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Hybrid Electrochromic Multilayer Films Based on Fe(II)-Metalloviologens and TiO_2 Nanoparticles 认领 引用
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作者 WANG Rui LIU Dong-xu +4 位作者 YANG Yang YU Da-hui YAO Wei-guo DENG Chang-chun DONG Wen-fei 《Chemical Research in Chinese Universities》 SCIE CAS CSCD 2012年第5期869-873,共5页
Metallosupramolecular coordination polyelectrolyte, Fe（II）-metalloviologen（FEN）, was prepared by the reaction of Fe（II） with a novel bisterpyridine ligand. As active components, FENs could be assembled into elec... Metallosupramolecular coordination polyelectrolyte, Fe（II）-metalloviologen（FEN）, was prepared by the reaction of Fe（II） with a novel bisterpyridine ligand. As active components, FENs could be assembled into electrochromic multilayer films with negative charged polystyrene sulfate（PSS） by the sequential deposition layer-by-layer technique. Numerous analytical instruments, such as UV-Vis spectroscopy, atomic force microscopy（AFM）, tunneling electron microscopy（TEM）, zeta-potential measurement and electrochemical measurement have been utilized to characterize their morphology, optical and electrochromic properties. It has been observed that as-prepared films exhibited multi-colour changes by triggering with different potentials. However, the low optical contrast of multilayer films would limit their further applications. In order to overcome this problem, semiconductor TiO2 nanoparticles（TiO2） were incorporated into FEN multilayers by layer-by-layer approach. By carefully optimizing the film structure, as-resulted hybrid films containing FEN, TiO2 and PSS exhibited high optical contrast, suitable response time and long-term stability. Such hybrid films should be promising candidates to meet the requirements for developing flexible displays and electrochromic devices. 展开更多
关键词 Electrocromic multilayer film TiO2 Metalloviologen Optical contrast
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Laser-induced damage threshold in HfO2/SiO2 multilayer films irradiated by β-ray 认领 引用 被引量：1
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作者 Mei-Hua Fang Peng-Yu Tian +4 位作者 Mao-Dong Zhu Hong-Ji Qi Tao Fei Jin-Peng Lv Hui-Ping Liu 《Chinese Physics B》 SCIE EI CAS CSCD 2019年第2期294-298,共5页
Post-processing can effectively improve the resistance to laser damage in multilayer films used in a high power laser system.In this work,HfO2/SiO2multilayer films are prepared by e-beam evaporation and thenβ-r... Post-processing can effectively improve the resistance to laser damage in multilayer films used in a high power laser system.In this work,HfO2/SiO2multilayer films are prepared by e-beam evaporation and thenβ-ray irradiation is employed as the post-processing method.The particle irradiation affects the laser induced damage threshold(LIDT),which includes defects,surface roughness,packing density and residual stress.The residual stress that is relaxed during irradiation changes from compressive stress into tensile stress.Our results indicate that appropriate tensile stress can improve LIDT remarkably.In view of the fact that LIDT rises from 8 J/cm2to 12 J/cm2,i.e.,50%increase,after the film has been irradiated by 2.2×1013/cm2β-ray,the particle irradiation can be used as a controllable and desirable postprocessing method to improve the resistance to laser induced damage. 展开更多
关键词 β-ray irradiation HfO2/SiO2 multilayer film residual stress laser-induced damage threshold
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Characterization of Sol-gel-derived TiO_2 and TiO_2-SiO_2 Films for Biomedical Applications 认领 引用 被引量：1
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作者 JingxiaoLIU FeiSHI DazhiYANG 《Journal of Materials Science & Technology》 SCIE EI CAS 2004年第5期550-554,共5页
