Synthesis & PL, TL study
of LaYPO4: Eu Phosphor
Y.S.Patil1, N.V.Poornachandra Rao2 and K.V.R.Murthy3
1Applied Physics Department, MCT’S Rajiv Gandhi Institute of
technology, Versova, Andheri (w), Mumbai-400053, India.
2Department of Physics, VSR & NVR College, Tenali – 522 201, Guntur District, A.P., India.
3Display Materials Laboratory, Applied Physics Department, Faculty of Technology and Engineering, The M. S. University of Baroda, Vadodara-390001, India.
The present paper reports the Photoluminescence (PL) of the LaYPO4 phosphor doped with, Eu with 0.5 mole percentage. The phosphors were synthesized using the standard solid state reaction technique and ground using mortar and pestle, fired at 1200oC for 3 hour in a muffle furnace at the rate of 5oC/min. The produced materials were analyzed by XRD, PL and TL. We have studied the effect of dopants on the Photoluminescence and Thermoluminescence properties of LaYPO4 phosphor. Under the excitation of 254 nm wavelength, PL properties of the samples using Spectrofluorophotometer at room temperature. PL emission of doped LaPO4 phosphor shows peaks at 589, 596, 614 and 622nm .
Keywords: Photoluminescence; XRD; phosphor rare-earth ions; solid state reaction technique;
International eJournal of Mathematics and Engineering
Volume 3, Issue 4, Pages: 1756 - 1761