Paper Title:
Maleic Anhydride Coating for Strontium Aluminate-Based Phosphors
  Abstract

Strontium aluminate-based phosphors SrAl2O4:Eu2+,Dy3+ (SAO-ED) are coated directly by the interfacial coordination chemistry method with maleic anhydride to prevent their hydrolysis in moist air. SEM, XPS, TG and DSC methods are used to characterize the coating. The results showed SAO-ED phosphors coordinated with maleic anhydride by the coordination bond and . The introduction of maleic anhydride doesn’t change the excitation and emission spectra of SAO-ED phosphors, which is proved by the photoluminescence measurement. The SAO-ED phosphor coated with 30 wt. % maleic anhydride has higher water-resistance at the cost of a minor loss of persistent phosphorescence than that of SAO-ED phosphor.

  Info
Periodical
Advanced Materials Research (Volumes 79-82)
Edited by
Yansheng Yin and Xin Wang
Pages
807-810
DOI
10.4028/www.scientific.net/AMR.79-82.807
Citation
S. F. Yu, "Maleic Anhydride Coating for Strontium Aluminate-Based Phosphors", Advanced Materials Research, Vols. 79-82, pp. 807-810, 2009
Online since
August 2009
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$32.00
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