In order to improve the corrosion resistance and biocompatibility of NiTi surgical alloy, TiO2 and TiO2-SiO2 thin films were prepared by sol-gel method. The surface characteristics of the film, which include surface c... In order to improve the corrosion resistance and biocompatibility of NiTi surgical alloy, TiO2 and TiO2-SiO2 thin films were prepared by sol-gel method. The surface characteristics of the film, which include surface composition, microstructure and surface morphology, were studied by X-ray diffraction (XRD), atomic force microscopy (AFM) and X-ray photoelectron spectra (XPS), respectively. A scratching test was used to assess the interface adhesive strength between the film and substrate. The corrosion resistance of NiTi alloy coated with oxide films were studied by anodic polarization curves measurement in biological solution. Additionally, a preliminary study of the in vitro bioactivity of the films was conducted. The results indicated that TiO2 and TiO2-SiO2 (Ti/Si=4:1) films have higher electrochemical corrosion resistance and can be used as protective layers on NiTi alloy. In addition, TiO2-SiO2 composite films have better bioactivity than TiO2 film. 展开更多
关键词 TiO2 TiO2-SiO2 Films Sol-gel process Biocompatibility
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Syntheses and Tribological Property of CrMoN/MoS2 Multilayer Films on Piston Rings of Heavy Vehicle Engine 认领 引用 被引量：1
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作者 王宪成 李奇 +1 位作者 LI Ruoting DI Yuelan 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2016年第2期429-434,共6页
In order to prolong the service life of piston rings of heavy vehicle engine and decrease the friction and wear of piston rings and cylinder liner,CrMoN/MoS_2 multilayer films were deposited on the surface of rings by... In order to prolong the service life of piston rings of heavy vehicle engine and decrease the friction and wear of piston rings and cylinder liner,CrMoN/MoS_2 multilayer films were deposited on the surface of rings by magnetron sputtering and low temperature ion sulfuration.FESEM equipped with EDX was adopted to analyze the compositions and morphologies of surface,cross-section,and wear scars of the multilayer films.The nano-hardness and Young＇s modulus of the films were measured by a nano tester.Tribologicalproperties of the films were tested by an SRV~174;4 wear tester.The experimentalresults indicate that the structures of the multilayer films are dense and compact.The films possess nano hardness value of approximately 26.7 GPa and superior ability of plastic deformation resistance.The multilayer films can activate solid lubricating,and possess an excellent antifriction and wear resistance under the conditions of heavy load,high frequency,high temperature,and dynamic load. 展开更多
关键词 CrMoN/MoS_2 multilayer films piston ring cylinder liner wear mechanisms
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Characteristics of Sb6Te4/VO2 Multilayer Thin Films for Good Stability and Ultrafast Speed Applied in Phase Change Memory 认领 引用
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作者 Yi-Feng Hu Xuan Guo +1 位作者 Qing-Qian Qin Tian-Shu Lai 《Chinese Physics Letters》 SCIE EI CAS CSCD 2018年第9期53-56,共4页
The Sb6 Te4/VO2 multilayer thin films are prepared by magnetron sputtering and the potential application in phase change memory is investigated in detail. Compared with Sb6 Te4, Sb6 Te4/VO2 multilayer composite thin f... The Sb6 Te4/VO2 multilayer thin films are prepared by magnetron sputtering and the potential application in phase change memory is investigated in detail. Compared with Sb6 Te4, Sb6 Te4/VO2 multilayer composite thin films have higher phase change temperature and crystallization resistance, indicating better thermal stability and less power consumption. Also, Sb6 Te4/VO2 has a broader energy band of 1.58 eV and better data retention （125℃ for 103/）. The crystallization is suppressed by the multilayer interfaces in Sbf Te4/VO2 thin film with a smaller rms surface roughness for Sbf Te4/VO2 than monolayer Sb4Te6. The picosecond laser technology is applied to study the phase change speed. A short crystallization time of 5.21 ns is realized for the Sb6Te4 （2nm）/VO2 （8nm） thin film. The Sb6 Te4/VO2 multilayer thin film is a potential and competitive phase change material for its good thermal stability and fast phase change speed. 展开更多
关键词 VO Te Characteristics of Sb6Te4/VO2 Multilayer Thin Films for Good Stability and Ultrafast Speed Applied in Phase Change Memory Sb
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织物基Zn/[SiO2/TiO2]x多层薄膜的结构色与性能研究 认领 引用
