简介:ZnOquantumdots(QDs)withthesizesof3.0-5.6nmaresynthesizedbysolution-phasemethodatdifferenttemperatures.WefindthattemperaturehasgreatinfluenceonthesizeofZnOQDs.Thegrowthprocessisthemostsensitivetotemperature,andtheprocessiswellexplainedbyLifshitz-Slyozov-Wagner(LSW)model.Byphotoluminescence(PL)spectraofthequantumdotsatdifferenttemperaturesandreactivetime,wecometoaconclusionthatultravioletemissionismainlyduetosurfacedefects,andtheor...