{"id":{"repo_id":"uoit","oai_identifier":"oai:ontariotechu.scholaris.ca:10155/1602"},"canonical_url":"https://search.dev.ndltd.org/etd/uoit/oai:ontariotechu.scholaris.ca:10155/1602","repository":{"repo_id":"uoit","name":"Ontario Institute of Technology","base_url":"https://ontariotechu.scholaris.ca/server/oai/request"},"display":{"title":"Performance assessment of Au SERS substrates prepared by deposition of Au nanoparticles on screen-printed SiO2 particle films","abstract":"Surface-enhanced Raman spectroscopy (SERS) is a highly studied technique for simple and rapid trace analysis. Screen-printing, a low-cost fabrication method, has been proposed as a reproducible and affordable approach for the preparation of 3D SERS-active substrates. In this work, a new solution-based film fabrication method is proposed for the preparation of Au@SiO2 3D SERS-active substrates. The procedure involved the synthesis of SiO2 nanoparticles for the deposition of thin porous SiO2 films on silica slides using a screen-printing approach. Annealed SiO2 particle films were subsequently functionalized to promote the adsorption of Au nanoparticles in the SiO2 matrix. Materials and films were characterized using several methods. The effects of particle properties and paste formulation on the analytical SERS performance of the film were studied using Rhodamine 6G as the target analyte; even though it is difficult to compare between studies, due to the lack of well-established standardization protocols.","abstract_html":"Surface-enhanced Raman spectroscopy (SERS) is a highly studied technique for simple and rapid trace analysis. Screen-printing, a low-cost fabrication method, has been proposed as a reproducible and affordable approach for the preparation of 3D SERS-active substrates. In this work, a new solution-based film fabrication method is proposed for the preparation of Au@SiO2 3D SERS-active substrates. The procedure involved the synthesis of SiO2 nanoparticles for the deposition of thin porous SiO2 films on silica slides using a screen-printing approach. Annealed SiO2 particle films were subsequently functionalized to promote the adsorption of Au nanoparticles in the SiO2 matrix. Materials and films were characterized using several methods. The effects of particle properties and paste formulation on the analytical SERS performance of the film were studied using Rhodamine 6G as the target analyte; even though it is difficult to compare between studies, due to the lack of well-established standardization protocols.","abstract_has_math":false,"creators":["Simpson, Raquel E."],"institution":"University of Ontario Institute of Technology","degree_name":"Master of Science (MSc)","degree_level":null,"degree_discipline":"Materials Science","degree_department":null,"school":null,"contributors":[],"advisors":["Trevani, Liliana","Agarwal, Nisha Rani"],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023-02-01","date_published":"2023-02-01","updated_at":"2026-07-24T05:35:38Z","subjects":["SERS","Au","SiO2","Au nanoparticles","Stöber method"],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10155/1602","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Trevani, Liliana","Agarwal, Nisha Rani"]},{"key":"dc:creator","label":"Author","values":["Simpson, Raquel E."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2023-04-24T15:52:33Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2023-04-24T15:52:33Z"]},{"key":"dc:date.issued","label":"Date","values":["2023-02-01"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Materials Science"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MSc)"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Ontario Institute of Technology"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["SERS","Au","SiO2","Au nanoparticles","Stöber method"]}]},{"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":["https://hdl.handle.net/10155/1602"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Surface-enhanced Raman spectroscopy (SERS) is a highly studied technique for simple and rapid trace analysis. Screen-printing, a low-cost fabrication method, has been proposed as a reproducible and affordable approach for the preparation of 3D SERS-active substrates. In this work, a new solution-based film fabrication method is proposed for the preparation of Au@SiO2 3D SERS-active substrates. The procedure involved the synthesis of SiO2 nanoparticles for the deposition of thin porous SiO2 films on silica slides using a screen-printing approach. Annealed SiO2 particle films were subsequently functionalized to promote the adsorption of Au nanoparticles in the SiO2 matrix. Materials and films were characterized using several methods. The effects of particle properties and paste formulation on the analytical SERS performance of the film were studied using Rhodamine 6G as the target analyte; even though it is difficult to compare between studies, due to the lack of well-established standardization protocols."]},{"key":"dc:title","label":"Title","values":["Performance assessment of Au SERS substrates prepared by deposition of Au nanoparticles on screen-printed SiO2 particle films"]}]}],"canonical_facts":{"dc:contributor.advisor":["Trevani, Liliana","Agarwal, Nisha Rani"],"dc:creator":["Simpson, Raquel E."],"dc:date.accessioned":["2023-04-24T15:52:33Z"],"dc:date.available":["2023-04-24T15:52:33Z"],"dc:date.issued":["2023-02-01"],"dc:description.abstract":["Surface-enhanced Raman spectroscopy (SERS) is a highly studied technique for simple and rapid trace analysis. Screen-printing, a low-cost fabrication method, has been proposed as a reproducible and affordable approach for the preparation of 3D SERS-active substrates. In this work, a new solution-based film fabrication method is proposed for the preparation of Au@SiO2 3D SERS-active substrates. The procedure involved the synthesis of SiO2 nanoparticles for the deposition of thin porous SiO2 films on silica slides using a screen-printing approach. Annealed SiO2 particle films were subsequently functionalized to promote the adsorption of Au nanoparticles in the SiO2 matrix. Materials and films were characterized using several methods. The effects of particle properties and paste formulation on the analytical SERS performance of the film were studied using Rhodamine 6G as the target analyte; even though it is difficult to compare between studies, due to the lack of well-established standardization protocols."],"dc:identifier.uri":["https://hdl.handle.net/10155/1602"],"dc:language.iso":["en"],"dc:subject":["SERS","Au","SiO2","Au nanoparticles","Stöber method"],"dc:title":["Performance assessment of Au SERS substrates prepared by deposition of Au nanoparticles on screen-printed SiO2 particle films"],"dc:type":["Thesis"],"thesis:degree_discipline":["Materials Science"],"thesis:degree_name":["Master of Science (MSc)"],"thesis:institution_name":["University of Ontario Institute of Technology"]},"updated_at":"2026-07-24T05:35:38Z"}