کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1496885 992978 2009 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Investigation of Pr-doped fluoride crystals as possible white-light emitters
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
Investigation of Pr-doped fluoride crystals as possible white-light emitters
چکیده انگلیسی

White-light emission from BaY2F8, KYF4, KY3F10 and LiLuF4 samples with different Pr3+ doping levels from 0.3% to 3% is described. We report here their CIE chromatic coordinates and the intrinsic emission efficiency as the ratio of the absorbed and the emitted signal. Optical absorption spectra and luminescence spectra were acquired at room temperature after visible pumping. The calculation of Commission Internationale de l’Eclairage (CIE) coordinates shows that white emission is obtained from all the samples independent of both the doping level and incident power. The CIE coordinates closest to the white point are (0.35, 0.32) from the 0.3% Pr3+:BaY2F8 sample. We also measured the intrinsic emission efficiency of all the crystals. The best obtained is 60%.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optical Materials - Volume 31, Issue 8, June 2009, Pages 1205–1209
نویسندگان
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