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Preparation and Characterization of CeO2-TiO2/SnO2:Sb Films Deposited on Glass Substrates by R.F.Sputtering 认领 引用 被引量：6
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作者 ZHAO Qingnan DONG Yuhong +2 位作者 NI Jiamiao WANG Peng ZHAO Xiujian 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2008年第4期443-447,共5页
CeO2-TiO2 films and CeO2-TiO/SnO2:Sb(6 mol%)double films were deposited on glass substrates by radio-frequency magnetron sputtering(R.F.Sputtering),using SnO2:Sb(6 mol%)target,and CeO2-TiO2 targets with different mola... CeO2-TiO2 films and CeO2-TiO/SnO2:Sb(6 mol%)double films were deposited on glass substrates by radio-frequency magnetron sputtering(R.F.Sputtering),using SnO2:Sb(6 mol%)target,and CeO2-TiO2 targets with different molar ratio of CeO2 to TiO2(CeO2:TiO2-0:1.0;0.1:0.9;0.2:0.8;0.3:0.7;0.4:0.6;0.5:0.5;0.6:0.4;0.7:0.3;0.8:0.2;0.9:0.1;1.0:0).The films are characterized by UV-visible transmission and infrared reflection spectra,scanning electron microscopy(SEM),Raman spectroscopy,X-ray photoelectron spectroscopy(XPS)and X-ray diffraction(XRD),respectively.The obtained results show that the amorphous phases composed of CeO2-TiO2 play an important role in absorbing UV,there are Ce^3-,Ce^4-and Ti^4-on the surface of the films;the glass substrates coated with CeO2-TiO2(Ce/Ti=0.5:0.5;0.6:0.4)/SnO2:Sb(6 mol%)double films show high absorbing UV(〉99),high visible light transmission(75%)and good infrared reflection(〉70%).The sheet resistance of the films is 30-50Ω/□.The glass substrates coated with the double functional films can be used as window glass of buildings,automobile and so on. 展开更多
关键词 coating glass CeO2-TiO/SnO2:Sb double thin films absorbing UV IR reflection R.F.sputterin
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CeO_2-TiO_2/Ti复合膜电极液膜光催化降解染料废水 认领 引用 被引量：2
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作者 李珏秀 徐云兰 +2 位作者 钟登杰 胡学步 贾金平 《环境污染与防治》 CAS CSCD 北大核心 2015年第11期66-71,共6页
采用溶胶-凝胶法制备了CeO_2-TiO_2/Ti复合膜电极,以该复合膜电极为阳极、Cu为阴极,组装高效低耗的斜置双极液膜光催化反应装置,以活性艳红X-3B(RBR)为目标污染物,在可见光激发下进行光催化降解,探讨了电极制备条件对CeO_2-TiO_2/Ti复... 采用溶胶-凝胶法制备了CeO_2-TiO_2/Ti复合膜电极,以该复合膜电极为阳极、Cu为阴极,组装高效低耗的斜置双极液膜光催化反应装置,以活性艳红X-3B(RBR)为目标污染物,在可见光激发下进行光催化降解,探讨了电极制备条件对CeO_2-TiO_2/Ti复合膜电极光催化性能的影响,考察了不同条件对RBR脱色率的影响,并初步探究了可见光光催化降解RBR的机制。结果表明:(1)最佳制备条件为CeO2、TiO2摩尔比(简写为n(Ce∶Ti))1∶10、煅烧温度400℃。线性伏安曲线和紫外—可见漫反射谱图分析表明,该制备条件下得到的CeO_2-TiO_2/Ti复合膜电极具有较明显的可见光响应。(2)在RBR初始质量浓度为20mg/L、RBR废水循环流量为5.10L/h、初始pH为2.0的最佳条件下,可见光光催化90min时,RBR脱色率可达80.8%。(3)RBR光催化降解过程中的紫外—可见分光光度谱图分析表明,CeO_2-TiO_2/Ti复合膜电极液膜光催化降解RBR主要是使其发色基团即偶氮键断裂,并由苯环生成小分子有机酸等中间产物,而不能使其矿化。 展开更多
关键词 CeO2-TiO2/Ti复合膜电极 双极液膜光催化反应装置 可见光 光催化
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Effect of Heat-treatment on Crystalline Phase and UV Absorption of 60CeO_2-40TiO_2 Thin Films by Magnetron Sputtering 认领 引用 被引量：5
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作者 NI Jiamiao ZHAO Xiujian ZHAO Qingnan 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2012年第5期881-885,共5页
60CeO2-40TiO2 thin films were deposited on soda-lime silicate glass substrates by R.F. magnetron sputtering. The effects of heat-treatment on the UV-absorption of the thin films were studied on the 60CeO2-40TiO2 thin ... 60CeO2-40TiO2 thin films were deposited on soda-lime silicate glass substrates by R.F. magnetron sputtering. The effects of heat-treatment on the UV-absorption of the thin films were studied on the 60CeO2-40TiO2 thin film with the largest UV cut-off wavelength. The sample films with CeO2：TiO2=60：40 were heated at 773 K, 873 K, 973 K for 30 min. These films are characterized by X-ray diffraction （XRD）, scanning electron microscopy （SEM）, and X-ray photoelectron spectroscopy and spectrometer （XPS）. XRD analysis proves that the addition of TiO2 to CeO2 changed the crystalline state of CeO2. But the UV absorption effect of CeO2-TiO2 films with CeO2 crystallite phase is inferior to that of the amorphous phase CeO2-TiO2 films. XPS analysis also indicates that the amorphous phase CeO2-TiO2 films have the most Ce3＋ content in these films. Amorphous phase and crystalline phase of the CeO2-TiO2 films have different effects on UV absorption of the thin films. 展开更多
