Crystal splitting and enhanced photocatalytic behavior of TiO2 rutile nano-belts induced by dislocations

被引：48
作者：
Cha, Seung I. [1 ]
Hwang, Kyu Hyeon [1 ]
Kim, Yu Hyun [1 ]
Yun, Min Ju [1 ]
Seo, Seon Hee [1 ]
Shin, Yun Ji [2 ]
Moon, Jeong Hyun [2 ]
Lee, Dong Yoon [1 ]
机构：
[1] Korea Electrotechnol Res Inst, Creat & Fundamental Res Div, Nano Hybrid Technol Res Ctr, Chang Won 641120, South Korea
[2] Korea Electrotechnol Res Inst, Creat & Fundamental Res Div, Power Semicond Res Ctr, Chang Won 641120, South Korea
来源：
NANOSCALE | 2013年 / 5卷 / 02期
关键词：
SCREW DISLOCATIONS; SINGLE-CRYSTALS; GROWTH; DRIVEN; PHASE; NANOCRYSTALS; NANOWIRES; DEFECTS; ANATASE;
D O I：
10.1039/c2nr33028h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Crystal splitting and enhanced photocatalytic activities caused by implied dislocations were observed in hierarchical TiO2 nano-architectures prepared by one-pot hydrothermal synthesis in concentrated HCl. Microstructural observation revealed that the nanowires formed by continuous splitting of TiO2 nanobelts, which is caused by a lattice misorientation of about 6 degrees, were generated by an array of dislocations. In addition, the larger amount of dislocations implied in TiO2 nano-architectures induces higher photocatalytic activities under ultra-violet illumination.
引用
收藏
页码：753 / 758
页数：6
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