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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Recent Advances in Functional Materials and 2D/3D Processing for Sensors, Energy Storage, and Electronic Applications
Presentation Title Performance of Chromium Doped Zinc Selenide Nanocrystals: Morphological and Fluorescence Characteristics
Author(s) Narsingh Bahadur Singh, Ching Hua Su, Bradley Arnold, Fow-Sen Choa, David Sachs, Brett Setera, Christopher Cooper, Brian Cullum, Kamdeo Mandal
On-Site Speaker (Planned) Narsingh Bahadur Singh
Abstract Scope Both zinc sulfide and zinc selenide have been used for optical windows and coatings due to a very low absorption coefficient across a wide wavelength range allowing both a desirable degree of transparency and high laser damage threshold. A low temperature process to prepare nanoengineered pure and ZnSe was performed using zinc acetate, sodium selenite and a capping agent to avoid agglomeration. We observed that the addition of the capping agent before or after chemical synthesis of ZnSe played very important role to control the size of nanoparticles and to avoid agglomeration. Size of nanoparticles of synthesized ZnSe was as small as 10 nm for both doped and undoped material. Cr-ZnSe nano particles showed fluorescence at different wavelengths, and higher bandgap than bulk Cr- ZnSe crystal grown by PVT method. The magnitude fluorescence intensity for Cr-ZnSe nanoparticles was higher compared to undoped ZnSe nanoparticles.
Proceedings Inclusion? Planned:
Keywords Nanotechnology, Electronic Materials, Electronic Materials


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Nano and Micro Morphologies Developed during Remelting of Complex Structures
Nanostructured Thin Film Enabled Thermal Emission Based Passive Sensing for Extreme Environment Applications with Optical Fibers
Performance of Chromium Doped Zinc Selenide Nanocrystals: Morphological and Fluorescence Characteristics
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