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作者 罗弘瀚 黄美林 +2 位作者 甄颖琳 樊祉显 巫莹柱 《棉纺织技术》 CAS 2026年第8期42-48,共7页
为开发绿色环保且兼具结构色与防紫外线功能的纺织品,采用磁控溅射技术在涤纶织物上沉积Zn/[SiO2/TiO2]x(x=1,2,3,4)薄膜,通过薄膜干涉实现结构生色与增反射性能,分析了溅射沉积工艺与样品结构色、光学性能的关系。结果表明:... 为开发绿色环保且兼具结构色与防紫外线功能的纺织品,采用磁控溅射技术在涤纶织物上沉积Zn/[SiO2/TiO2]x(x=1,2,3,4)薄膜,通过薄膜干涉实现结构生色与增反射性能,分析了溅射沉积工艺与样品结构色、光学性能的关系。结果表明:当Zn层溅射气压1.0 Pa、溅射功率80 W、溅射时间30 min、Ar流速30 mL/min时,溅射沉积SiO2/TiO2层的较优工艺为溅射气压1.0 Pa、溅射功率100 W、溅射时间25 min、Ar∶O2气体流速比20∶5。多层薄膜使织物呈现丰富且鲜艳的结构色,获得了桔黄、黄褐、淡黄、浅蓝、深蓝、淡紫等颜色。镀膜样品在360 nm~750 nm波段光波的平均反射率最高接近15%,UPF值可从涤纶织物的74.74最高提升至331.32,UVA平均透射比低至0.85%,UVB平均透射比低至0.20%。镀膜织物亲水性较未镀膜涤纶织物和单一镀Zn层样品均有所提升。认为:该研究为结构色纺织品的制备提供了新选择,在功能性服装、防晒用品等领域具有良好的应用前景。 展开更多
关键词 磁控溅射 多层薄膜 结构色 二氧化硅 二氧化钛 防紫外线
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Characterization and photoelectrochemical performance of Zn-doped TiO_2 films by sol-gel method 认领 引用 被引量：14
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作者 Li-ying QIAO Feng-yu XIE +3 位作者 Ming-hui XIE Cai-hua GONG Wei-lang WANG Jia-cheng GAO 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2016年第8期2109-2116,共8页
Zn-doped TiO2 (Zn?TiO2) thin films were prepared by the sol?gel method on titanium substrates with heat treatment at different temperatures. The effects of heat treatment temperatures and Zn doping on the structure, p... Zn-doped TiO2 (Zn?TiO2) thin films were prepared by the sol?gel method on titanium substrates with heat treatment at different temperatures. The effects of heat treatment temperatures and Zn doping on the structure, photocathodic protection and photoelectrochemical properties of TiO2 thin films were investigated. It is indicated that the photoelectrical performance of the Zn?TiO2 films is enhanced with the addition of Zn element compared with the pure-TiO2 film and the largest decline by 897 mV in the electrode potential is achieved under 300 °C heat treatment. SEM?EDS analyses show that Zn element is unevenly distributed in Zn?TiO2 films; XRD patterns reveal that the grain size of Zn?TiO2 is smaller than that of pure-TiO2; FTIR results indicate that Zn - O bond forms on Zn?TiO2 surface. Ultraviolet visible absorption spectra prove that Zn?TiO2 shifts to visible light region.Mott?Shottky curves show that the flat-band potential of Zn?TiO2 is more negative and charge carrier density is bigger than that ofpure-TiO2, implying that under the synergy of the width of the space-charge layer, carrier density and flat-band potential, Zn?TiO2 with 300 °C heat treatment displays the best photocathodic protection performance. 展开更多
关键词 TiO2 films Zn-doping photocathodic protection photoelectrochemical activity sol.gel method
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Influences of working pressure on properties for TiO_2 films deposited by DC pulse magnetron sputtering 认领 引用 被引量：11
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作者 ZHANG Can DING Wanyu +2 位作者 WANG Hualin CHAI Weiping JU Dongying 《Journal of Environmental Sciences》 SCIE EI CAS 2009年第6期741-744,共4页
TiO2 films were deposited at room temperature by DC pulse magnetron sputtering system.The crystalline structures,morphological features and photocatalytic activity of TiO2 films were systematically investigated by X-r... TiO2 films were deposited at room temperature by DC pulse magnetron sputtering system.The crystalline structures,morphological features and photocatalytic activity of TiO2 films were systematically investigated by X-ray diffraction（XRD）,atomic force microscopy（AFM） and ultraviolet spectrophotometer,respectively.The results indicated that working pressure was the key deposition parameter in？uencing the TiO2 film phase composition at room temperature,which directly affected its photocatalytic activity.With increasing working pressure,the target self-bias decreases monotonously.Therefore,low temperature TiO2 phase（anatase） could be deposited with high working pressure.The anatase TiO2 films deposited with 1.4 Pa working pressure displayed the highest photocatalytic activity by the decomposition of Methyl Orange solution,which the degradation rate reached the maximum（35%） after irradiation by ultraviolet light for 1 h. 展开更多
