Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/40166
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dc.contributor.authorDas, Gautom Kumaren
dc.date.accessioned2010-06-11T03:12:38Zen
dc.date.available2010-06-11T03:12:38Zen
dc.date.copyright2010en
dc.date.issued2010en
dc.identifier.citationDas, G. K. (2010). Rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging. Doctoral thesis, Nanyang Technological University, Singapore.en
dc.identifier.urihttps://hdl.handle.net/10356/40166en
dc.description.abstractThe research work presented in this thesis focuses on the fabrication of rare earth (RE) doped nanomaterials as potential contrast agents for optical and magnetic resonance imaging. Owing to the sharp and intense emission obtained over the range of visible to the near-infrared regions in a wide variety of hosts, RE-doped nanomaterials have attracted strong interests as contrast agents in bioimaging applications. The current study has successfully demonstrated the fabrication of fluorescent, and bifunctional magnetic-fluorescent RE-doped nanomaterials as contrast agents for bioimaging. At first, doping of different RE ions in yttrium oxide (Y2O3) host was investigated to fabricate the down- and up-conversion fluorescent nanoparticles. Effect of different synthesis parameters and type of RE dopants was investigated, and optimum conditions in relation to synthesis temperature, time, and concentration of RE dopants were reported and discussed. Spherical nanocrystals and nanorods could selectively be produced by varying different synthesis conditions. An evolution mechanism has been proposed to elucidate the morphology transformation to nanorods from nanocrystals.en
dc.format.extent219 p.en
dc.language.isoenen
dc.subjectDRNTU::Engineering::Nanotechnologyen
dc.subjectDRNTU::Engineering::Materials::Nanostructured materialsen
dc.titleRare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imagingen
dc.typeThesisen
dc.contributor.supervisorTan Thatt Yang Timothyen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.description.degreeDOCTOR OF PHILOSOPHY (SCBE)en
dc.identifier.doi10.32657/10356/40166en
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