{"id":{"repo_id":"unm","oai_identifier":"oai:digitalrepository.unm.edu:cbe_etds-1029"},"canonical_url":"https://search.dev.ndltd.org/etd/unm/oai:digitalrepository.unm.edu:cbe_etds-1029","repository":{"repo_id":"unm","name":"University of New Mexico","base_url":"https://digitalrepository.unm.edu/do/oai/"},"display":{"title":"The Nucleation and Growth of Nanoparticles for Heterogeneous Catalysis","abstract":"These studies investigate the nucleation and growth of nanoparticles and how their interaction with a support affects their reactivity as a heterogeneous catalyst. As capabilities in both synthesis methods and characterization methods advance, the use of nanoparticles and sub-nanometer species are more commonly used. These small particles introduce new factors that can cause differences in reactivity. Various catalyst synthesis methods are employed to deposit mono-dispersed particles on different oxide and carbon supports. Electron microscopy is used to study nanoparticle sintering and the careful tracking of individual particles gives insight into growth mechanisms. X-ray absorption spectroscopy measurements are used to characterize catalysts and elucidate the reasons for a support effect in both hydrogenation and oxidations reactions. This investigation aims to produce a more active catalyst by exploring different aspects that play a role in reactivity and selectivity. Understanding the growth mechanisms that commonly to lead deactivation gets us one step closer to creating a sinter resistant catalyst. These studies also show that changing a catalyst support can increase its activity. The exploration of the fundamentals of nanoparticle structure and interaction with its surroundings leads to a more efficient catalyst.","abstract_html":"These studies investigate the nucleation and growth of nanoparticles and how their interaction with a support affects their reactivity as a heterogeneous catalyst. As capabilities in both synthesis methods and characterization methods advance, the use of nanoparticles and sub-nanometer species are more commonly used. These small particles introduce new factors that can cause differences in reactivity. Various catalyst synthesis methods are employed to deposit mono-dispersed particles on different oxide and carbon supports. Electron microscopy is used to study nanoparticle sintering and the careful tracking of individual particles gives insight into growth mechanisms. X-ray absorption spectroscopy measurements are used to characterize catalysts and elucidate the reasons for a support effect in both hydrogenation and oxidations reactions. This investigation aims to produce a more active catalyst by exploring different aspects that play a role in reactivity and selectivity. Understanding the growth mechanisms that commonly to lead deactivation gets us one step closer to creating a sinter resistant catalyst. These studies also show that changing a catalyst support can increase its activity. The exploration of the fundamentals of nanoparticle structure and interaction with its surroundings leads to a more efficient catalyst.","abstract_has_math":false,"creators":["Benavidez, Angelica"],"institution":null,"degree_name":"Chemical Engineering","degree_level":"Dissertation","degree_discipline":"Chemical and Biological Engineering","degree_department":null,"school":null,"contributors":["Datye, Abhaya","Loehman, Ronald","Karim, Ayman","Challa, Sivakumar"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-06-23T07:00:00Z","date_published":"2015-06-23T07:00:00Z","updated_at":"2026-07-24T05:26:42Z","subjects":["heterogeneous catalysis","nucleation"],"languages":["English"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://digitalrepository.unm.edu/cbe_etds/30"],"render_values":[{"text":"https://digitalrepository.unm.edu/cbe_etds/30","href":"https://digitalrepository.unm.edu/cbe_etds/30","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/1928/27761","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Datye, Abhaya","Loehman, Ronald","Karim, Ayman","Challa, Sivakumar"]},{"key":"dc:creator","label":"Author","values":["Benavidez, Angelica"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemical and Biological Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation","Doctoral"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Chemical Engineering"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["heterogeneous catalysis","nucleation"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/1928/27761","https://digitalrepository.unm.edu/cbe_etds/30"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["These studies investigate the nucleation and growth of nanoparticles and how their interaction with a support affects their reactivity as a heterogeneous catalyst. As capabilities in both synthesis methods and characterization methods advance, the use of nanoparticles and sub-nanometer species are more commonly used. These small particles introduce new factors that can cause differences in reactivity. Various catalyst synthesis methods are employed to deposit mono-dispersed particles on different oxide and carbon supports. Electron microscopy is used to study nanoparticle sintering and the careful tracking of individual particles gives insight into growth mechanisms. X-ray absorption spectroscopy measurements are used to characterize catalysts and elucidate the reasons for a support effect in both hydrogenation and oxidations reactions. This investigation aims to produce a more active catalyst by exploring different aspects that play a role in reactivity and selectivity. Understanding the growth mechanisms that commonly to lead deactivation gets us one step closer to creating a sinter resistant catalyst. These studies also show that changing a catalyst support can increase its activity. The exploration of the fundamentals of nanoparticle structure and interaction with its surroundings leads to a more efficient catalyst."]},{"key":"dc:title","label":"Title","values":["The Nucleation and Growth of Nanoparticles for Heterogeneous Catalysis"]}]}],"canonical_facts":{"dc:contributor":["Datye, Abhaya","Loehman, Ronald","Karim, Ayman","Challa, Sivakumar"],"dc:creator":["Benavidez, Angelica"],"dc:description.abstract":["These studies investigate the nucleation and growth of nanoparticles and how their interaction with a support affects their reactivity as a heterogeneous catalyst. As capabilities in both synthesis methods and characterization methods advance, the use of nanoparticles and sub-nanometer species are more commonly used. These small particles introduce new factors that can cause differences in reactivity. Various catalyst synthesis methods are employed to deposit mono-dispersed particles on different oxide and carbon supports. Electron microscopy is used to study nanoparticle sintering and the careful tracking of individual particles gives insight into growth mechanisms. X-ray absorption spectroscopy measurements are used to characterize catalysts and elucidate the reasons for a support effect in both hydrogenation and oxidations reactions. This investigation aims to produce a more active catalyst by exploring different aspects that play a role in reactivity and selectivity. Understanding the growth mechanisms that commonly to lead deactivation gets us one step closer to creating a sinter resistant catalyst. These studies also show that changing a catalyst support can increase its activity. The exploration of the fundamentals of nanoparticle structure and interaction with its surroundings leads to a more efficient catalyst."],"dc:identifier":["http://hdl.handle.net/1928/27761","https://digitalrepository.unm.edu/cbe_etds/30"],"dc:language":["English"],"dc:subject":["heterogeneous catalysis","nucleation"],"dc:title":["The Nucleation and Growth of Nanoparticles for Heterogeneous Catalysis"],"thesis:degree_discipline":["Chemical and Biological Engineering"],"thesis:degree_level":["Dissertation","Doctoral"],"thesis:degree_name":["Chemical Engineering"]},"updated_at":"2026-07-24T05:26:42Z"}