Luminescent thin films obtained from ytrium hydroxycarbonates activated by terbium or europium

被引:4
作者
Niyama, E [1 ]
de Alencar, AC [1 ]
da Vila, LD [1 ]
Stucchi, EB [1 ]
Davolos, MR [1 ]
机构
[1] Univ Estadual Paulista, Inst Quim Araraquara, Dept Quim Geral & Inorgan, BR-14801970 Araraquara, SP, Brazil
来源
QUIMICA NOVA | 2004年 / 27卷 / 02期
关键词
thin film; dip coating; sol-gel;
D O I
10.1590/S0100-40422004000200002
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
These films were obtained by dip coating. Parameters like dislocation velocity; number of deposits, suspension concentration, and number of deposits followed or not by heat treatment between each deposit and calcination temperature were evaluated for establishing the best homogeneity. The obtained films were characterized in terms of their morphology, optical quality and photoluminescence by scanning electron microscopy (SEM), UV-vis absorption spectrophotometry and luminescence spectroscopy, respectively. The morphologic and luminescent characteristics showed dip coating as good laboratory technique for development of thin films for optical applications.
引用
收藏
页码:183 / 187
页数:5
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