{"id":{"repo_id":"mit","oai_identifier":"oai:dspace.mit.edu:1721.1/43211"},"canonical_url":"https://search.dev.ndltd.org/etd/mit/oai:dspace.mit.edu:1721.1/43211","repository":{"repo_id":"mit","name":"MIT","base_url":"https://dspace.mit.edu/oai/request"},"display":{"title":"Synthetic routes to monodisperse gold nanoparticles stabilized by different-length alkanethiols","abstract":"My thesis explored three different synthesis routes toward obtaining monodisperse clutches of well-ordered nanoparticles stabilized by various alkanethiols. The first two synthesis methods were based on a two-phase system employing first tetraoctylammonium bromide (TOAB) as a phase transfer catalyst and then didodecyldimethylammonium bromide (DDAB). Though these methods approximated what could be considered monodisperse nanoparticles ([sigma]< 5%) by reaching distributions of a [sigma]~-19% for TOAB and [sigma]- 13% for DDAB at their best, they were easily surpassed by the degree of monodispersity achieved by a one-phase method. This one-phase method, which does not use inverse micelles to control the reduction process, was able to reach distribution levels where o<10%. More specifically, the method proved robust enough to synthesize monodisperse, well-ordered nanoparticles with the following alkanethiols: octanethiol, nonanethiol, decanethiol, dodecanethiol, pentadecanethiol; and the following distributions: [sigma]~7%, [sigma]~9%, -[sigma]~7%, [sigma]~4%, and ~ [sigma]8%, respectively.","abstract_html":"My thesis explored three different synthesis routes toward obtaining monodisperse clutches of well-ordered nanoparticles stabilized by various alkanethiols. The first two synthesis methods were based on a two-phase system employing first tetraoctylammonium bromide (TOAB) as a phase transfer catalyst and then didodecyldimethylammonium bromide (DDAB). Though these methods approximated what could be considered monodisperse nanoparticles ([sigma]&lt; 5%) by reaching distributions of a [sigma]~-19% for TOAB and [sigma]- 13% for DDAB at their best, they were easily surpassed by the degree of monodispersity achieved by a one-phase method. This one-phase method, which does not use inverse micelles to control the reduction process, was able to reach distribution levels where o&lt;10%. More specifically, the method proved robust enough to synthesize monodisperse, well-ordered nanoparticles with the following alkanethiols: octanethiol, nonanethiol, decanethiol, dodecanethiol, pentadecanethiol; and the following distributions: [sigma]~7%, [sigma]~9%, -[sigma]~7%, [sigma]~4%, and ~ [sigma]8%, respectively.","abstract_has_math":false,"creators":["Fabian, Omar"],"institution":"Massachusetts Institute of Technology","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Massachusetts Institute of Technology. Dept. of Materials Science and Engineering.","school":null,"contributors":[],"advisors":["Francesco Stellacci."],"committee_chairs":[],"committee_members":[],"year":2008,"date_issued":"2008","date_published":"2008","updated_at":"2026-07-22T22:21:24Z","subjects":["Materials Science and Engineering."],"languages":["eng"],"rights":["M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."],"rights_urls":["http://dspace.mit.edu/handle/1721.1/7582"],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/1721.1/43211","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Francesco Stellacci."]},{"key":"dc:contributor.department","label":"Department","values":["Massachusetts Institute of Technology. Dept. of Materials Science and Engineering."]},{"key":"dc:contributor.other","label":"Dc Contributor Other","values":["Massachusetts Institute of Technology. Dept. of Materials Science and Engineering."]},{"key":"dc:creator","label":"Author","values":["Fabian, Omar"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2008-11-07T19:16:21Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2008-11-07T19:16:21Z"]},{"key":"dc:date.issued","label":"Date","values":["2008"]},{"key":"dc:publisher","label":"Institution","values":["Massachusetts Institute of Technology"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Materials Science and Engineering."]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://dspace.mit.edu/handle/1721.1/7582"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/1721.1/43211"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2008.","Includes bibliographical references (leaf 31)."]},{"key":"dc:description.abstract","label":"Abstract","values":["My thesis explored three different synthesis routes toward obtaining monodisperse clutches of well-ordered nanoparticles stabilized by various alkanethiols. The first two synthesis methods were based on a two-phase system employing first tetraoctylammonium bromide (TOAB) as a phase transfer catalyst and then didodecyldimethylammonium bromide (DDAB). Though these methods approximated what could be considered monodisperse nanoparticles ([sigma]< 5%) by reaching distributions of a [sigma]~-19% for TOAB and [sigma]- 13% for DDAB at their best, they were easily surpassed by the degree of monodispersity achieved by a one-phase method. This one-phase method, which does not use inverse micelles to control the reduction process, was able to reach distribution levels where o<10%. More specifically, the method proved robust enough to synthesize monodisperse, well-ordered nanoparticles with the following alkanethiols: octanethiol, nonanethiol, decanethiol, dodecanethiol, pentadecanethiol; and the following distributions: [sigma]~7%, [sigma]~9%, -[sigma]~7%, [sigma]~4%, and ~ [sigma]8%, respectively."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["S.B."]},{"key":"dc:title","label":"Title","values":["Synthetic routes to monodisperse gold nanoparticles stabilized by different-length alkanethiols"]}]}],"canonical_facts":{"dc:contributor.advisor":["Francesco Stellacci."],"dc:contributor.department":["Massachusetts Institute of Technology. Dept. of Materials Science and Engineering."],"dc:contributor.other":["Massachusetts Institute of Technology. Dept. of Materials Science and Engineering."],"dc:creator":["Fabian, Omar"],"dc:date.accessioned":["2008-11-07T19:16:21Z"],"dc:date.available":["2008-11-07T19:16:21Z"],"dc:date.issued":["2008"],"dc:description":["Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2008.","Includes bibliographical references (leaf 31)."],"dc:description.abstract":["My thesis explored three different synthesis routes toward obtaining monodisperse clutches of well-ordered nanoparticles stabilized by various alkanethiols. The first two synthesis methods were based on a two-phase system employing first tetraoctylammonium bromide (TOAB) as a phase transfer catalyst and then didodecyldimethylammonium bromide (DDAB). Though these methods approximated what could be considered monodisperse nanoparticles ([sigma]< 5%) by reaching distributions of a [sigma]~-19% for TOAB and [sigma]- 13% for DDAB at their best, they were easily surpassed by the degree of monodispersity achieved by a one-phase method. This one-phase method, which does not use inverse micelles to control the reduction process, was able to reach distribution levels where o<10%. More specifically, the method proved robust enough to synthesize monodisperse, well-ordered nanoparticles with the following alkanethiols: octanethiol, nonanethiol, decanethiol, dodecanethiol, pentadecanethiol; and the following distributions: [sigma]~7%, [sigma]~9%, -[sigma]~7%, [sigma]~4%, and ~ [sigma]8%, respectively."],"dc:description.degree":["S.B."],"dc:identifier.uri":["http://hdl.handle.net/1721.1/43211"],"dc:language.iso":["eng"],"dc:publisher":["Massachusetts Institute of Technology"],"dc:rights":["M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission."],"dc:rights.uri":["http://dspace.mit.edu/handle/1721.1/7582"],"dc:subject":["Materials Science and Engineering."],"dc:title":["Synthetic routes to monodisperse gold nanoparticles stabilized by different-length alkanethiols"],"dc:type":["Thesis"]},"updated_at":"2026-07-22T22:21:24Z"}