物理学报2011，Vol.60Issue(3)：779-784,6.
Nb/SnO2复合薄膜的制备、结构及光电性能
Preparation and structure and optical-electrical properties of the Nb/SnO2 composite thin film
摘要
Abstract
The Nb/SnO2 composite thin films were successfully synthesized by sol-gel spin-coating method on glass substrate.The structures and properties of Nb/SnO2 composite thin films were characterized by X-ray diffraction ( XRD), scanning electron microscopey (SEM) , ultraviolet visible near-infrared spectrophotometry and four-probe method. The effects of Nb doping on structure and optical-electrical properties of the Nb/SnO2 composite thin films were researched. The results indicate that a tetragonal rutile structure is retained when the Nb content is less than 0.99at％, and the nano-particles are distributed homogeneously in the thin films and their size can be controlled in the range of 5-7 nm. The resistivity of Nb/SnO2 composite thin films decreases and then increases when the Nb content is less than 0.99at％ , and reaches a very low value of 9.49 × 10-2 Ω·cm at 0.37at％ Nb. In the range of 400-700 nm visible region, the transmittance of Nb/SnO2 composite thin films is up to 90％ when the Nb content is less than 0.99at％ , and the optical band gap of Nb/SnO2 composite thin films are in the range of 3.9-4.1 eV. The visible light transmittance of Nb/SnO2 composite thin films significantly reduce at 1.23at％ Nb.关键词
溶胶-凝胶法/Nb/SnO2复合薄膜/结构表征/光电性能Key words
sol-gel/ Nb/SnO2 composite thin films/ structure characterization/ optical-electrical properties引用本文复制引用
曾乐贵,刘发民,钟文武,丁芃,蔡鲁刚,周传仓..Nb/SnO2复合薄膜的制备、结构及光电性能[J].物理学报,2011,60(3):779-784,6.基金项目
航天科学基金(批准号:373858)资助的课题. （批准号:373858）