关键词 TiO2 film anatase UV induced photocatalysis DC pulse magnetron sputtering
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Properties of TiO_2 Thin Films Prepared by Magnetron Sputtering 认领 引用 被引量：9
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作者 WenjieZHANG YingLI 《Journal of Materials Science & Technology》 SCIE EI CAS 2002年第2期101-107,共7页
With rapid progressive application of TiO2 thin films, magnetron sputtering becomes a very interesting method to prepare such multi-functional thin films. This paper focuses on influences of various deposition process... With rapid progressive application of TiO2 thin films, magnetron sputtering becomes a very interesting method to prepare such multi-functional thin films. This paper focuses on influences of various deposition processes and deposition rate on the structures and properties of TiO2 thin films. Anatase, rutile or amorphous TiO2 films with various crystalline structures and different photocatalytic, optical and electrical properties can be produced by varying sputtering gases, substrate temperature, annealing process, deposition rate and the characteristics of magnetron sputtering. This may in turn affect the functions of TiO2 films in many applications. Furthermore, TiO2-based composites films can overcome many limitations and improve the properties of TiO2 films. 展开更多
关键词 TiO2 thin film magnetron sputtering deposition process composite film.
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Degradation of Pollutant and Antibacterial Activity of Waterborne Polyurethane/Doped TiO_2 Nanoparticle Hybrid Films 认领 引用 被引量：2
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作者 邱珊 DENG Fengxia +3 位作者 XU Shanwen LIU Peng MIN Xinmin 马放 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2015年第3期447-451,共5页
The waterborne polyurethane/doped Ti O2 nanoparticle hybrid films were prepared. Nd, I doped Ti O2 was prepared with a 50 nm particle size firstly. The hybrid film was prepared by mixing doped Ti O2 with waterborne po... The waterborne polyurethane/doped Ti O2 nanoparticle hybrid films were prepared. Nd, I doped Ti O2 was prepared with a 50 nm particle size firstly. The hybrid film was prepared by mixing doped Ti O2 with waterborne polyurethane, followed by heat treatment. The presence and nanometric distribution of doped Ti O2 nanoparticles in prepared membranes is evident according to SEM images. The photocatalytic activities of doped Ti O2 were signifi cantly enhanced compared with pure Ti O2 powders. After the hybrid fi lm fabrication, the photocatalytic activities were almost the same as the pure catalysts with kMB of 0.046. In the antibacterial testing, the hybrid fi lms can inhibit E. coli growth. A signifi cant decrease in membrane fl uidity and increase of permeability of E. coli were observed. 展开更多
关键词 doped TiO2 polyurethane hybrid film photocatalytic activity antibacterial
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Structural and optical properties of nano-spin coated sol-gel porous TiO_2 films 认领 引用 被引量：3
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作者 M.M.El-NAHASS M.H.ALI A.El-DENGLAWEY 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2012年第12期3003-3011,共9页
Three thicknesses of TiO2 films, 174, 195, and 229 nm, were deposited onto quartz substrates by sol–gel spin coating method. The as-deposited thin films were characterized by nano-crystallite with different sizes (19... Three thicknesses of TiO2 films, 174, 195, and 229 nm, were deposited onto quartz substrates by sol–gel spin coating method. The as-deposited thin films were characterized by nano-crystallite with different sizes (19–46 nm) and relatively high porous structure. Optical constants were determined and showed the lowest refractive index of 1.66 for the as-prepared films that ever reported till now. Obtained results were discussed through current theoretical ideas. 展开更多
关键词 TiO2 films optical properties nanostructure electron microscopy thin films spin coating technique
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Preparation,structure and ferromagnetic properties of the nanocrystalline Ti1-xMn_xO_2 thin films grown by radio frequency magnetron co-sputtering 认领 引用 被引量：3
