Trap assisted visible light luminescent properties of hydrothermally grown Gd doped ZnO nanostructures
作者： Khurshaid Ahmad Malik , Javied Hamid Malik , Aadil Ahmad Bhat , Insaaf Assadullah , Radha Tomar
DOI: 10.1016/J.VACUUM.2020.109832
关键词: Optoelectronics 、 Scanning electron microscope 、 Visible spectrum 、 Phosphor 、 Luminescence 、 Photoluminescence 、 Transmission electron microscopy 、 Doping 、 Materials science 、 Ultraviolet light
摘要: Abstract Pristine ZnO and Gd-doped nanostructures were synthesized via the hydrothermal route to study influence of Gd doping on growth properties nanostructures. Synthesized characterized by powder x-ray diffraction technique (XRD), scanning electron microscopy (SEM), transmission (TEM), energy dispersive spectroscopy (EDS) UV–visible spectroscopy. Optical demonstrated that exhibit good visible light transmittance absorbs ultraviolet energy. Photoluminescence (PL) showed Gd-doping enhanced PL activity possible introduction defect levels. The corresponding augmentation in intensity (visible luminescent intensity) is attributed comparative increase crystallinity, complex defects (traps) hole pair recombination rate. This property can be exploited for luminescence based applications like sensors, UV-Lasers, phosphors, LEDs, biolabels, etc.
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