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Design And Characterization Of A Process For Bulk Synthesis Of Cadmium Selenide Quantum Dots, Susan Harada
Design And Characterization Of A Process For Bulk Synthesis Of Cadmium Selenide Quantum Dots, Susan Harada
Materials Engineering
The objective of the process is to synthesize quantum dots that will fluoresce over the visible spectrum of 450 to 650nm; then to mix the quantum dots together in a polymer matrix so that when illuminated with a blue LED the mixture yields “white” light. The current quantum dot synthesis is a chemical process that involves adding a room temperature Se-TOP precursor to a 225°C Cd precursor solution to cause nucleation and growth of nanoparticles. This method, however, only yields quantum dots that fluoresce in the 520 to 600nm range. In order to create the “white” light phosphor replacement, red …