关键词 CeO2-TiO2 thin films UV absorption CeO2 crystallite phase radio frequency magnetron sputtering
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Synthesis and characterization of Sb-doped SnO2-(CeO2-TiO2)composite thin films deposited on glass substrates for antistatic electricity and UV-shielding 认领 引用 被引量：16
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作者 WU Shuo ZHAO Qingnan +1 位作者 MIAO Dengkui DONG Yuhong 《Journal of Rare Earths》 SCIE EI CAS 2010年第S1期189-193,共5页
Sb-doped SnO2(ATO)-(CeO2-TiO2)thin Films were deposited on glass substrates using the mixed solution including CeO2-TiO2 precursor and ATO particles by sol-gel dip coating process.ATO particles were prepared using low... Sb-doped SnO2(ATO)-(CeO2-TiO2)thin Films were deposited on glass substrates using the mixed solution including CeO2-TiO2 precursor and ATO particles by sol-gel dip coating process.ATO particles were prepared using low-temperature hydrothermal process.The mixed molar ratio of ATO to(CeO2-TiO2)vs the properties of CeO2-TiO2 thin film was investigated.The optical properties of the films were characterized by UV-visible transmission and infrared reflection spectra,the sheet resistance of ATO particles and films were measured by rubber sheeter(MYI-50)and four-point probe(HisuperGroup Inc,SDY-5),the surface morphology and structure of the films were analyzed using 3D Digitale Mikroskop and X-ray diffraction(XRD),respectively.The results showed that the ATO precursor solution lost weight completely at about 500 oC,and the ATO particles was obtained,which indicated the same rutile lattice structure as SnO2.The glass substrates coated with ATO-(CeO2-TiO2)thin films showed better properties in antistatic electricity(104-106Ω/),shielding UV(almost 100%),visible light transmission(70%)and infrared reflection(】30%). 展开更多
关键词 antistatic electricity UV shielding ATO-(CeO2-TiO2)thin films hydrothermal process rare earths
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Ultraviolet-shielding and conductive double functional films coated on glass substrates by sol-gel process 认领 引用 被引量：4
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作者 董玉红 赵青南 +1 位作者 吴硕 卢秀强 《Journal of Rare Earths》 SCIE EI CAS 2010年第S1期446-450,共5页
Ultraviolet-shielding and conductive double functional films were composed of CeO2-TiO2 film and SnO2:Sb film deposited on glass substrates using sol-gel process.Ce(NO3)3·6H2O and Ti(C4H9O4),SnCl4 and SbCl3 were ... Ultraviolet-shielding and conductive double functional films were composed of CeO2-TiO2 film and SnO2:Sb film deposited on glass substrates using sol-gel process.Ce(NO3)3·6H2O and Ti(C4H9O4),SnCl4 and SbCl3 were used as precursors of the two different functional films respectively.The CeO2-TiO2 films were deposited on glass substrates by sol-gel dip coating method,and then the SnO2:Sb films with different thickness were deposited on the pre-coated CeO2-TiO2 thin film glass substrates,finally,the substrates coated with double functional films were annealed at different temperatures.The optical and electrical properties of the CeO2-TiO2 films and the double films were measured by UV-Vis spectrometer and four probe resistance measuring instrument.The crystal structures and surface morphology of the films were characterized using XRD and optical microscope,respectively.The obtained results show that the ultraviolet-shielding rate of the glass substrates with CeO2-TiO2 films is not less than 90%,and transmittance in visible lights can reach 65%.With the thickness of the SnO2:Sb film increasing,its conductivity became better,and the surface resistance is about 260 Ω/ when the SnO2:Sb films were deposited 11 cycles of the dip on the pre-coated CeO2-TiO2 glass.The ultraviolet-shielding rate of the glass substrates with double functional films is higher than 97%,and the peak transmittance in the visible lights is 72%.Additionally,with increasing the heat treatment time,the Na+ of the glass substrates diffuses into the films,resulting in the particle size of SnO2 crystal smaller. 展开更多
关键词 ultraviolet-shielding/conductive double functional films CeO2-TiO2 SnO2:Sb Glass substrates sol-gel rare earths
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