{"id":{"repo_id":"cornell","oai_identifier":"oai:ecommons.cornell.edu:1813/116365"},"canonical_url":"https://search.dev.ndltd.org/etd/cornell/oai:ecommons.cornell.edu:1813/116365","repository":{"repo_id":"cornell","name":"Cornell University","base_url":"https://ecommons.cornell.edu/server/oai/request"},"display":{"title":"OPTIMIZATION AND CHARACTERIZATION OF SELF-ASSEMBLED POLY(STYRENE-B-(3,4-ISOPRENE-STAT-1,2-ISOPRENE) BLOCK COPOLYMER THIN FILMS","abstract":"Block copolymer thin films with tunable surface chemistry and nanoscale self-assembled structures are promising candidates as advanced templates for inorganic crystallization. Their periodic order, nanoscale spacing and precise control of surface chemistry in one block allow them to confine the crystal nucleation and growth both physically and chemically. In this work, a poly(styrene-b-(3,4-isoprene-stat-1,2-isoprene) (PS-b-(3,4-PI-stat-1,2-PI)) thin film system was developed, optimized and characterized by atomic force microscopy (AFM). Stable PS-b-(3,4-PI-stat-1,2-PI) thin films in an aqueous environment were achieved via substrate modification of silicon wafers. Furthermore, thin film blends with different amounts of hPS mixed with PS-b-(3,4-PI-stat-1,2-PI) BCP were prepared and investigated in order to achieve periodic well-like surface structures, similar to what had been achieved for PS-b-P(AGE-co-EO) thin films. Finally, post-fabrication functionalization of PS-b-(3,4-PI-stat-1,2-PI)/hPS was performed with amino acids, demonstrating that thin film surface structure before and after functionalization was maintained both in air and in aqueous solutions. This approach demonstrated a new materials platform providing reliable structure and chemistry stability for aqueous crystal templating processes.","abstract_html":"Block copolymer thin films with tunable surface chemistry and nanoscale self-assembled structures are promising candidates as advanced templates for inorganic crystallization. Their periodic order, nanoscale spacing and precise control of surface chemistry in one block allow them to confine the crystal nucleation and growth both physically and chemically. In this work, a poly(styrene-b-(3,4-isoprene-stat-1,2-isoprene) (PS-b-(3,4-PI-stat-1,2-PI)) thin film system was developed, optimized and characterized by atomic force microscopy (AFM). Stable PS-b-(3,4-PI-stat-1,2-PI) thin films in an aqueous environment were achieved via substrate modification of silicon wafers. Furthermore, thin film blends with different amounts of hPS mixed with PS-b-(3,4-PI-stat-1,2-PI) BCP were prepared and investigated in order to achieve periodic well-like surface structures, similar to what had been achieved for PS-b-P(AGE-co-EO) thin films. Finally, post-fabrication functionalization of PS-b-(3,4-PI-stat-1,2-PI)/hPS was performed with amino acids, demonstrating that thin film surface structure before and after functionalization was maintained both in air and in aqueous solutions. This approach demonstrated a new materials platform providing reliable structure and chemistry stability for aqueous crystal templating processes.","abstract_has_math":false,"creators":["Zhang, Wanting"],"institution":"Cornell University","degree_name":"M.S., Materials Science and Engineering","degree_level":"Master of Science","degree_discipline":"Materials Science and Engineering","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":["Wiesner, Ulrich"],"year":2024,"date_issued":"2024-08","date_published":"2024-08","updated_at":"2026-07-24T01:49:04Z","subjects":[],"languages":["en"],"rights":["Attribution-NonCommercial-ShareAlike 4.0 International"],"rights_urls":["https://creativecommons.org/licenses/by-nc-sa/4.0/"],"identifier_entries":[{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.7298/30pc-s452"],"render_values":[{"text":"https://doi.org/10.7298/30pc-s452","href":"https://doi.org/10.7298/30pc-s452","code":true}]},{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["ProQuest Submission ID: 12240","ProQuest Publication ID: 31488739"],"render_values":[{"text":"ProQuest Submission ID: 12240","href":null,"code":true},{"text":"ProQuest Publication ID: 31488739","href":null,"code":true}]}]},"links":{"outbound_url":"https://hdl.handle.net/1813/116365","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Wiesner, Ulrich"]},{"key":"dc:creator","label":"Author","values":["Zhang, Wanting"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2025-01-14T19:40:10Z"]},{"key":"dc:date.issued","label":"Date","values":["2024-08"]},{"key":"dc:type","label":"Dc Type","values":["dissertation or thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Materials Science and Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Master of Science"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S., Materials Science and Engineering"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Cornell University"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Attribution-NonCommercial-ShareAlike 4.0 International"]},{"key":"dc:rights.uri","label":"Rights URI","values":["https://creativecommons.org/licenses/by-nc-sa/4.