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Exploring the Aggregation Mechanism of Graphene Oxide in the Presence of Radioactive Elements: Experimental and Theoretical Studies
Gao, Yang1,2; Chen, Ke1,2; Ren, Xuemei1,3; Alsaedi, Ahmed4; Hayat, Tasawar4; Chen, Changlun1,3,4
2018-11-06
发表期刊ENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN0013-936X
卷号52期号:21页码:12208-12215
通讯作者Ren, Xuemei(renxm1985@163.com) ; Chen, Changlun(clchen@ipp.ac.cn)
摘要In this study, the aggregation kinetics, aggregate morphology, and aggregation mechanisms of graphene oxide (GO) in the presence of Cs+, Sr2+, UO22+, Eu3+, or Th4+ are characterized by using time-resolved dynamic light scattering, transmission electron microscopy (TEM)-element mapping, redispersion of GO aggregates, and density functional theory (DFT) calculations. The destabilization capability of Cs+, Sr2+, UO22+, Eu3+, and Th4+ and the corresponding values of the critical coagulation concentration (CCC) are obtained for the first time. Polyacrylic acid is used as a dispersant to investigate the reversion of GO aggregates induced by various radioactive elements. The combined results of the poly(acrylic acid) effect and TEM-element mapping show that Cs+ induces the aggregation of GO through electric double-layer suppression and weak binding with oxygen-containing functional groups. By employing DFT calculations, we find that the electrostatic potential distribution and the charge transfer rather than coordination with oxygen-containing functional groups control the destabilizing ability of radioactive elements with a higher valence. A comprehensive process of experimental and theoretical studies is considered to better elucidate the colloidal behavior, self-assembly process, application as a novel adsorbent, and environmental risks of GO.
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers
DOI10.1021/acs.est.8b02234
关键词[WOS]DENSITY-FUNCTIONAL THEORY ; TRANSITION-METAL ATOMS ; MODELING TECHNIQUES ; AQUEOUS-SOLUTIONS ; POROUS-MEDIA ; ADSORPTION ; DISPERSION ; NANOSHEETS ; CATION ; STABILITY
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[21477133] ; Anhui Provincial Natural Science Foundation[1608085QB44] ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; University of Science and Technology of China Supercomputer Centers
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Natural Science Foundation ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; Priority Academic Program Development of Jiangsu Higher Education Institutions ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers ; University of Science and Technology of China Supercomputer Centers
WOS研究方向Engineering ; Environmental Sciences & Ecology
WOS类目Engineering, Environmental ; Environmental Sciences
WOS记录号WOS:000449722200025
出版者AMER CHEMICAL SOC
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/34556
专题中科院等离子体物理研究所
通讯作者Ren, Xuemei; Chen, Changlun
作者单位1.Chinese Acad Sci, Inst Plasma Phys, CAS Key Lab Photovolta & Energy Conservat Mat, POB 1126, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
3.Soochow Univ, Jiangsu Higher Educ Inst, Collaborat Innovat Ctr Radiat Med, Suzhou 215123, Peoples R China
4.King Abdulaziz Univ, NAAM Res Grp, Jeddah 21589, Saudi Arabia
推荐引用方式
GB/T 7714
Gao, Yang,Chen, Ke,Ren, Xuemei,et al. Exploring the Aggregation Mechanism of Graphene Oxide in the Presence of Radioactive Elements: Experimental and Theoretical Studies[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2018,52(21):12208-12215.
APA Gao, Yang,Chen, Ke,Ren, Xuemei,Alsaedi, Ahmed,Hayat, Tasawar,&Chen, Changlun.(2018).Exploring the Aggregation Mechanism of Graphene Oxide in the Presence of Radioactive Elements: Experimental and Theoretical Studies.ENVIRONMENTAL SCIENCE & TECHNOLOGY,52(21),12208-12215.
MLA Gao, Yang,et al."Exploring the Aggregation Mechanism of Graphene Oxide in the Presence of Radioactive Elements: Experimental and Theoretical Studies".ENVIRONMENTAL SCIENCE & TECHNOLOGY 52.21(2018):12208-12215.
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