Synthesis and structural characterization of ZnTe/ZnSe core/shell tunable quantum dots
Name
244442484-MIT.pdf
Description
Full printable version
Size
8.12 MB
Format
Adobe PDF
Checksum (MD5)
536dd0cdc1915c31d5ddb525e94a51c1
Author(s)
Guan, Juan
Advisor(s)
Moungi G. Bawendi.
Date Issued
2008
Publisher
Massachusetts Institute of Technology
Abstract
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.
Subjects
Chemistry.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
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