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Numerical Simulation of Annealing of CdSe Quantum Dots for White Light LEDs...

by Adrian Sabau, Chad E Duty, Ronald D Ott, Gerald E Jellison Jr
Publication Type
Conference Paper
Book Title
2008 MS&T Conference Proceedings
Publication Date
Page Numbers
877 to 888
Conference Name
MST08, Modeling of Multi-Scale Phenomena in Materials Processing Symposium
Conference Location
Pittsburg, Pennsylvania, United States of America
Conference Date
-

The pulsed thermal processing (PTP) of CdSe Quantum Dots (QD) using a High Density plasma arc lamp. The single layer of CdSe QD was deposited on sapphire and was encapsulated in an alumina matrix. A computational methodology is proposed to understand the energy transport and annealing of QD material for solid-state lighting applications. It was found that the energy balance in the system was affected by the QD. The QD monolayer of spheres was found to alter the total reflectivity, even though the energy absorbed in QD was relatively small. The numerical simulations can be an effective tool to predict the narrow range of processing parameters and dramatically reduce expensive trial-and-error procedures while enabling the enhanced properties of nanostructured materials to be realized.