Visible Luminescence From Triethanolamine-Modified Zinc Oxide Nanoparticles

被引：2
|
作者：
Karak, N. [1 ]
Barik, P. [1 ]
Kundu, T. K. [1 ]
机构：
[1] Visva Bharati, Dept Phys, Santini Ketan, W Bengal, India
来源：
PROCEEDING OF INTERNATIONAL CONFERENCE ON RECENT TRENDS IN APPLIED PHYSICS & MATERIAL SCIENCE (RAM 2013) | 2013年 / 1536卷
关键词：
visible luminescence; ZnO nanoparticles;
D O I：
10.1063/1.4810160
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report sol-gel synthesis of ZnO NPs in support of Triethanolamine ( TEA) molecules. The particle sizes lie in the range of 23 nm - 43 nm. The blue-shift in absorption spectra for all powders is attributed to the quantum confinement effect. ZnO nanopowder annealed at higher temperature shows an enhanced visible luminescence. In comparison, ZnO specimens having large grain size which are prepared without using TEA do not show any emission with significant intensity. An energy band diagram of nanostructured ZnO specimens explains the luminescence results.
引用
收藏
页码：181 / 182
页数：2
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