在此,大阪大学Yasuhiro Shiraishi报道通过溶胶凝胶法和随后的煅烧制备的铜掺杂二氧化钛(Cu-TiO2)粉末促进了水中NO3−到NH3的还原。 本文要点 要点1.Cu2+掺杂到TiO2中会产生大量表面氧空位(OVsurf),即使在充气条件下也能稳定存在。 要点2.与OVsurf相...
近日,来自西北师范大学的佘厚德教授等人,在国际知名期刊Chemical Engineering Journal上发表题为“Synergetic regulation of interfacial electronic structure of Cu, N co-doped carbon modified TiO2 for efficient photocatalytic CO2 reduction”的研究性文章。该工作采用氨基酸(Lys)作为前驱体制备了Cn(Lys)x@TiO2,在包覆...
关键词:TiO2;铜掺杂;溶胶‐凝胶;光催化 中图法分类号:O643 文献标识码:A PreparationofCu‐dopednanometerTiO2materials andits p hotocatalytic p erformance GAOShu ‐ya 1 ,DONGYa ‐qiong 1 ,LIUJie 1 ,CHENWei ‐qian 1 ,LVLei 2 (1.CollegeofMaterialsScienceandEngineering,ShaanxiUniversityofScience&Te...
关键词 铜沉积 复合薄膜 异质结 可见光催化活性doi 10 3969/j issn 0258 7076 2011 04 007中图分类号 TB34文献标识码 A文章编号 0258 7076 2011 04 0510 05Preparation and Visible Light Photocatalytic Activity ofCu- Doped TiO2Film with Laminated TypeBai Aiying1 2* Liang Wei2 1 Department of ...
Ou—TiO2纳米复合镀层的腐蚀和光催化性能 贺春林,李海松,张金林,杨雪飞,王建明,才庆魁 (沈阳大学辽宁省先进材料制备技术重点实验室,辽宁沈阳 110044) 摘 要:采用纳米复合镀技术在铝表面制备了Cu-TiOz纳米复合镀层,利用扫描电镜、电化学测试系统、 分光光度计对其形貌、腐蚀和光催化性能进行了研究.结果表明,TiOz纳米颗...
摘要:得到了锐钛矿TiO 2半导体的原胞结构,用Cu 原子置换TiO 2原胞中的钛原子,并进行几 何优化㊂通过对能带㊁态密度的分析,发现在掺杂Cu 后,禁带宽度和价带均变窄,导带变宽,价带在费米能级附近出现特别的峰㊂掺Cu 入TiO 2中不仅由Cu 的3d 态电子产生了杂质能级,同时引起了TiO 2的晶格畸变,光催化性能...
TiO2 doped with Cu2+ initiates the formation of brookite phase along with anatase. Doping of Cu2+ introduces structural defects into TiO2. The direct evide
www.nature.com/scientificreports OPEN received: 11 February 2016 accepted: 04 April 2016 Published: 21 April 2016 Highly Efficient F, Cu doped TiO2 anti-bacterial visible light active photocatalytic coatings to combat hospital-acquired infections Nigel S. Leyland1, Joanna Podporska-Carroll2,...
Fig. 1 Curves of TG-DTA of pure (A) and Cu doped TiO2 gel precursor[x (Cu) = 5% ] (B) a. DTA; b. TG. Fig. 2 XRD patterns of pure (A) and Cu doped[x (Cu) = 5% ] TiO2 nanoparticles(B) calcined at different temperatures ...