期刊
MATERIALS RESEARCH BULLETIN
卷 43, 期 8-9, 页码 1982-1988出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2007.10.001
关键词
inorganic compounds; oxide; luminescence; X-ray diffraction; optical properties
We prepared Gd3Ga2Al3O12 (GGAG) co-doped with trivalent cerium and boron ions and investigated its luminescence properties as a: function of the B3+ concentration. The luminescence intensity was enhanced markedly by adding B3+ as a co-dopant. The non-boron-doped GGAG:Ce3+ converted less than 10% of the absorbed blue light into luminescence. As the B3+ concentration increased, Q increased and reached a maximum of Q = 21% at 1.5 moles in GGAG:Ce3+. White light closer to daylight with good color-rendering index properties was generated with the proper combination of yellow emission from GGAG:Ce3+,B3+ and blue emission from a GaN chip. (C) 2007 Elsevier Ltd. All rights reserved.
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