Substrate temperature effects on structural orientations and optical properties of ZincPthalocyanine (ZnPc) thin films

被引：37
|
作者：
Senthilarasu, S
Sathyamoorthy, R [1 ]
Kulkarni, SK
机构：
[1] Kongunadu Arts & Sci Coll, R&D Dept Phys, Coimbatore 641029, Tamil Nadu, India
[2] Univ Pune, Dept Phys, Pune, Maharashtra, India
来源：
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2005年 / 122卷 / 02期
关键词：
ZincPhthalocyanine; thin films; substrate temperature; optical absorption; phase change;
D O I：
10.1016/j.mseb.2005.05.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of substrate temperature on structural and optical properties of vacuum evaporated ZincPhthalocyanine (ZnPc) thin films have been studied by the X-ray diffraction method (XRD) and spectrophotometer, respectively. The X-ray diffraction analysis of vacuum evaporated ZnPc films reveals that the metastable alpha-ZnPc phase to stable beta-ZnPc phase transformation is identified due to different substrate temperatures. The orientations of the ZnPc molecules are arranged parallel to the substrate surface and confirmed by the SEM and XRD analysis. The band gap energy was decreased from 1.82 to 1.67 eV when the substrate temperature increases. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：100 / 105
页数：6
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