{"id":{"repo_id":"cornell","oai_identifier":"oai:ecommons.cornell.edu:1813/115873"},"canonical_url":"https://search.dev.ndltd.org/etd/cornell/oai:ecommons.cornell.edu:1813/115873","repository":{"repo_id":"cornell","name":"Cornell University","base_url":"https://ecommons.cornell.edu/server/oai/request"},"display":{"title":"INVESTIGATION OF CARBON DOTS BEHAVIOR: DIFFUSIOPHORESIS AND INFLUENCE ON THE OIL-WATER INTERFACES","abstract":"Carbon dots (CDs) are promising for enhanced oil recovery, medical and environmental applications, but the successful implementation of CDs in these fields needs a comprehensive understanding of their transport behavior within solvent gradients and their influence on interfacial tension and surface wettability.In this study, stable carbon dots (CDs), 4-10 nm in size with -7 mV zeta potential, have been synthesized through pyrolysis of citric acid and ethanolamine. The diffusiophoretic behavior of CDs was observed in both deionized water (DI) and seawater (SW), where CDs can move with or against solvent gradients. Additionally, CDs’ ability in altering surface wettability and interfacial tension (IFT) with notable jamming at high concentrations was recorded, highlighting the CDs’ capability in stabilizing emulsions, which further confirmed through laser confocal microscopy. This comprehensive exploration of CDs’ properties and behavior offer valuable insights into their applicability in fields requiring controlled transport and stability in fluid systems.","abstract_html":"Carbon dots (CDs) are promising for enhanced oil recovery, medical and environmental applications, but the successful implementation of CDs in these fields needs a comprehensive understanding of their transport behavior within solvent gradients and their influence on interfacial tension and surface wettability.In this study, stable carbon dots (CDs), 4-10 nm in size with -7 mV zeta potential, have been synthesized through pyrolysis of citric acid and ethanolamine. The diffusiophoretic behavior of CDs was observed in both deionized water (DI) and seawater (SW), where CDs can move with or against solvent gradients. Additionally, CDs’ ability in altering surface wettability and interfacial tension (IFT) with notable jamming at high concentrations was recorded, highlighting the CDs’ capability in stabilizing emulsions, which further confirmed through laser confocal microscopy. This comprehensive exploration of CDs’ properties and behavior offer valuable insights into their applicability in fields requiring controlled transport and stability in fluid systems.","abstract_has_math":false,"creators":["Wokas, Fairus"],"institution":"Cornell University","degree_name":"M.S., Chemistry and Chemical Biology","degree_level":"Master of Science","degree_discipline":"Chemistry and Chemical Biology","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":["Giannelis, Emmanuel"],"year":2024,"date_issued":"2024-05","date_published":"2024-05","updated_at":"2026-07-24T01:48:58Z","subjects":["Carbon Dots","Diffusiophoresis","Interfacial Tension","Nanomaterials","Oil-Water Interfaces","Wettability"],"languages":["en"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.7298/b066-jn53"],"render_values":[{"text":"https://doi.org/10.7298/b066-jn53","href":"https://doi.org/10.7298/b066-jn53","code":true}]},{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["ProQuest Submission ID: 12093","ProQuest Publication ID: 31242970"],"render_values":[{"text":"ProQuest Submission ID: 12093","href":null,"code":true},{"text":"ProQuest Publication ID: 31242970","href":null,"code":true}]}]},"links":{"outbound_url":"https://hdl.handle.net/1813/115873","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Giannelis, Emmanuel"]},{"key":"dc:creator","label":"Author","values":["Wokas, Fairus"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2024-11-05T19:42:59Z"]},{"key":"dc:date.issued","label":"Date","values":["2024-05"]},{"key":"dc:type","label":"Dc Type","values":["dissertation or thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemistry and Chemical Biology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Master of Science"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S., Chemistry and Chemical Biology"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Cornell University"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Carbon Dots","Diffusiophoresis","Interfacial Tension","Nanomaterials","Oil-Water Interfaces","Wettability"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.doi","label":"DOI","values":["https://doi.org/10.7298/b066-jn53"]},{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["ProQuest Submission ID: 12093","ProQuest Publication ID: 31242970"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/1813/115873"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["60 pages"]},{"key":"dc:description.abstract","label":"Abstract","values":["Carbon dots (CDs) are promising for enhanced oil recovery, medical and environmental applications, but the successful implementation of CDs in these fields needs a comprehensive understanding of their transport behavior within solvent gradients and their influence on interfacial tension and surface wettability.In this study, stable carbon dots (CDs), 4-10 nm in size with -7 mV zeta potential, have been synthesized through pyrolysis of citric acid and ethanolamine. The diffusiophoretic behavior of CDs was observed in both deionized water (DI) and seawater (SW), where CDs can move with or against solvent gradients. Additionally, CDs’ ability in altering surface wettability and interfacial tension (IFT) with notable jamming at high concentrations was recorded, highlighting the CDs’ capability in stabilizing emulsions, which further confirmed through laser confocal microscopy. This comprehensive exploration of CDs’ properties and behavior offer valuable insights into their applicability in fields requiring controlled transport and stability in fluid systems."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["INVESTIGATION OF CARBON DOTS BEHAVIOR: DIFFUSIOPHORESIS AND INFLUENCE ON THE OIL-WATER INTERFACES"]}]}],"canonical_facts":{"dc:contributor.committeemember":["Giannelis, Emmanuel"],"dc:creator":["Wokas, Fairus"],"dc:date.accessioned":["2024-11-05T19:42:59Z"],"dc:date.issued":["2024-05"],"dc:description":["60 pages"],"dc:description.abstract":["Carbon dots (CDs) are promising for enhanced oil recovery, medical and environmental applications, but the successful implementation of CDs in these fields needs a comprehensive understanding of their transport behavior within solvent gradients and their influence on interfacial tension and surface wettability.In this study, stable carbon dots (CDs), 4-10 nm in size with -7 mV zeta potential, have been synthesized through pyrolysis of citric acid and ethanolamine. The diffusiophoretic behavior of CDs was observed in both deionized water (DI) and seawater (SW), where CDs can move with or against solvent gradients. Additionally, CDs’ ability in altering surface wettability and interfacial tension (IFT) with notable jamming at high concentrations was recorded, highlighting the CDs’ capability in stabilizing emulsions, which further confirmed through laser confocal microscopy. This comprehensive exploration of CDs’ properties and behavior offer valuable insights into their applicability in fields requiring controlled transport and stability in fluid systems."],"dc:format.mimetype":["application/pdf"],"dc:identifier.doi":["https://doi.org/10.7298/b066-jn53"],"dc:identifier.other":["ProQuest Submission ID: 12093","ProQuest Publication ID: 31242970"],"dc:identifier.uri":["https://hdl.handle.net/1813/115873"],"dc:language.iso":["en"],"dc:subject":["Carbon Dots","Diffusiophoresis","Interfacial Tension","Nanomaterials","Oil-Water Interfaces","Wettability"],"dc:title":["INVESTIGATION OF CARBON DOTS BEHAVIOR: DIFFUSIOPHORESIS AND INFLUENCE ON THE OIL-WATER INTERFACES"],"dc:type":["dissertation or thesis"],"thesis:degree_discipline":["Chemistry and Chemical Biology"],"thesis:degree_level":["Master of Science"],"thesis:degree_name":["M.S., Chemistry and Chemical Biology"],"thesis:institution_name":["Cornell University"]},"updated_at":"2026-07-24T01:48:58Z"}