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Properly mixed combination of CdSe/ZnS colloidal quantum dots of different sizes is suggested as a nanophosphor material to be combined with blue InGaN/GaN LEDs for well-balanced color content of white light emission.
Properly mixed combination of CdSe/ZnS and CdSe/SiO2 colloidal quantum dots of different sizes is suggested as a nanophosphor material to be combined with blue InGaN/GaN LEDs for well-balanced color content of white light emission.
Effects of 137Cs gamma irradiation on photoluminescent properties of CdSe/ZnS colloidal quantum dots are reported. Optical degradation was evaluated by measuring dependence of photoluminescence intensity on irradiation dose. CdSe/ZnS quantum dots show poor radiation hardness.
Effects of 137Cs gamma irradiation on photoluminescent properties of CdSe/ZnS colloidal quantum dots are reported. Optical degradation was evaluated by measuring dependence of photoluminescence intensity on irradiation dose. CdSe/ZnS quantum dots show poor radiation hardness.
Positron emission tomography requires high-brightness fast-decay scintillators for coincidence counting of positron annihilation events. We demonstrate that LaF3:Ce nanocrystals show promising characteristics for that application. Scintillation response and photoluminescence lifetime below 27 ns are measured.
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