INTERNATIONAL RESEARCH JOURNAL OF SCIENCE ENGINEERING AND TECHNOLOGY

( Online- ISSN 2454 -3195 ) New DOI : 10.32804/RJSET

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SYNTHESIS & OPTICAL ANALYSIS STUDY OF RED & BLUE EMITTING KNAPO4 PHOSPHOR

    3 Author(s):  U.A.THAKARE, A.B.LAD, V.R.PANSE

Vol -  10, Issue- 3 ,         Page(s) : 176 - 185  (2020 ) DOI : https://doi.org/10.32804/RJSET

Abstract

White light whether by mixing the basic colors or colors from UV-blue light extracted from LED by coating the relevant inorganic phosphors emanationable from LED lamps, LED's inorganic converted phosphor, resulting in the production of appropriate phosphor products. W-LEDs are available with fewer colours, so they also rely on the mixing of a blue LED with yellow inorganic phosphor emitting. The photo-luminescent excitation spectrums and KNaPO4:Ce3+ emission spectra of phosphor show a broadly absorbed band between 280 and 380 nm due to the transformation 4f–5d of the Ce3+ ion peak at 330 nm.

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