Title of article
A potential tunable blue-to-white-emitting phosphor CAO: Eu, Mn for ultraviolet light emitting diodes
Author/Authors
Xu، نويسنده , , Xuhui and Yu، نويسنده , , Xue and Zhou، نويسنده , , Dacheng and Qiu، نويسنده , , Jianbei، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2013
Pages
3
From page
2390
To page
2392
Abstract
Luminescence properties of CaAl2O4: Eu2+, Mn2+ have been investigated as a function of coactivator concentrations. We have discovered that two main emission bands attributed to Eu2+ and Mn2+ under UV light excitation via an efficient energy transfer process. With fixed Eu2+ doping concentration, the emission color varies with increasing Mn2+ content. Finally, white light is realized by combining the Eu2+ and Mn2+ emissions. In addition, CaAl2O4: Eu2+, Mn2+ exhibits a strong absorption in ultraviolet spectral region which may find utility as a single-component UV-WLEDs.
Keywords
B. Crystal growth , D. Optical properties , C. Photoelectron spectroscopy , A. Optical materials
Journal title
Materials Research Bulletin
Serial Year
2013
Journal title
Materials Research Bulletin
Record number
2103704
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