Title of article
Citric based sol-gel synthesis and photoluminescence properties of un-doped and Sm3+ doped Ca3Y2Si3O12 phosphors
Author/Authors
Vengala Rao Bandi، نويسنده , , Bhaskar Kumar Grandhe، نويسنده , , Kiwan Jang، نويسنده , , Ho Sueb Lee، نويسنده , , Soung Soo Yi، نويسنده , , Jung-Hyun Jeong، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2011
Pages
5
From page
2001
To page
2005
Abstract
The photoluminescent properties of un-doped and Sm3+ doped Ca3Y2Si3O12 phosphors were prepared by the citrate sol-gel method. Un-doped sample has shown a strong blue emission, which has its maximum intensity at 389 nm. Among all the observed emission transitions 4G5/2→6HJ (J = 5/2, 7/2 & 9/2) of Sm3+, the reddish-orange (RO) emission transition 4G5/2→6H7/2 is more prominent, which matches well with the emission wavelength of near UV (n-UV) LED. The reasons for the observance of such prominent visible color emissions from these phosphors have been substantiated appropriately. Besides, structural details of these samples have also been analyzed from the measured XRD, TEM, TG-DTA and FT-IR profiles.
Keywords
A. Sol-gel process , B. Spectroscopy , Color , C. Optical properties
Journal title
Ceramics International
Serial Year
2011
Journal title
Ceramics International
Record number
1273387
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