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检索条件:关键词=Titanium dioxide  

  • 论文(39)

Antibacterial Properties and Corrosion Resistance of Nitrogen-doped TiO2 Coatings on Stainless Steel

Hefeng Wang

材料科学技术(英文)

The Nitrogen-doped TiO2 (N{TiO2) coatings were fabricated on 304 austenitic stainless steel (SS) substrates by oxidation of titanium nitride coatings, which were prepared by plasma surface alloying technique. Microstructural investigation, corrosion tests and antibacterial test...

关键词: Titanium dioxide

Antibacterial Properties and Corrosion Resistance of Nitrogen-doped TiO2 Coatings on Stainless Steel

Hefeng Wang

材料科学技术(英文)

The Nitrogen-doped TiO2 (N{TiO2) coatings were fabricated on 304 austenitic stainless steel (SS) substrates by oxidation of titanium nitride coatings, which were prepared by plasma surface alloying technique. Microstructural investigation, corrosion tests and antibacterial test...

关键词: Titanium dioxide

Effect of Substrate Pretreatment on Controllable Growth of TiO2 Nanorod Arrays

Minjiang Gao

材料科学技术(英文)

Well-aligned TiO2 nanorod arrays (TNAs) were prepared on the pretreated quartz substrates. The effect of the pretreatment conditions on the growth of TNAs was systematically investigated by X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM) and high-resolution t...

关键词: Titanium dioxide

Responding Depth of Photocatalytic Activity of TiO2 Self-assembled Films

Weichang HAO , Feng PAN , Tianmin WANG , Shukai ZHENG

材料科学技术(英文)

The electrostatically self-assembly method is getting strategically important to prepare multilayer thin films. With careful choice of component materials, this method should allow for the preparation of multilayer thin films with a variety of excellent technological properties. TiO2/PSS multilayer ...

关键词: Responding depth , null , null , null

Polymer Sensitized Quasi Solid-State Photovoltaic Cells Using Derivatives of Polythiophene

G.K.R.Senadeera , J.M.R.C.Fern

材料科学技术(英文)

Substituted thiophene sensitized, nanocrystalline TiO2-based quasi solid-state solar cells were fabricated by using either poly (3-thiophene acetic acid) (P3TAA) or a copolymer with poly (3-thiophene acetic acid)-poly (hexyl thiophene) (P3TAA-PHT) polymers and copper iodide (CuI) as a hole conductin...

关键词: Solar cells , cells , polymers , titanium , dioxide

Ag2O-TiO2/海泡石复合光催化剂制备及其可见光光催化性能

杜玉 , 汤丹丹 , 张高科 , 吴晓勇

催化学报 doi:10.1016/S1872-2067(15)61015-4

传统的TiO2半导体光催化剂存在光谱响应范围窄、量子效率低及不易回收等不足,使其在实际应用中受到限制。通过离子掺杂、贵金属沉积和半导体复合等方法对TiO2进行改性可以拓展其光响应范围,其中半导体复合方法最为常用。复合半导体的特殊能带结构能够有效促进光生载流子的界面迁移,实现光生电荷的有效分离,提高光...

关键词: 氧化银 , 二氧化钛 , 海泡石 , 异质结 , 可见光催化 , 酸性红G , 光催化机理

新型可见光响应的 InVO4-Cu2O-TiO2三元纳米异质结:制备及其光催化性能

冯海波 , 李亚萍 , 罗冬明 , 谭功荣 , 蒋剑波 , 袁惠敏 , 彭三军 , 钱东

催化学报 doi:10.1016/S1872-2067(15)61105-6

由于日益严重的环境和能源危机,可见光催化剂的开发已成为当今最具挑战和紧迫的任务之一.将 TiO2和其它窄禁带半导体复合,已被证明是一种有效的可提高其可见光光催化性能的策略. Cu2O是一种禁带宽度为2.0 eV的 p型窄禁带半导体, InVO4则是一种禁带宽度为2.0 eV的 n型半导体,因它们可用...

关键词: 钒酸铟 , 氧化亚铜 , 二氧化钛 , 纳米异质结 , 可见光 , 光催化降解 , 甲基橙

N2/Ar等离子体改性对CuO/TiO2可见光光催化活性的影响

罗正维 , 江晖 , 胡龙志 , 李丹 , 耿文华 , 韦萍

催化学报 doi:10.1016/S1872-2067(14)60143-1

研究了N2/Ar介质阻挡放电处理对负载CuO的TiO2可见光光催化活性的影响.采用X射线衍射、紫外-可见分光吸收光谱、透射电镜、X射线光电子能谱和电子自旋共振进行了表征,详细考察了等离子改性参数包括气氛组成、处理时间和处理功率对改性效果的影响,并通过降解甲基橙溶液考察了可见光光催化活性.结果表明,最...

关键词: 二氧化钛 , 等离子体 , 改性 , 氮掺杂 ,

TiO2晶相对MnOx/TiO2催化剂催化NO氧化性能的影响

安忠义 , 禚玉群 , 徐超 , 陈昌和

催化学报 doi:10.1016/S1872-2067(12)60726-8

以浸渍在不同晶相TiO2(金红石型(R)、锐钛矿型(A)和P25型(P))上的锰基催化剂为对象,研究了TiO2晶相对MnOx/TiO2催化剂催化NO氧化活性的影响.结果表明,MnOx/TiO2(P)催化剂活性最高,NO转化率在300℃及GHSV=20000 h-1条件下可达83%.各催化剂活性顺序为...

关键词: 一氧化氮氧化 , 锰氧化物 , 二氧化钛 , 晶型 , 污染控制

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