热处理温度对玻璃纤维表面氧化锡薄膜光电性能的影响

 为在玻璃纤维表面制备透明导电薄膜，使其具有导电性的同时保持良好的透光性，采用溶胶凝胶法制备纳米SnO2溶胶，利用浸渍提拉法在玻璃纤维表面涂覆纳米SnO2溶胶，经过热处理后在纤维表面形成纳米SnO2薄膜。本文利用X射线衍射仪（XRD）、场发射扫描电镜（SEM）、原子力显微镜（AFM）、四探针法和紫外可见分光光度计分别来表征纤维表面薄膜的物相、表面形貌、纤维电阻率以及薄膜透光率。分析了热处理温度对薄膜结构、玻璃纤维导电性能以及薄膜透光率的影响。结果表明，采用溶胶凝胶法制备的溶胶稳定性好，最佳热处理温度是550℃，得到的薄膜晶粒平均大小可达17.18nm，纤维电阻率可达5×10-5Ω·m，同时纤维表面薄膜透光率在88%左右。

Effect of annealing temperature on conductive and optical properties of SnO2 thin film coated on glass fibers

For coating SnO2 thin film on the surface of glass fibers to improve the conductivity of glass fibers with good transmittance, the SnO2 sol was prepared by sol-gel method, and was coated on glass fibers by dipping method. The SnO2 thin film was formed onto the surface of glass fibers. The effects of the annealing temperature on the structure of the thin film, the conductive and optical properties of the glass fibers were investigated. X-Ray Diffraction(XRD), Scanning Electron Microscope(SEM)，Atomic Force Microscope(AFM) , Four-Probe Method and Ultraviolet Visible Spectrophotometer were utilized to characterize the structure and morphology of the thin film , the resistivity of glass fibers and the optical property of the thin film. The sol was very stable, and the optimized annealing temperature with 550℃was chosen, the mean particle size of the SnO2 thin film was 17.18nm, the conductivity of glass fibers was 5×10-5Ω·m, at the same time, the transmittance of the thin film was about 88%.