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作者 丁芃 刘发民 +1 位作者 杨新安 李建奇 《Chinese Physics B》 SCIE EI CAS 2008年第2期721-725,共5页
This paper reported that the Mn-doped TiO2 films were prepared by radio frequency （RF） magnetron cosputtering. X-ray diffraction measurements indicate that the samples are easy to form the futile structure, and the ... This paper reported that the Mn-doped TiO2 films were prepared by radio frequency （RF） magnetron cosputtering. X-ray diffraction measurements indicate that the samples are easy to form the futile structure, and the sizes of the crystal grains grow big and big as the Mn concentration increases. X-ray photoemlssion spectroscopy measurements and high resolution transmission electron microscope photographs confirm that the manganese ions have been effectively doped into the TiO2 crystal when the Mn concentration is lower than 21%. The magnetic property measurements show that the Ti1-xMnxO2 （x = 0.21） films are ferromagnetic at room temperature, and the saturation magnetization, coercivity, and saturation field are 16.0 emu/cm^3, 167.5 × 80 A/m and 3740 × 80 A/m at room temperature, respectively. The room-temperature ferromagnetism of the films can be attributed to the new futile Ti1-xMnxO2 structure formed by the substitution of Mn^4＋ for Ti^4＋ into the TiO2 crystal .lattice, and could be explained by O vacancy （Vo）-enhanced ferromagnetism model. 展开更多
关键词 RF magnetron sputtering Mn-doped TiO2 films room-temperature ferromagnetic properties
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Substrate temperature dependence of chemical state and magnetoresistance characteristics of Co–TiO2 nanocomposite films 认领 引用 被引量：1
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作者 Hao-yu CHEN Yi-wen ZHANG +3 位作者 Zhong WU Zhen-bo QIN Shan-shan WU Wen-bin HU 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2020年第9期2502-2509,共8页
Co−TiO2 nanocomposite films were prepared via magnetron sputtering at various substrate temperatures.The films comprise Co particles dispersed in an amorphous TiO2 matrix and exhibit coexisting ferromagnetic and super... Co−TiO2 nanocomposite films were prepared via magnetron sputtering at various substrate temperatures.The films comprise Co particles dispersed in an amorphous TiO2 matrix and exhibit coexisting ferromagnetic and superparamagnetic properties.When the substrate temperature increases from room temperature to 400℃,Co particles gradually grow,and the degree of Co oxidation significantly decreases.Consequently,the saturation magnetization increases from 0.13 to 0.43 T at the same Co content by increasing the substrate temperature from room temperature to 400℃.At a high substrate temperature,conductive pathways form among some of the clustered Co particles.Thus,resistivity rapidly declines from 1600 to 76μΩ·m.The magnetoresistive characteristic of Co−TiO2 films is achieved even at resistivity of as low as 76μΩ·m.These results reveal that the obtained nanocomposite films have low Co oxidation,high magnetization and magnetoresistance at room temperature. 展开更多
关键词 Co TiO2 nanocomposite films ferromagnetic property superparamagnetic property magnetoresistance
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Fabrication of nanoporous TiO_2 films with novel surface morphology on conducting glass(FTO) substrate 认领 引用 被引量：1
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作者 周艺 黄燕 +4 位作者 李荡 何文红 郭长春 吕彩霞 张世英 《Journal of Central South University》 SCIE EI CAS 2012年第10期2740-2745,共6页
The crystalline structure and surface morphology of TiO2 semiconductor coating play an important role in the conversion efficiency of dye-sensitized solar cells. In order to obtain TiO2 coating with controllable morph... The crystalline structure and surface morphology of TiO2 semiconductor coating play an important role in the conversion efficiency of dye-sensitized solar cells. In order to obtain TiO2 coating with controllable morphology and high porosity, nanoporous TiO2 films were fabricated on conducting glass （FTO） substrates, Ti thin films （1.5-2 gin） were deposited on conducting glass （FTO） substrates via the DC sputtering method, and then