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https://hdl.handle.net/2142/82804
Description
Title
Anisotropic Heterostructures of Nanocrystals
Author(s)
Kwon, Kwan-Wook
Issue Date
2007
Doctoral Committee Chair(s)
Shim, Moonsub
Department of Study
Materials Science and Engineering
Discipline
Materials Science and Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Materials Science
Language
eng
Abstract
Based on what we have learned from Fe3O4/MS model system, we have considered application in technologically important systems such as heterostructures that exhibit visible light photocatalysis. Using the combination of NC heterostructures of materials with type II band offset and multiple exciton generation, TiO2/CdS and TiO2/PbS NC heterostructures have been synthesized as potential photocatalysts. While there is a need for improvement in yield and controlling of geometries by modifying synthetic method, new paradigm in designing photocatalysts may be envisioned with these materials.
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