Journal
MATERIALS LETTERS
Volume 64, Issue 7, Pages 836-839Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2010.01.033
Keywords
Optical materials; Quantum efficiency; Rare-earth ions
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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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