Shape-controlled synthesis of ZnSn(OH)(6) crystallites and their HCHO-sensing properties

doi:10.1039/c2ce06583e

CORC > 上海财经大学 > 上海财经大学

	Shape-controlled synthesis of ZnSn(OH)(6) crystallites and their HCHO-sensing properties
	Han, Lixian 2; Liu, Jie 1; Wang, Zhengjun 2; Zhang, Kun 2; Luo, Hui 2; Xu, Bo 2; Zou, Xing 2; Zheng, Xiao 2; Ye, Bin 3; Yu, Xibin 1,2
刊名	CRYSTENGCOMM
	2012
卷号	14 期号:10 页码:3380-3386
ISSN号	1466-8033
DOI	10.1039/c2ce06583e
英文摘要	Monodisperse ZnSn(OH)6 (ZHS) microcrystallites (MCs) with two morphologies have been prepared through a facile preparation method without complicated steps, or advanced experimental conditions or equipments. The morphology and compositional characteristics of the 3D hierarchitectures (HAs) of ZHS MCs were investigated by various techniques such as XRD, FESEM, TEM, UV-vis spectra, BET, XPS and EPR. In the reaction system the morphology evolution from cube to sphere was controlled by adding a different concentration of NH4OH. Meanwhile, the formation mechanisms of the two ZHS MCs were studied via a series of time-dependent experiments. Interesting, ZHS MCs were self-assembled from irregular-shaped nanoparticles (5-10 nm). The XPS and EPR tests demonstrated oxygen vacancy defects existed in the ZHS MCs. The gas sensors based on ZHS presented a good sensor performance towards HCHO. However, the gas sensors based on of ZHS spherical MCs exhibited a higher response, shorter recovery time and good reproducibility towards HCHO than those of ZHS cubic MCs. More importantly, the best gas sensing properties were found coming from the similar to 600 nm spherical ZHS MCs owing to more oxygen vacancy defects, lower band gap energy, and larger active surface area.
WOS研究方向	Chemistry ; Crystallography
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000303168700008
内容类型	期刊论文
源URL	[http://10.2.47.112/handle/2XS4QKH4/2198]
专题	上海财经大学
通讯作者	Yu, Xibin
作者单位	1.Minist Educ, Shanghai Key Lab Rare Earth Funct Mat, Key Lab Resource Chem, Shanghai, Peoples R China; 2.Shanghai Normal Univ, Coll Life & Environm Sci, Shanghai 200234, Peoples R China; 3.Shanghai Univ Finance & Econ, Dept Appl Math, Shanghai 200433, Peoples R China
推荐引用方式 GB/T 7714	Han, Lixian,Liu, Jie,Wang, Zhengjun,et al. Shape-controlled synthesis of ZnSn(OH)(6) crystallites and their HCHO-sensing properties[J]. CRYSTENGCOMM,2012,14(10):3380-3386.
APA	Han, Lixian.,Liu, Jie.,Wang, Zhengjun.,Zhang, Kun.,Luo, Hui.,...&Yu, Xibin.(2012).Shape-controlled synthesis of ZnSn(OH)(6) crystallites and their HCHO-sensing properties.CRYSTENGCOMM,14(10),3380-3386.
MLA	Han, Lixian,et al."Shape-controlled synthesis of ZnSn(OH)(6) crystallites and their HCHO-sensing properties".CRYSTENGCOMM 14.10(2012):3380-3386.