Affiliation:
1. Golpayegan University of Technology, Department of Materials Science and Engineering, Golpayegan, Isfahan, Iran
Abstract
In this paper, Y2O3:Eu3+ nano-phosphor was synthesized through the facile
solid-state method and influence of H3BO3 addition to the prepared Y2O3:Eu3+
powder was investigated. The consumption of boric acid resulted in the
formation of YBO3 by changing the crystal structure from cubic to hexagonal.
Noteworthy, through the use of specific quantities of H3BO3 (medium amount),
Y3BO6 impurity with the monoclinic crystal structure and the space group
C2/m was formed. FESEM observations showed that the addition of H3BO3 leads
to the coarsening of the synthesized particles; changing from approximately
80 nm to 1 ?m. Also, it was concluded that the transformation of the crystal
structure causes a dramatic change of phosphor emission colours from reddish
to orange.
Publisher
National Library of Serbia
Cited by
4 articles.
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