Abstract
InVO4 nano-materials with various morphologies were prepared via hydrothermal method. X-ray diffraction, transmission electron microscopy (TEM), scanning electron microscope (SEM) were adopted to investigate the effects of various factors, such as pH value, V/In molar ratio, hydrothermal conditions and different surfactants, on the phase and morphology of InVO4. Photoluminescence spectra were also employed to estimate the photoluminescence properties of as-prepared InVO4 samples. The results show that the pH value and V/In molar ratio have an important influence on the phase of InVO4, while the hydrothermal conditions and surfactants mainly affect the morphology of InVO4. As-prepared InVO4 samples display an intensive visible emission located in the green region with its maximum intensity peak at 530nm, and the morphology and grain size have obvious effect on the fluorescence intensity of InVO4.
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