Photoluminescence in nanocrystalline MMoO 4 (M = Ca, Ba) synthesized by a polymerized complex method

Abstract

Nanocrystalline MMoO 4 (M = Ca, Ba) were successfully synthesized at low temperatures via a polymerized complex route and room temperature photoluminescent properties were investigated in detail. Prepared nanocrystalline MMoO 4 (M = Ca, Ba) showed primarily dispersed and homogeneous morphology with particle size of 20–40 nm. The photoluminescent spectra were decomposed to several individual Gaussian components in green and blue wavelength range. These photoluminescent features could be interpreted by Jahn–Teller splitting effect on [MoO 4 2−] tetrahedron of the nanocrystalline MMoO 4 (M = Ca, Ba).