{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/26129"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/26129","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Surface enhanced Raman spectroscopy based on black silver and micro-pyramids array","abstract":"Surface-enhanced Raman spectroscopy (SERS) has been increasingly utilized as an analytical technique with significant chemical and biological applications due to its high sensitivity, selectivity and accuracy. As nanotextured surfaces play a key role in SERS, production of highly sensitive, low cost, uniform, high throughput and biologically compatible SERS substrates and evaluation of the performance of SERS substrates remain as important issues for industrialization of SERS. This thesis presents the fabrication, modeling and characterization of two kinds of SERS substrates: one has a nanoconic surface structure, which we call black silver, and the other consists of plastic replica molded pyramids, which we call SERS pyramids. The Raman enhancement factor is calculated as 6.38$\\times$10$^7$ for black silver and 1.6$\\times$10$^6$ for SERS pyramids. In addition, two exemplary applications of black silver SERS substrates---the detection of contaminants leached from lab-use plasticware and peptide label-free sensing---are demonstrated.","abstract_html":"Surface-enhanced Raman spectroscopy (SERS) has been increasingly utilized as an analytical technique with significant chemical and biological applications due to its high sensitivity, selectivity and accuracy. As nanotextured surfaces play a key role in SERS, production of highly sensitive, low cost, uniform, high throughput and biologically compatible SERS substrates and evaluation of the performance of SERS substrates remain as important issues for industrialization of SERS. This thesis presents the fabrication, modeling and characterization of two kinds of SERS substrates: one has a nanoconic surface structure, which we call black silver, and the other consists of plastic replica molded pyramids, which we call SERS pyramids. The Raman enhancement factor is calculated as 6.38$\\times$10<span class=\"etd-inline-math\"><sup>7</sup></span> for black silver and 1.6$\\times$10<span class=\"etd-inline-math\"><sup>6</sup></span> for SERS pyramids. In addition, two exemplary applications of black silver SERS substrates---the detection of contaminants leached from lab-use plasticware and peptide label-free sensing---are demonstrated.","abstract_has_math":true,"creators":["Xu, Zhida"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Electrical & Computer Engr","degree_department":null,"school":null,"contributors":["Liu, Gang Logan"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-08-25T22:15:15Z","date_published":"2011-08-25T22:15:15Z","updated_at":"2026-07-22T22:25:26Z","subjects":["Surface-enhanced Raman spectroscopy (SERS)","black silver","RIE etching","peptide sensing","water contamination","reactive-ion etching (RIE)"],"languages":["en"],"rights":["Copyright 2011 Zhida Xu"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/26129","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Liu, Gang Logan"]},{"key":"dc:creator","label":"Author","values":["Xu, Zhida"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-08-25T22:15:15Z","2011-08"]},{"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 at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Surface-enhanced Raman spectroscopy (SERS)","black silver","RIE etching","peptide sensing","water contamination","reactive-ion etching (RIE)"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2011 Zhida Xu"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/26129"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Surface-enhanced Raman spectroscopy (SERS) has been increasingly utilized as an analytical technique with significant chemical and biological applications due to its high sensitivity, selectivity and accuracy. As nanotextured surfaces play a key role in SERS, production of highly sensitive, low cost, uniform, high throughput and biologically compatible SERS substrates and evaluation of the performance of SERS substrates remain as important issues for industrialization of SERS. This thesis presents the fabrication, modeling and characterization of two kinds of SERS substrates: one has a nanoconic surface structure, which we call black silver, and the other consists of plastic replica molded pyramids, which we call SERS pyramids. The Raman enhancement factor is calculated as 6.38$\\times$10$^7$ for black silver and 1.6$\\times$10$^6$ for SERS pyramids. In addition, two exemplary applications of black silver SERS substrates---the detection of contaminants leached from lab-use plasticware and peptide label-free sensing---are demonstrated.","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2011-07-13T15:54:08Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 2 ecethesis.tex: 84027 bytes, checksum: bc3ee86b57aeee535d2b63baefbea44b (MD5) Xu_Zhida.pdf: 2936513 bytes, checksum: 695ea6d034447cb1bc694df7ec224ce6 (MD5)","Made available in DSpace on 2011-08-25T22:15:15Z (GMT). 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As nanotextured surfaces play a key role in SERS, production of highly sensitive, low cost, uniform, high throughput and biologically compatible SERS substrates and evaluation of the performance of SERS substrates remain as important issues for industrialization of SERS. This thesis presents the fabrication, modeling and characterization of two kinds of SERS substrates: one has a nanoconic surface structure, which we call black silver, and the other consists of plastic replica molded pyramids, which we call SERS pyramids. The Raman enhancement factor is calculated as 6.38$\\times$10$^7$ for black silver and 1.6$\\times$10$^6$ for SERS pyramids. 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