electrochemically anodized in NH4F/ethylene glycol solution. The crystalline structure and surface morphology of the samples were characterized by X-ray diffraction （XRD） and field emission scanning electron microscopy （FESEM）, respectively. The influences of anodizing potential, electrolyte composition, and pH value on the surface morphology of nanoporous TiO2 films were extensively studied. The growth mechanism of nanoporous TiO2 films was discussed by current density variations with anodizing time. The results demonstrate that nanoporous TiO2 films with high porosity and three-dimensional （3D） networks are observed at 30 V, when the NH4F concentration in ethylene glycol solution is 0.3% （mass fraction） and the electrolyte pH value is 5.0. 展开更多
关键词 nanoporous TiO2 films anodizing potential electrolyte composition pH conducting glass growth mechanism
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Atomic Force Microscopy Studies on the Chemical Treatment of Nanocrystalline Porous TiO_2 Films 认领 引用 被引量：1
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作者 Yuan LIN Feng Zhi JIANG +3 位作者 Jing Bo ZHANG Yan Lin SONG Lei JIANG Xu Rui XIAO 《Chinese Chemical Letters》 SCIE CAS 2002年第5期484-486,共3页
AFM has been utilized to study the surface topography and the local conductivity of nanocrystalline TiO2 films. Improving the local conductivity by Ti(iso-C3H7O)4 treatment is characterized by quantitative analysis of... AFM has been utilized to study the surface topography and the local conductivity of nanocrystalline TiO2 films. Improving the local conductivity by Ti(iso-C3H7O)4 treatment is characterized by quantitative analysis of the simultaneous current image. The mechanism of Ti(iso C3H7O)4 treatment is discussed. 展开更多
关键词 Nanocrystalline TiO2 films chemical treatments AFM topography local conductivity.
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The Effect of SiO_2 Additive on Super-hydrophilic Property of TiO_2-SiO_2 Thin Film by Sol-gel Method 认领 引用 被引量：4
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作者 陈文梅 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2001年第3期30-33,共4页
TiO2-SiO2 thin films have been prepared on slide glass substrates by sol-gel method, and the effect of SiO2 additive on photo-generated hydrophilicity of TiO2 thin film was investigated by measuring the contact angle ... TiO2-SiO2 thin films have been prepared on slide glass substrates by sol-gel method, and the effect of SiO2 additive on photo-generated hydrophilicity of TiO2 thin film was investigated by measuring the contact angle of water, the microstructure, the transmittance, the photocatalytic activity and the specific surface area . The results showed that 10mol% of SiO2 additive was the most effective for decreasing contact angle of water. The SiO2 additive of less than 30mol% has a suppressive effect on the crystal growth of anatase in calcinations, resulting in a large surface area. Consequently, the super-hydrophilicity was improved. 展开更多
关键词 sol-gel TiO2-SiO2 thin films super- hydrophilicity photocatalysis BET
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Tuning Effect of N_2 on Atmospheric-Pressure Cold Plasma CVD of TiO_2 Photocatalytic Films 认领 引用 被引量：1
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作者 底兰波 李小松 +3 位作者 赵天亮 常大磊 刘倩倩 朱爱民 《Plasma Science and Technology》 SCIE EI CAS CSCD 2013年第1期64-69,共6页
To deposit TiO2 films through plasma CVD, the partial pressure ratio of O2 to TIC14 should be greater than the stoichiometric ratio （PO2/PTiCl4 〉 1）. However, this may lead to the formation of powder instead of fil... To deposit TiO2 films through plasma CVD, the partial pressure ratio of O2 to TIC14 should be greater than the stoichiometric ratio （PO2/PTiCl4 〉 1）. However, this may lead to the formation of powder instead of film on the substrate when using volume dielectric barrier discharge （volume-DBD） at atmospheric pressure. In this study, by adding N2 into the working gas Ar, TiO2 photocatalytic films were successfully fabricated in the presence of excess O2 （PO2/PTiC14 = 2.6） by using a wire-to-plate atmospheric-pressure volume-DBD. The tuning effect of N2 on the deposition of TiO2 film was studied in detail. The results showed that by increasing the N2 content, the deposition rate and particle size of the TiO2 film were reduced, and its photocatalytic activity was enhanced. The tuning mechanism of N2 is further discussed. 展开更多
