کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1652108 1007636 2007 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Luminescence properties of (Ca,Y)-α-SiAlON:Eu phosphors
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
Luminescence properties of (Ca,Y)-α-SiAlON:Eu phosphors
چکیده انگلیسی

(Ca,Y)-α-SiAlON:Eu phosphors for white LED lamps were prepared and their luminescence properties were investigated. A red shift of emission wavelength occurred when Ca was partially replaced by Y. Raising the sintering temperature also caused the red shift. As a result, the peak emission wavelength varied from 585 nm to 608 nm, with increasing of the Y content and the sintering temperature, and therefore the chromaticity range of (Ca,Y)-α-SiAlON phosphors extended to longer wavelength by these results. The corresponding correlated color temperature (CCT) of white LED lamps using (Ca,Y)-α-SiAlON:Eu also extended to the temperature as low as 1700 K.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Letters - Volume 61, Issue 2, January 2007, Pages 547–550
نویسندگان
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