Synthesis and structural characterization of ZnTe/ZnSe core/shell tunable quantum dots
Author(s)
Guan, Juan![Thumbnail](/bitstream/handle/1721.1/43092/244442484-MIT.pdf.jpg?sequence=5&isAllowed=y)
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Other Contributors
Massachusetts Institute of Technology. Dept. of Chemistry.
Advisor
Moungi G. Bawendi.
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Show full item recordAbstract
Colloidal semiconductor nanocrystals or quantum dots have attracted much attention recently with their unique optical properties. Here we present a novel approach to synthesize ZnTe/ZnSe core/shell tunable quantum dots. Characterizations such as transmission electron microscopy, wavelength dispersive X-ray spectroscopy, powder x-ray diffraction are employed to give evidence for the core/shell structure. Absorption, and photoluminescence spectra demonstrate the tunability of this ZnTe/ZnSe core/shell system, and fluorescence lifetime decays suggest a core/shell structure is made.
Description
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2008. Includes bibliographical references.
Date issued
2008Department
Massachusetts Institute of Technology. Department of ChemistryPublisher
Massachusetts Institute of Technology
Keywords
Chemistry.