Combustion synthesis and optical properties of ceria doped gadolinium-oxide nanopowder

Effect of Fuel on Structural and Optical Characterization of Gd2O3:Er3+ Phosphor

“…The average particle size for the phosphors prepared by using urea and glucose as fuel was found 26nm and 12nm respectively (Tamrakar et al 2013). …”

“…The powder X-ray diffraction (PXRD) was used to investigate the phase structures of the resulting powder. No crystalline impurity apart from rare earth oxides can be determined from the PXRD analysis (Tamrakar et al 2013, Tamrakar et al 2012. The XRD profiles of the phosphor prepared by urea and glucose both have monoclinic phase.…”

“…At the point of spontaneous combustion, the solution begins burning and releases lots of heat; the solution vaporizes instantly and becomes a burning solid with liberation of gaseous by products such as oxide of carbons and nitrogen the combustion was finished. When it cooled down to room temperature, the resultant particles were crushed by mortar and pestle and then annealed at 900°C for 2h [Tamrakar et al 2012, Tamrakar et al 2013.…”

“…If the currently used phosphors were replaced with nano sized ones then device and technology miniaturization and improvement will become well within reach. Hence it becomes essential to develop nanoscale phosphors, which possess equivalent or improved luminescence relative to their commercially available micron-sized counterparts (Bernard et al 2000, Zheng et al 2010, Tamrakar et al 2013, Yanhong et al 2007.…”

“…Nowadays, oxide phosphors are been extensively studied due to their super chemical stability than the commonly used sulfides for use in various emissive flat panel displays (Tamrakar et al 2012, Tamrakar et al 2013.…”