Enhancement of electrical conductivity in sprayed ZnO thin film through zero-energyprocess

Vimalkumar T.V.; Poornima N.; Sudha Kartha C.Vijayakumar K.P.Abe T.Kashiwaba Y.

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Enhancement of electrical conductivity in sprayed ZnO thin film through zero-energyprocess

机译：通过零能量工艺提高喷涂ZnO薄膜的导电性

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Conductivity enhancement in spray pyrolysed ZnO thin film was achieved through post-deposition cooling. We present a comparison between the effect of cooling after the deposition of thin films by two different processes namely "regular cooling" and "inversion cooling". X-ray photoelectron spectroscopy studies proved that zinc to oxygen ratio enhanced after the "inversion" process. It was observed that the process of "inversion" has caused dramatic improvement in the conductivity of ZnO thin film. The resistivity of the film decreased to 5×10~(-2) Ω cm with the inversion process. The films exhibited luminescence in two regions:"near band edge emission" (NBE; ～380 nm) and "bluegreen emission" (～503 nm). The relationship between bluegreen emission and oxygen concentration in the sprayed ZnO thin film was discussed.

机译：通过沉积后冷却实现了喷雾热解ZnO薄膜的电导率增强。我们比较了薄膜沉积后通过两种不同过程（即“常规冷却”和“反转冷却”）的冷却效果。X射线光电子能谱研究证明，在“反转”过程后，锌氧比增强。据观察，“反转”过程使ZnO薄膜的电导率显著提高。随着反转过程，薄膜电阻率降至5×10~（-2） Ω cm。薄膜在两个区域表现出发光：“近带边缘发射”（NBE;~380 nm）和“蓝绿发射”（~503 nm）。讨论了喷涂ZnO薄膜中蓝绿发射与氧浓度的关系。

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来源
《Physica, B. Condensed Matter》 |2010年第24期|4957-4960|共4页
作者
Vimalkumar T.V.; Poornima N.; Sudha Kartha C.Vijayakumar K.P.Abe T.Kashiwaba Y.;
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作者单位

Thin Film Photovoltaic Division, Department of Physics, Cochin University of Science and Technology, Kochi 682 022, India;

Department of Electrical and Electronic Engineering, Iwate University, Morioka 020-8551, Japan;

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正文语种英语
中图分类物理学;
关键词
Electrical properties; Photoelectron spectroscopy; Spray pyrolysis; Thin films; ZnO;

机译：电气性能;光电子能谱;喷雾热解;薄膜;氧化锌;

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Enhancement of electrical conductivity in sprayed ZnO thin film through zero-energyprocess

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