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Template-free solvothermal synthesis of hierarchical boehmite hollow microspheres with strong affinity toward organic pollutants in water
Cai, Weiquan1; Chen, Shuanggui1; Yu, Jiaguo2; Hu, Yuzhen1; Dang, Chengxiong1; Ma, Shuhua3
2013-02-15
Source PublicationMATERIALS CHEMISTRY AND PHYSICS
Volume138Issue:1Pages:167-173
AbstractThree-dimensional hierarchical boehmite hollow microspheres with a very high yield at low cost were successfully synthesized via a one-pot template-free solvothermal route using aluminum chloride hexahydrate as precursor in a mixed ethanol-water solution with assistance of trisodium citrate. The as-synthesized products were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and nitrogen adsorption/desorption techniques. The results show that Cl- and addition amount of trisodium citrate have significant effect on the morphologies of the resultant products, and 6-8 mmol of trisodium citrate is optimal for the synthesis of boehmite hollow microspheres assembled from randomly interconnecting and aligned nanorods with solvothermal time no less than 15 h. A synergistic mediation mechanism of citrate ions and Cl- to form boehmite hollow spheres via self-assembly morphology evolution was proposed based on the experimental results. Interestingly, the typical boehmite hollow microspheres with a surface area of 102 m(2) g(-1), pore volume of 0.37 cm(3) g(-1), and the average pore size of 14.6 nm show superb adsorption properties for Congo red with maximum capacity of 114.7 mg g(-1) which is higher than that of a commercial boehmite. This simple synthetic route is a very promising way for the design and synthesis of new functional hierarchical nanostructured materials with desired adsorptive properties. (C) 2012 Elsevier B.V. All rights reserved.
KeywordInorganic Compounds Nanostructures Chemical Synthesis Microstructure Adsorption
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Language英语
WOS KeywordHYDROTHERMAL SYNTHESIS ; CONGO RED ; ADSORPTION ; ALOOH ; OXIDE ; TRANSFORMATION ; CAPABILITY ; SURFACTANT ; CORE/SHELL ; REMOVAL
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000316241500022
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13619
Collection研究所(批量导入)
Affiliation1.Wuhan Univ Technol, Sch Chem Engn, Wuhan 430070, Peoples R China
2.Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Cai, Weiquan,Chen, Shuanggui,Yu, Jiaguo,et al. Template-free solvothermal synthesis of hierarchical boehmite hollow microspheres with strong affinity toward organic pollutants in water[J]. MATERIALS CHEMISTRY AND PHYSICS,2013,138(1):167-173.
APA Cai, Weiquan,Chen, Shuanggui,Yu, Jiaguo,Hu, Yuzhen,Dang, Chengxiong,&Ma, Shuhua.(2013).Template-free solvothermal synthesis of hierarchical boehmite hollow microspheres with strong affinity toward organic pollutants in water.MATERIALS CHEMISTRY AND PHYSICS,138(1),167-173.
MLA Cai, Weiquan,et al."Template-free solvothermal synthesis of hierarchical boehmite hollow microspheres with strong affinity toward organic pollutants in water".MATERIALS CHEMISTRY AND PHYSICS 138.1(2013):167-173.
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