Ultra-thin anatase TiO(2) nanosheets dominated with {001} facets: thickness-controlled synthesis, growth mechanism and water-splitting properties

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	Ultra-thin anatase TiO(2) nanosheets dominated with {001} facets: thickness-controlled synthesis, growth mechanism and water-splitting properties
	X. H. Yang; Z. Li; G. Liu; J. Xing; C. H. Sun; H. G. Yang; C. Z. Li
	2011
发表期刊	Crystengcomm
ISSN	1466-8033
卷号	13 期号:5 页码:1378-1383
摘要	Ultra-thin anatase TiO(2) nanosheets with dominant {001} facets (similar to 82%) and controllable thickness (1.6-2.7 nm) were synthesized by using a modified one-pot hydrothermal route. As a morphology controlling agent, the concentration of hydrofluoric acid has a significant impact on the thickness of the as-synthesized TiO(2) nanosheets. In addition, according to the XRD patterns and TEM images of the products on different reaction stages, the growth process of TiO(2) nanosheets was clarified for the first time. We further measured the efficiency for H(2) evolution of the ultra-thin anatase TiO(2) nanosheets loaded with 1 wt% Pt from photochemical reduction of water in the presence of methanol as a scavenger. The TiO(2) nanosheets exhibited a H(2) evolution rate as high as 7381 mu mol h(-1) g(-1) under UV-vis light irradiation, attributing to their exposed reactive {001} facets and high crystallinity.
部门归属	[yang, xiao hua; xing, jun; yang, hua gui; li, chunzhong] e china univ sci & technol, sch mat sci & engn, minist educ, key lab ultrafine mat, shanghai 200237, peoples r china. [li, zhen; sun, chenghua] univ queensland, arc ctr excellence funct nanomat, sch engn, brisbane, qld 4072, australia. [li, zhen; sun, chenghua] australian inst bioengn & nanotechnol, brisbane, qld 4072, australia. [liu, gang] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;yang, hg (reprint author), e china univ sci & technol, sch mat sci & engn, minist educ, key lab ultrafine mat, shanghai 200237, peoples r china;hgyang@ecust.edu.cn czli@ecust.edu.cn
关键词	Photocatalytic Activity High Percentage Nanoparticles Titania Nanocrystals Surfaces Wires Oxide
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/30837
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	X. H. Yang,Z. Li,G. Liu,et al. Ultra-thin anatase TiO(2) nanosheets dominated with {001} facets: thickness-controlled synthesis, growth mechanism and water-splitting properties[J]. Crystengcomm,2011,13(5):1378-1383.
APA	X. H. Yang.,Z. Li.,G. Liu.,J. Xing.,C. H. Sun.,...&C. Z. Li.(2011).Ultra-thin anatase TiO(2) nanosheets dominated with {001} facets: thickness-controlled synthesis, growth mechanism and water-splitting properties.Crystengcomm,13(5),1378-1383.
MLA	X. H. Yang,et al."Ultra-thin anatase TiO(2) nanosheets dominated with {001} facets: thickness-controlled synthesis, growth mechanism and water-splitting properties".Crystengcomm 13.5(2011):1378-1383.