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TiO2/Si复合材料的制备及其性能研究 被引量:3

Research on preparation and property of TiO_2/Si composite materials
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摘要 为了提高单晶硅表面的光学利用效率,本文采用水热法在其表面生长一层平均棒长为900±50 nm,直径为100±20 nm的金红石相Ti O2纳米棒阵列。通过积分球反射光谱对这种Ti O2/Si复合材料进行抗反射性能表征,发现这种复合材料具有较好的抗反射性能;通过测量Ti O2/Si复合材料的光电流性能,发现其具有高效的光电转化效率,可有效提高太阳光的利用率;通过探讨Ti O2/Si复合材料对亚甲基蓝的降解,发现其在光催化降解染料效率方面具有显著的提高效果。 To improve the antireflective performance of Si,rutile Ti O2 nanorods,with a length of 900±50 nm and a diameter of 100±20 nm,were prepared on the surface of Si using one-step hydrothermal method. Ti O2/ Si composite possessed a good antireflective property by characterizing integrating sphere spectral reflectance of this composite. Ti O2/ Si composite showed superior photo-electron conversion efficiency and got higher solar energy utilization by detecting the photovoltaic performance of this composite. Furthermore,Ti O2/ Si composite enhanced the efficiency of photocatalysis degradation of dye molecules by investigating the degradation activity of methylene blue.
出处 《化学研究与应用》 CAS CSCD 北大核心 2016年第2期218-221,共4页 Chemical Research and Application
基金 国家自然科学基金项目(21401079)资助 高等学校博士学科点专项科研基金(20130093120003)资助 江苏省自然科学基金(BK20140158)资助
关键词 二氧化钛 抗反射 光电转化效率 光催化 Si TiO2 antireflection photo-electron conversion efficiency photocatalysis
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