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Fabrication of Hierarchical Layerby-Layer Assembled Diamondbased Core-Shell Nanocomposites as Highly Efficient Dye Absorbents for Wastewater Treatment
Zhao, Xinna1,2; Ma, Kai2; Jiao, Tifeng1,2; Xing, Ruirui2,3; Ma, Xilong1; Hu, Jie2; Huang, Hao1; Zhang, Lexin2; Yan, Xuehai3
2017-03-08
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume7
Abstract

The effective chemical modification and self-assembly of diamond-based hierarchical composite materials are of key importance for a broad range of diamond applications. Herein, we report the preparation of novel core-shell diamond-based nanocomposites for dye adsorption toward wastewater treatment through a layer-by-layer (LbL) assembled strategy. The synthesis of the reported composites began with the carboxyl functionalization of microdiamond by the chemical modification of diamond@ graphene oxide composite through the oxidation of diamond@ graphite. The carboxyl-terminated microdiamond was then alternatively immersed in the aqueous solution of amine-containing polyethylenimine and carboxyl-containing poly acrylic acid, which led to the formation of adsorption layer on diamond surface. Alternating (self-limiting) immersions in the solutions of the aminecontaining and carboxyl-containing polymers were continued until the desired number of shell layers were formed around the microdiamond. The obtained core-shell nanocomposites were successfully synthesized and characterized by morphological and spectral techniques, demonstrating higher surface areas and mesoporous structures for good dye adsorption capacities than nonporous solid diamond particles. The LbL-assembled core-shell nanocomposites thus obtained demonstrated great adsorption capacity by using two model dyes as pollutants for wastewater treatment. Therefore, the present work on LbL-assembled diamond-based composites provides new alternatives for developing diamond hybrids as well as nanomaterials towards wastewater treatment applications.

SubtypeArticle
WOS HeadingsScience & Technology
DOI10.1038/srep44076
Indexed BySCI
Language英语
WOS KeywordMethanol Fuel-cell ; Graphene Oxide ; Raman-spectra ; Graphitized Nanodiamond ; Silver Nanoparticle ; Particles ; Carbon ; Electrocatalyst ; Support ; Microspheres
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
Funding OrganizationNational Natural Science Foundation of China(21473153 ; Natural Science Foundation of Hebei Province(B2016203172 ; Top Young Talents of Hebei Province ; Post-graduate's Innovation Fund Project of Yanshan University(2017XJSS052) ; China Postdoctoral Science Foundation(2015M580214) ; Open Funding Project of the National Key Laboratory of Biochemical Engineering(2013KF-02) ; 51402253) ; E2017203160)
WOS IDWOS:000395772200001
Citation statistics
Cited Times:75[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22069
Collection生化工程国家重点实验室
Affiliation1.Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China
2.Yanshan Univ, Hebei Key Lab Appl Chem, Sch Environm & Chem Engn, Qinhuangdao 066004, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Xinna,Ma, Kai,Jiao, Tifeng,et al. Fabrication of Hierarchical Layerby-Layer Assembled Diamondbased Core-Shell Nanocomposites as Highly Efficient Dye Absorbents for Wastewater Treatment[J]. SCIENTIFIC REPORTS,2017,7.
APA Zhao, Xinna.,Ma, Kai.,Jiao, Tifeng.,Xing, Ruirui.,Ma, Xilong.,...&Yan, Xuehai.(2017).Fabrication of Hierarchical Layerby-Layer Assembled Diamondbased Core-Shell Nanocomposites as Highly Efficient Dye Absorbents for Wastewater Treatment.SCIENTIFIC REPORTS,7.
MLA Zhao, Xinna,et al."Fabrication of Hierarchical Layerby-Layer Assembled Diamondbased Core-Shell Nanocomposites as Highly Efficient Dye Absorbents for Wastewater Treatment".SCIENTIFIC REPORTS 7(2017).
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