{"id":{"repo_id":"qucosa-diss","oai_identifier":"oai:qucosa:de:qucosa:23894"},"canonical_url":"https://search.dev.ndltd.org/etd/qucosa-diss/oai:qucosa:de:qucosa:23894","repository":{"repo_id":"qucosa-diss","name":"QUCOSA","base_url":"http://www.qucosa.de/oai/"},"display":{"title":"Immobilization of Inorganic Nanoparticles on Responsive Polymer Brushes","abstract":"Exploitation of well defined responsive polymer brushes for direct and controlled immobilization of metal/semiconductor nanoparticles on macroscopic surfaces has been demonstrated. The employed approach offers the possibility of the organization of a variety of inorganic nanoparticles by irreversible bonding and homogenous distribution on an underlying substrate. The immobilization process has been realized by chemical grafting of a variety of polymer brushes on a suitable substrate followed by the attachment of pre-/in-situ formed nanoparticles exploiting the chemical/physical interactions between surface functionalities of nanoparticles and polymer chain segments. A number of polymer brushes including poly (acrylic acid), polystyrene, poly (2-vinyl pyridine) and poly (N-isopropyl acrylamide) brushes have been prepared on silicon substrate by the “grafting to” approach. A variety of inorganic nanoparticles such as quantum dots (CdTe) noble metals (gold and silver) and magnetic (Fe3O4) were immobilized on macroscopic surfaces to impart them photo luminescent, catalytic or magnetic properties. In addition, responsiveness of grafted polymer brushes in terms of variation in thickness (due to changes in chain conformation) as a function of external stimuli such as solvent and pH allowed to use the resulting polymer brush-nanoparticles nanoassemblies in the fabrication of nanosensors. The design of fabricated nanosensors is based on the modulation in the interparticle distance of immobilized nanoparticles due to swelling/deswelling of underlined polymer brushes in response to some external trigger.","abstract_html":"Exploitation of well defined responsive polymer brushes for direct and controlled immobilization of metal/semiconductor nanoparticles on macroscopic surfaces has been demonstrated. The employed approach offers the possibility of the organization of a variety of inorganic nanoparticles by irreversible bonding and homogenous distribution on an underlying substrate. The immobilization process has been realized by chemical grafting of a variety of polymer brushes on a suitable substrate followed by the attachment of pre-/in-situ formed nanoparticles exploiting the chemical/physical interactions between surface functionalities of nanoparticles and polymer chain segments. A number of polymer brushes including poly (acrylic acid), polystyrene, poly (2-vinyl pyridine) and poly (N-isopropyl acrylamide) brushes have been prepared on silicon substrate by the “grafting to” approach. A variety of inorganic nanoparticles such as quantum dots (CdTe) noble metals (gold and silver) and magnetic (Fe3O4) were immobilized on macroscopic surfaces to impart them photo luminescent, catalytic or magnetic properties. In addition, responsiveness of grafted polymer brushes in terms of variation in thickness (due to changes in chain conformation) as a function of external stimuli such as solvent and pH allowed to use the resulting polymer brush-nanoparticles nanoassemblies in the fabrication of nanosensors. The design of fabricated nanosensors is based on the modulation in the interparticle distance of immobilized nanoparticles due to swelling/deswelling of underlined polymer brushes in response to some external trigger.","abstract_has_math":false,"creators":["Gupta, Smrati"],"institution":"Technische Universität Dresden","degree_name":null,"degree_level":"thesis.doctoral","degree_discipline":null,"degree_department":null,"school":null,"contributors":["Stamm, Manfred","Adler, Hans-Jürgen Peter","Varma, Indira Kumari"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2008,"date_issued":"2008-09-19","date_published":"2008-09-19","updated_at":"2026-07-24T03:58:02Z","subjects":["Polymer brushes","Nanoparticles","Immobilization","Polymerbürsten","Nanopartikel","Immobilisierung"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Stamm, Manfred","Adler, Hans-Jürgen Peter","Varma, Indira Kumari"]},{"key":"dc:creator","label":"Author","values":["Gupta, Smrati"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:publisher","label":"Institution","values":["Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden","Technische