Preheating-temperature effect on structural and photoluminescent properties of sol-gel derived ZnO thin films

被引：10
|
作者：
Chia, C. H. [1 ]
Tsai, W. C. [1 ]
Chou, W. C. [2 ]
机构：
[1] Natl Univ Kaohsiung, Dept Appl Phys, Kaohsiung 81148, Taiwan
[2] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 30010, Taiwan
来源：
JOURNAL OF LUMINESCENCE | 2014年 / 148卷
关键词：
ZnO; Sol-gel; Photoluminescence; Exciton; ORIENTATION; ULTRAVIOLET; EMISSION;
D O I：
10.1016/j.jlumin.2013.12.006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigated he evolution of structural and low-temperature photoluminescence properties of sol-gel derived ZnO thin films, as a function of pre-heating temperature between 300 degrees C and 600 degrees C. The pre-heating crystallization plays an important role in the lineshape of PL spectra. The increase in pre-heating temperature enables rearrangement of atoms at the pre-heating stage, leading to c-axis oriented growth of films, modification in lineshape of impurity-detect emission, and reduction of deep-level emission intensity. (C) 2013 Elsevier B.V. All rights reserved
引用
收藏
页码：111 / 115
页数：5
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