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溶胶-凝胶法制备含有片状锐钛矿晶体的免烧型氧化钛薄膜 申乾宏1,杨辉1,高基伟1 (1.浙江大学,材料科学与工程学系,浙江,杭州,310027;2.浙江大学,绿色建材与应用技术工程研究中心,浙江,杭州,310027) 摘要:采用溶胶-凝胶法,在设计的反应体系中制备了锐钛矿型氧化钛溶胶,并采用浸渍提拉法在载玻片上成膜,无需常见研究中的高温热处理,即可获得锐钛矿型氧化钛薄膜.将氧化钛溶胶在40℃烘干后进行XRD测试,发现氧化钛粉末为锐钛矿型结构.对薄膜的扫描电镜分析,发现薄膜中存在片状的锐钛矿晶体.片晶的宽度约30 nm,长度从200 nm~1 μm不等.由于含有片状的锐钛矿晶体,所得的氧化钛薄膜可在紫外线激发下降解罗丹明B.光催化反应进行120 min时,罗丹明B的降解率达到45%. 关键词:锐钛矿型氧化钛溶胶; 片状晶体; 溶胶-凝胶; 室温制备; anatase TiO2......
temperature and it can suppress the structural phase transition from anatase to rutile and the crystal growth of TiO2 in TiO2∶Eu nano-materials. The fluorescence spectra were examined by fluorescence...Preparation and Fluorescence Properties of TiO2∶Eu Nano-Materials 于英宁1,蔡伟民2,陈野2,孙晓君2,崔丹3 (1.Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Chemistry, Changchun 130022......
Effect of Tb2O3 additive on structure of anatase and photocatalytic activity of TiO2/(O’+β’)-Sialon multi-phase ceramics杨建1,潘丽梅1,薛向欣2,王梅2,丘泰11. College of Materials Science and Engineering,Nanjing... Tb2O3 additive on transformation behavior and grain growth of anatase and photocatalytic activity for TiO2/(O’+β’)-Sialon multi-phase ceramic was investigated and the mechanism was discussed. X-ray......
conductivity and ion transport could be improved by using nano-sized TiO2 and glucose as precursor both doping and coating. Doping a appropriate amount of Ti4+ can improve the electrochemical performance... Influence of Ti4+ doping on electrochemical properties of LiFePO4/C cathode material for lithium-ion batteries HU Guo-rong(胡国荣), GAO Xu-guang(高旭光), PENG Zhong-dong(彭忠东), DU Ke(杜 柯), TAN Xian......
nm in coatings and the fracture type of coatings was the ductile trans-granular fracture. 关键词:nanoparticle doping; plasma spraying; Al2O3+13wt％TiO2; coatings; composition and structure; [全文内容正在添加中] ...Microstructure and Anticorrosion Property of AT13 Coatings Made by Combination of Nanoparticles Doping and Plasma Spraying Technique LUO Ping-ya1,LI Chun-fu1,HE Tao-e2,ZHANG Ying2,WANG Bin2,DAI......
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of doping titania powder was between 385 nm (3.22 eV) and 383 nm (3.24 eV). These values are very close to those of anatase TiO2 (3.2 eV), indicating that silver doping did not cause any significant shift... of Ag to Ti, the starting solution was diluted by water, and the titanic concentration of the starting solution was adjusted to 0.05, 0.1, 0.2 and 0.4 mol/L, respectively. Doping TiO2 powders were......
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the relative intensity of (101) peak. The crystallite sizes of Nd3+-doped TiO2 powders decrease while their specific surface area increase owing to the Nd3+ doping. The XPS measurement shows that the content...Mechanisms of Enhancement of Photocatalytic Properties and Activity of Nd3+-Doped TiO2 for Methyl Orange Degradation 周国逸1,万洪富2,侯梅芳1,谢克昌3,李芳柏2,李瑞丰3 (1.South China Institute of Botany,Chinese Academy......
Rare Earth Doping Effects on Properties of Ceria-Zirconia Solid Solution Liang Tao1,Yin Ping1,Hu Yucai1,Jiang Wei1,Liu Bing1 (1.School of Chemistry and Materials Science, Ludong University, Yantai... is available to improve redox performance. Compared with Pd/Ce0.6Zr0.4O2, doping Y and La does not change air/fuel (A/F) characteristic of TWCs, but doping Pr and Tb widens A/F operating window and makes......
