vireo submission #22692 on 2025-10-25 at 15:54:31","Real-time ultraviolet (UV) image sensing technology presents profound potential in multiple areas, including biomedical diagnostics, industrial production, and animal science. Current UV imaging systems are mostly monochromatic, hence insensitive to the spectral information across the UV wavelengths. This thesis introduces a novel imaging system capable of multispectral UV imaging with the ability to distinguish between different UV wavelengths by enhancing a three-layer vertically stacked photodiode complementary metal oxide semiconductor (CMOS) image sensor with specially manufactured and tuned perovskite nanocrystals (PNCs). The effectively extended multi-channel quantum efficiency (QE) in the UV range enabled experimentally proved precise separation of 11 distinct UV wavelengths across the UVA and UVB range, an unachieved level with the unmodified image sensor. This novel imaging system presents meaningful applications for clinical and industrial contexts, including the in vitro characterization of biomarkers with UV fluorescence emission signatures."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/130219"],"dc:language":["en","eng"],"dc:rights":["Copyright 2025 Haoxiang Chang"],"dc:subject":["Perovskite Nanocrystals","Nanomaterials","Multispectral Uv Imaging","Biosensors","Fluorescence Imaging"],"dc:title":["Perovskite-nanocrystal-enhanced vertically stacked photodiode image sensor for wavelength-resolved UV imaging"],"dc:type":["text"],"thesis:degree_discipline":["Electrical & Computer Engr"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:06Z"}