Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 180, Issue 9, Pages 2493-2499Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2007.06.021
Keywords
optical materials; quantum efficiency; photoelectron spectroscopy; luminescence
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The quantum efficiency and luminescence properties of double activated terbium aluminum garnet samples were investigated in the present study. A mathematical procedure and PL measurement system are developed for express analysis of quantum efficiency of luminescent materials. The energy-level diagram was proposed to explain the luminescence mechanism. Application of TAG:Ce,Eu with improved CIE and CRI in LED device is demonstrated. (c) 2007 Elsevier Inc. All rights reserved.
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