Role of Sn doping in In2O3 thin films on polymer substrates by pulsed-laser deposition at room temperature

被引:23
作者
Dekkers, JM [1 ]
Rijnders, G [1 ]
Blank, DHA [1 ]
机构
[1] Univ Twente, Fac Sci & Technol, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands
关键词
D O I
10.1063/1.2195096
中图分类号
O59 [应用物理学];
学科分类号
摘要
The influence of Sn doping in In2O3 thin films on conductance, transmission, and granular structure has been studied. By careful control of the pulsed-laser deposition parameters, films with high optical transmittance (> 85%) and low resistivity (rho=4.1x10(-4) Omega cm) are grown at room temperature on polyethylene terephthalate substrates. The films ablated from Sn-doped targets are more resistive compared to samples of pure In2O3. Due to increased scattering, the charge carrier mobility in Sn-doped films is lower compared to the undoped samples. A relation between the structural properties and the amount of Sn doping is observed. The electrical properties of films with different compositions are influenced by a different size and formation of grains during growth.
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页数:3
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