Effect of synthesis process on particle size and band gap of Er 3+ doped Y 2 Sio 5

Abstract

Er 3+ doped Y 2 SiO 5 crystal was synthesized by combustion synthesis and solid state reaction method. The crystal phase of the sample was determined by X-ray diffraction analysis. The particle size was calculated for all the samples. The particle size increased from 8 nm to 15 nm with annealing for combustion synthesis method. The sample prepared by solid state reaction method has particle size around 36 nm. The morphology and particle size was confirmed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analysis respectively. The band gap of the sample was determined by recording the UV absorption spectra and Tauc plot.