Fast sonochemical synthesis of CoSn(OH)6 nanocubes, conversion towards shape-preserved SnO2-Co3O4 hybrids and their photodegradation properties

被引：21

作者：

Cheng, Pandi ^{[1
]}

Ni, Yonghong ^{[1
]}

Yuan, Kefeng ^{[1
]}

Hong, Jianming ^{[2
]}

机构：

[1] Anhui Normal Univ, Coll Chem & Mat Sci, Anhui Key Lab Funct Mol Solids, Wuhu 241000, Peoples R China

[2] Nanjing Univ, Ctr Modern Anal, Nanjing 210093, Jiangsu, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 90卷

基金：

中国国家自然科学基金;

关键词：

CoSn(OH)(6); SnO2-Co3O4; Microstructures; Nanocomposites; MSN(OH)(6) M; CO; ZN; CA; MG;

D O I：

10.1016/j.matlet.2012.08.111

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

CoSn(OH)(6) nanocubes were rapidly prepared by a simple sonochemical route at room temperature for 30 min, employing CoCl2, SnCl4 and NaOH as the starting reactants in the absence of any surfactant or template. Subsequently, CoSn(OH)(6) nanocubes were converted into SnO2-Co3O4 hybrids by calcining at 500 degrees C for 120 min in air. Interestingly, the as-obtained SnO2-Co3O4 hybrids still kept the cubic morphology of CoSn(OH)(6). The above samples were characterized by X-ray powder diffraction (XRD), field emission scanning electron microscopy (SEM), energy dispersive spectrometry (EDS), and (high resolution) transmission electron microscopy (HRTEM/TEM). Experiments showed that SnO2-Co3O4 hybrids owned the stronger photocatalytic activity for the degradation of methylene blue than CoSn(OH)(6) nanocubes. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：19 / 22

页数：4

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