{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/18385"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/18385","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Fabrication, dynamics and self-assembly of anisotropic colloidal particles","abstract":"\"The self-assembly of colloidal particles into larger structures is of interest both scientifically and technologically. The range of possible structures that may be formed by isotropically-interacting spherical particles is narrow, encompassing only a few possibilities. To overcome this limitation, one can introduce one or more forms of anisotropy to the particles to guide their self-assembly.In this work, we study the fabrication and behavior of polymeric microparticles that are chemically- and shape-anisotropic. Single-component, rod-shaped particles are fabricated by stop-flow lithography (SFL) using either hydrophobic and hydrophilic materials. SFL is also used to fabricateJanus particles that incorporate both chemistries within a single particle. The dynamical behavior and self-assembly of these rods are investigated using fluorescence and confocal microscopy over a rangeof different aspect ratios and environmental conditions. We also developed image processing algorithms to enable the quantitative analysis of these data, adapting standard particle identification and tracking techniques to the analysis of rod-shaped colloids.Finally, we demonstrated the fabrication of colloidal particles with branched and more complex morphologies, and briefly studied the self-assembly of these \"\"patchy\"\" particles.\"","abstract_html":""The self-assembly of colloidal particles into larger structures is of interest both scientifically and technologically. The range of possible structures that may be formed by isotropically-interacting spherical particles is narrow, encompassing only a few possibilities. To overcome this limitation, one can introduce one or more forms of anisotropy to the particles to guide their self-assembly.In this work, we study the fabrication and behavior of polymeric microparticles that are chemically- and shape-anisotropic. Single-component, rod-shaped particles are fabricated by stop-flow lithography (SFL) using either hydrophobic and hydrophilic materials. SFL is also used to fabricateJanus particles that incorporate both chemistries within a single particle. The dynamical behavior and self-assembly of these rods are investigated using fluorescence and confocal microscopy over a rangeof different aspect ratios and environmental conditions. We also developed image processing algorithms to enable the quantitative analysis of these data, adapting standard particle identification and tracking techniques to the analysis of rod-shaped colloids.Finally, we demonstrated the fabrication of colloidal particles with branched and more complex morphologies, and briefly studied the self-assembly of these ""patchy"" particles."","abstract_has_math":false,"creators":["Deconinck, Adam J."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Materials Science & Engr","degree_department":null,"school":null,"contributors":["Lewis, Jennifer A."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-01-14T22:48:35Z","date_published":"2011-01-14T22:48:35Z","updated_at":"2026-07-22T22:25:11Z","subjects":["colloids","patchy particles","self-assembly","dynamics","particle tracking"],"languages":["en"],"rights":["Copyright 2010 Adam J. DeConinck"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/18385","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Lewis, Jennifer A."]},{"key":"dc:creator","label":"Author","values":["Deconinck, Adam J."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-01-14T22:48:35Z","2010-12"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Materials Science & 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":["colloids","patchy particles","self-assembly","dynamics","particle tracking"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2010 Adam J. 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SFL is also used to fabricateJanus particles that incorporate both chemistries within a single particle. The dynamical behavior and self-assembly of these rods are investigated using fluorescence and confocal microscopy over a rangeof different aspect ratios and environmental conditions. We also developed image processing algorithms to enable the quantitative analysis of these data, adapting standard particle identification and tracking techniques to the analysis of rod-shaped colloids.Finally, we demonstrated the fabrication of colloidal particles with branched and more complex morphologies, and briefly studied the self-assembly of these \"\"patchy\"\" particles.\"","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2010-11-05T15:42:00Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 1 thesis.pdf: 50206176 bytes, checksum: 6d894dfc7e01b80b3293e80ff7177cb2 (MD5)","Made available in DSpace on 2011-01-14T22:48:35Z (GMT). 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Single-component, rod-shaped particles are fabricated by stop-flow lithography (SFL) using either hydrophobic and hydrophilic materials. SFL is also used to fabricateJanus particles that incorporate both chemistries within a single particle. The dynamical behavior and self-assembly of these rods are investigated using fluorescence and confocal microscopy over a rangeof different aspect ratios and environmental conditions. We also developed image processing algorithms to enable the quantitative analysis of these data, adapting standard particle identification and tracking techniques to the analysis of rod-shaped colloids.Finally, we demonstrated the fabrication of colloidal particles with branched and more complex morphologies, and briefly studied the self-assembly of these \"\"patchy\"\" particles.\"","Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2010-11-05T15:42:00Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 1 thesis.pdf: 50206176 bytes, checksum: 6d894dfc7e01b80b3293e80ff7177cb2 (MD5)","Made available in DSpace on 2011-01-14T22:48:35Z (GMT). No. of bitstreams: 2 deconinck_adam.pdf: 50206756 bytes, checksum: c0ded02c53631531c8406116ac6140b9 (MD5) license.txt: 4064 bytes, checksum: c166064e21f6836365e1c633514e146d (MD5)"],"dc:identifier":["http://hdl.handle.net/2142/18385"],"dc:language":["en"],"dc:rights":["Copyright 2010 Adam J. DeConinck"],"dc:subject":["colloids","patchy particles","self-assembly","dynamics","particle tracking"],"dc:title":["Fabrication, dynamics and self-assembly of anisotropic colloidal particles"],"thesis:degree_discipline":["Materials Science & Engr"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:11Z"}