Universität Dresden"]},{"key":"dc:type","label":"Dc Type","values":["doctoralThesis"]},{"key":"thesis:degree_level","label":"Degree Level","values":["thesis.doctoral"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Technische Universität Dresden"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Polymer brushes","Nanoparticles","Immobilization","Polymerbürsten","Nanopartikel","Immobilisierung"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Exploitation of well defined responsive polymer brushes for direct and controlled immobilization of metal/semiconductor nanoparticles on macroscopic surfaces has been demonstrated. The employed approach offers the possibility of the organization of a variety of inorganic nanoparticles by irreversible bonding and homogenous distribution on an underlying substrate. The immobilization process has been realized by chemical grafting of a variety of polymer brushes on a suitable substrate followed by the attachment of pre-/in-situ formed nanoparticles exploiting the chemical/physical interactions between surface functionalities of nanoparticles and polymer chain segments. A number of polymer brushes including poly (acrylic acid), polystyrene, poly (2-vinyl pyridine) and poly (N-isopropyl acrylamide) brushes have been prepared on silicon substrate by the “grafting to” approach. A variety of inorganic nanoparticles such as quantum dots (CdTe) noble metals (gold and silver) and magnetic (Fe3O4) were immobilized on macroscopic surfaces to impart them photo luminescent, catalytic or magnetic properties. In addition, responsiveness of grafted polymer brushes in terms of variation in thickness (due to changes in chain conformation) as a function of external stimuli such as solvent and pH allowed to use the resulting polymer brush-nanoparticles nanoassemblies in the fabrication of nanosensors. The design of fabricated nanosensors is based on the modulation in the interparticle distance of immobilized nanoparticles due to swelling/deswelling of underlined polymer brushes in response to some external trigger."]},{"key":"dc:title","label":"Title","values":["Immobilization of Inorganic Nanoparticles on Responsive Polymer Brushes"]}]}],"canonical_facts":{"dc:contributor":["Stamm, Manfred","Adler, Hans-Jürgen Peter","Varma, Indira Kumari"],"dc:creator":["Gupta, Smrati"],"dc:description.abstract":["Exploitation of well defined responsive polymer brushes for direct and controlled immobilization of metal/semiconductor nanoparticles on macroscopic surfaces has been demonstrated. The employed approach offers the possibility of the organization of a variety of inorganic nanoparticles by irreversible bonding and homogenous distribution on an underlying substrate. The immobilization process has been realized by chemical grafting of a variety of polymer brushes on a suitable substrate followed by the attachment of pre-/in-situ formed nanoparticles exploiting the chemical/physical interactions between surface functionalities of nanoparticles and polymer chain segments. A number of polymer brushes including poly (acrylic acid), polystyrene, poly (2-vinyl pyridine) and poly (N-isopropyl acrylamide) brushes have been prepared on silicon substrate by the “grafting to” approach. A variety of inorganic nanoparticles such as quantum dots (CdTe) noble metals (gold and silver) and magnetic (Fe3O4) were immobilized on macroscopic surfaces to impart them photo luminescent, catalytic or magnetic properties. In addition, responsiveness of grafted polymer brushes in terms of variation in thickness (due to changes in chain conformation) as a function of external stimuli such as solvent and pH allowed to use the resulting polymer brush-nanoparticles nanoassemblies in the fabrication of nanosensors. The design of fabricated nanosensors is based on the modulation in the interparticle distance of immobilized nanoparticles due to swelling/deswelling of underlined polymer brushes in response to some external trigger."],"dc:publisher":["Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden","Technische Universität Dresden"],"dc:subject":["Polymer brushes","Nanoparticles","Immobilization","Polymerbürsten","Nanopartikel","Immobilisierung"],"dc:title":["Immobilization of Inorganic Nanoparticles on Responsive Polymer Brushes"],"dc:type":["doctoralThesis"],"thesis:degree_level":["thesis.doctoral"],"thesis:institution_name":["Technische Universität Dresden"]},"updated_at":"2026-07-24T03:58:02Z"}