期刊
MATERIALS LETTERS
卷 64, 期 7, 页码 836-839出版社
ELSEVIER
DOI: 10.1016/j.matlet.2010.01.033
关键词
Optical materials; Quantum efficiency; Rare-earth ions
Carbon-based alumina nanophosphors were prepared by a facile liquid process. The nanophosphors showed high photoluminescence properties, and tunable color emission from blue to green. The luminescent intensity and color were controlled by simply manipulating of polyethylene glycol and urea amounts, respectively. Oxygen deficiency, surface defects, and carboxylic impurities are considered to be possible emission mechanisms. (C) 2010 Elsevier Boy. All rights reserved.
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