Microwave-Assisted Synthesis and Photoluminesence of CdWO4 by A Solid-State Metathetic Route

Abstract

Cadmium tungstate (CdWO₄) particles were synthesized using a solid-state metathetic (SSM) route assisted by cyclic microwave irradiation. The CdWO₄ particles were well crystallized at 400-600 ºC, showing a fine structure with a self-assembled rod-like morphology and a crystallographic orientation with sizes of 1-3 μm. The synthesized CdWO₄ particles were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy and transmission electron microscopy. The optical properties were investigated by photoluminescence emission and Raman spectroscopy.