{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/144765"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/144765","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"On-Site Synthesis of Halide Perovskite Nanocrystals with Sub-50 nm Positional Accuracy","abstract":"Metal halide perovskites comprise a promising class of semiconductors with broad applications ranging from optoelectronics and photovoltaics to photocatalysis. To extend these applications to on-chip devices, on-site growth of perovskite nanocrystals with high positional accuracy must be achieved. In this thesis, we demonstrate a method for growing sub-50 nm halide perovskite nanocrystals with sub-50 nm positional accuracy. We first explore how local forces can be engineered to control particle positioning at the nanoscale. We then show how our parameters of control - namely template geometry and solvent contact angle - can be utilized to position nanocrystals within lithographic templates. This thesis reveals a unique strategy that overcomes the limitations of conventional lithographic processes for high-resolution growth of halide perovskites.","abstract_html":"Metal halide perovskites comprise a promising class of semiconductors with broad applications ranging from optoelectronics and photovoltaics to photocatalysis. To extend these applications to on-chip devices, on-site growth of perovskite nanocrystals with high positional accuracy must be achieved. In this thesis, we demonstrate a method for growing sub-50 nm halide perovskite nanocrystals with sub-50 nm positional accuracy. We first explore how local forces can be engineered to control particle positioning at the nanoscale. We then show how our parameters of control - namely template geometry and solvent contact angle - can be utilized to position nanocrystals within lithographic templates. This thesis reveals a unique strategy that overcomes the limitations of conventional lithographic processes for high-resolution growth of halide perovskites.","abstract_has_math":false,"creators":["Jastrzebska-Perfect, Patricia"],"institution":"Massachusetts Institute of Technology","degree_name":"Master","degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. 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To extend these applications to on-chip devices, on-site growth of perovskite nanocrystals with high positional accuracy must be achieved. In this thesis, we demonstrate a method for growing sub-50 nm halide perovskite nanocrystals with sub-50 nm positional accuracy. We first explore how local forces can be engineered to control particle positioning at the nanoscale. We then show how our parameters of control - namely template geometry and solvent contact angle - can be utilized to position nanocrystals within lithographic templates. This thesis reveals a unique strategy that overcomes the limitations of conventional lithographic processes for high-resolution growth of halide perovskites."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["S.M."]},{"key":"dc:title","label":"Title","values":["On-Site Synthesis of Halide Perovskite Nanocrystals with Sub-50 nm Positional Accuracy"]}]}],"canonical_facts":{"dc:contributor.advisor":["Niroui, Farnaz"],"dc:contributor.department":["Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science"],"dc:creator":["Jastrzebska-Perfect, Patricia"],"dc:date.accessioned":["2022-08-29T16:10:13Z"],"dc:date.available":["2022-08-29T16:10:13Z"],"dc:date.issued":["2022-05"],"dc:description.abstract":["Metal halide perovskites comprise a promising class of semiconductors with broad applications ranging from optoelectronics and photovoltaics to photocatalysis. To extend these applications to on-chip devices, on-site growth of perovskite nanocrystals with high positional accuracy must be achieved. In this thesis, we demonstrate a method for growing sub-50 nm halide perovskite nanocrystals with sub-50 nm positional accuracy. We first explore how local forces can be engineered to control particle positioning at the nanoscale. We then show how our parameters of control - namely template geometry and solvent contact angle - can be utilized to position nanocrystals within lithographic templates. This thesis reveals a unique strategy that overcomes the limitations of conventional lithographic processes for high-resolution growth of halide perovskites."],"dc:description.degree":["S.M."],"dc:identifier.uri":["https://hdl.handle.net/1721.1/144765"],"dc:publisher":["Massachusetts Institute of Technology"],"dc:rights":["In Copyright - Educational Use Permitted","Copyright MIT"],"dc:rights.uri":["http://rightsstatements.org/page/InC-EDU/1.0/"],"dc:title":["On-Site Synthesis of Halide Perovskite Nanocrystals with Sub-50 nm Positional Accuracy"],"dc:type":["Thesis"],"thesis:degree_name":["Master","Master of Science in Electrical Engineering and Computer Science"]},"updated_at":"2026-07-22T22:22:16Z"}