Thermoluminescence of combustion synthesized yttrium oxide

► Y2O3 nanoparticles have been synthesized by combustion technique. ► The crystallite size was found to be ~ 19.32 nm. ► The energy gap of the sample is found to be ~ 5.72 eV. ► Y2O3 nanophophor shows good TL response. ► Two luminescence centers corresponding to 475 K and 626 K are analyzed.