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.7298/30pc-s452"]},{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["ProQuest Submission ID: 12240","ProQuest Publication ID: 31488739"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/1813/116365"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["78 pages"]},{"key":"dc:description.abstract","label":"Abstract","values":["Block copolymer thin films with tunable surface chemistry and nanoscale self-assembled structures are promising candidates as advanced templates for inorganic crystallization. Their periodic order, nanoscale spacing and precise control of surface chemistry in one block allow them to confine the crystal nucleation and growth both physically and chemically. In this work, a poly(styrene-b-(3,4-isoprene-stat-1,2-isoprene) (PS-b-(3,4-PI-stat-1,2-PI)) thin film system was developed, optimized and characterized by atomic force microscopy (AFM). Stable PS-b-(3,4-PI-stat-1,2-PI) thin films in an aqueous environment were achieved via substrate modification of silicon wafers. Furthermore, thin film blends with different amounts of hPS mixed with PS-b-(3,4-PI-stat-1,2-PI) BCP were prepared and investigated in order to achieve periodic well-like surface structures, similar to what had been achieved for PS-b-P(AGE-co-EO) thin films. Finally, post-fabrication functionalization of PS-b-(3,4-PI-stat-1,2-PI)/hPS was performed with amino acids, demonstrating that thin film surface structure before and after functionalization was maintained both in air and in aqueous solutions. This approach demonstrated a new materials platform providing reliable structure and chemistry stability for aqueous crystal templating processes."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["OPTIMIZATION AND CHARACTERIZATION OF SELF-ASSEMBLED POLY(STYRENE-B-(3,4-ISOPRENE-STAT-1,2-ISOPRENE) BLOCK COPOLYMER THIN FILMS"]}]}],"canonical_facts":{"dc:contributor.committeemember":["Wiesner, Ulrich"],"dc:creator":["Zhang, Wanting"],"dc:date.accessioned":["2025-01-14T19:40:10Z"],"dc:date.issued":["2024-08"],"dc:description":["78 pages"],"dc:description.abstract":["Block copolymer thin films with tunable surface chemistry and nanoscale self-assembled structures are promising candidates as advanced templates for inorganic crystallization. Their periodic order, nanoscale spacing and precise control of surface chemistry in one block allow them to confine the crystal nucleation and growth both physically and chemically. In this work, a poly(styrene-b-(3,4-isoprene-stat-1,2-isoprene) (PS-b-(3,4-PI-stat-1,2-PI)) thin film system was developed, optimized and characterized by atomic force microscopy (AFM). Stable PS-b-(3,4-PI-stat-1,2-PI) thin films in an aqueous environment were achieved via substrate modification of silicon wafers. Furthermore, thin film blends with different amounts of hPS mixed with PS-b-(3,4-PI-stat-1,2-PI) BCP were prepared and investigated in order to achieve periodic well-like surface structures, similar to what had been achieved for PS-b-P(AGE-co-EO) thin films. Finally, post-fabrication functionalization of PS-b-(3,4-PI-stat-1,2-PI)/hPS was performed with amino acids, demonstrating that thin film surface structure before and after functionalization was maintained both in air and in aqueous solutions. This approach demonstrated a new materials platform providing reliable structure and chemistry stability for aqueous crystal templating processes."],"dc:format.mimetype":["application/pdf"],"dc:identifier.doi":["https://doi.org/10.7298/30pc-s452"],"dc:identifier.other":["ProQuest Submission ID: 12240","ProQuest Publication ID: 31488739"],"dc:identifier.uri":["https://hdl.handle.net/1813/116365"],"dc:language.iso":["en"],"dc:rights":["Attribution-NonCommercial-ShareAlike 4.0 International"],"dc:rights.uri":["https://creativecommons.org/licenses/by-nc-sa/4.0/"],"dc:title":["OPTIMIZATION AND CHARACTERIZATION OF SELF-ASSEMBLED POLY(STYRENE-B-(3,4-ISOPRENE-STAT-1,2-ISOPRENE) BLOCK COPOLYMER THIN FILMS"],"dc:type":["dissertation or thesis"],"thesis:degree_discipline":["Materials Science and Engineering"],"thesis:degree_level":["Master of Science"],"thesis:degree_name":["M.S., Materials Science and Engineering"],"thesis:institution_name":["Cornell University"]},"updated_at":"2026-07-24T01:49:04Z"}