关键词 plasma CVD TiO2 photocatalytic films atmospheric-pressure cold plasma,dielectric barrier discharge （DBD） optical emission spectra （OES）
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Microstructure and optical properties of TiO_2 thin films deposited at different oxygen flow rates 认领 引用 被引量：1
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作者 赵保星 周继承 荣林艳 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS 2010年第8期1429-1433,共5页
To research the influence of oxygen flow rate on the structural and optical properties of TiO2 thin film,TiO2 films on glass were deposited by reactive magnetron sputtering.The microstructure and optical properties we... To research the influence of oxygen flow rate on the structural and optical properties of TiO2 thin film,TiO2 films on glass were deposited by reactive magnetron sputtering.The microstructure and optical properties were measured by X-ray diffractometry,AFM and UV-VIS transmittance spectroscopy,respectively.The results show that the films deposited at oxygen flow rate of 10 mL/min has the lowest roughness and the highest transmittance.The absorption angle shifts to longer wavelengths as oxygen flow rates increase from 5 to 10 mL/min,then to shorter ones as the oxygen flow rate increase from 10 to 30 mL/min.The band gap is 3.38 eV,which is nearly constant in the experiment.For the TiO2 thin films deposited at 10 mL/min of oxyge flow rate,there are nano-crystalline structures,which are suitable for anti-reflection(AR) coating in the solar cells structure system. 展开更多
关键词 TiO2 film reactive magnetron sputtering anti-reflection coating solar cell
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Preparation and Properties of Ag-TiO_2 Thin Films on Glass Substrates 认领 引用 被引量：2
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作者 魏建红 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2002年第3期21-23,共3页
Ag TiO 2 thin films were prepared on glasses.The morphology and structure of Ag TiO 2 films were investigated by XRD, SEM and FT IR.The photocatalytic and hydrophilic properties of Ag TiO 2 thin films were also evalua... Ag TiO 2 thin films were prepared on glasses.The morphology and structure of Ag TiO 2 films were investigated by XRD, SEM and FT IR.The photocatalytic and hydrophilic properties of Ag TiO 2 thin films were also evaluated by examining photocatalytic degradation dichlorophos under sunlight illumination and the change of contact angle respectively.The research results show that the Ag TiO 2 thin film is mainly composed of 20-100nm Ag and TiO 2 particles.The Ag TiO 2 thin films possess a super hydrophilic ability and higher photocatalytic activity than that of pure TiO 2 thin film. 展开更多
关键词 Ag TiO 2 thin film microscope photocatalytic hydrophilic
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Preparation of Nanometer-structured TiO_2 Thin Films by Sol-Gel Method 认领 引用 被引量：2
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作者 何峰 《Journal of Wuhan University of Technology(Materials Science)》 SCIE EI CAS 2002年第4期51-53,共3页
The transparent anatase TiO 2 nanometer thin films were prepared by the sol-gel method on soda-lime glass.X-ray diffraction,thermal analysis and UV-visible spectrophotometer were used to analyze the formation of the p... The transparent anatase TiO 2 nanometer thin films were prepared by the sol-gel method on soda-lime glass.X-ray diffraction,thermal analysis and UV-visible spectrophotometer were used to analyze the formation of the phases.Only increasing the heat-treatment time,the average grain size has no obvious change.The mechanism of grain growth in TiO 2 thin film is probably as follows:the grain of coating will become grain core later;TiO 2 sol constantly deposited on the surface of TiO 2 grain and formed membrane with increasing of coating cycle times;TiO 2 grain in the film grow steadily. 展开更多
关键词 TiO 2 sol-gel method nanometer thin films
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