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In the past decade, II–VI semiconductor nanoparticles attract much attention because of their sizedependent (and thus tunable) photo- and electro- luminescence properties and promising applications in optoelectronics. In this work we report on the synthesis of ZnS-ZnO semiconductor nanocomposites by noval and simple solvothermal method. The prepared nancomposites of different ratios were characterized...
A series of wurtzite Zn (1−x) Cd x S (x=0, 0.25, 0.5, 0.75 and 1) nanocrystals with average crystallite size of 1.98, 1.82, 1.80, 2.04 and 2.51nm, respectively, have been synthesized by simple solvothermal microwave heating method. The photoluminescence yield is found to be higher in the case of alloyed nanocrystals (x=0.25, 0.5, 0.75) as compared to ZnS (x=0) and CdS (x=1)...
The large size 20mm diameter naphthalene single crystals were grown by modified vertical Bridgman method. The optical quality of the grown crystal was analyzed by photoluminescence and ultraviolet visible absorption spectral measurements. Photoluminescence spectrum indicated violet emission at 410nm. The UV–vis absorption spectrum shows the maximum at 219.32nm. The microhardness measurements and differential...
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