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题名: Experimental and theoretical studies on competitive adsorption of aromatic compounds on reduced graphene oxides
作者: Yu, Shujun1, 2; Wang, Xiangxue1, 2; Ai, Yuejie1; Tan, Xiaoli2, 3; Hayat, Tasawar4, 5; Hu, Wenping6; Wang, Xiangke1, 3, 5
刊名: JOURNAL OF MATERIALS CHEMISTRY A
发表日期: 2016
卷: 4, 期:15, 页:5654-5662
收录类别: SCI
英文摘要: The individual and competitive adsorption studies of benzene, aniline and naphthylamine on reduced graphene oxides (rGOs) were investigated by batch experiments and theoretical density functional theory (DFT). Experimental results indicate that (1) in all the single, binary, and ternary aromatic compound systems, the sequence of maximum adsorption capacity is naphthylamine > aniline > benzene on rGOs; (2) the overall adsorption capacity of rGOs is in the order of ternary > binary > single system. The DFT calculations indicate that (1) the adsorption energy (E-ad) follows the order of E-ad (benzene) < E-ad (aniline) < E-ad (naphthylamine); (2) the binding energy (Ebd) values of aromatic mixtures indicate that the intramolecular interactions between the aromatic compounds themselves have an important influence on their adsorption on rGOs. The DFT calculations are in good agreement with the batch adsorption results. These findings are very important and useful to understand the mechanisms of adsorption of aromatic compounds on rGOs as well as assessing the effect of the benzene-ring number and polar functional groups on the adsorption of coexisting aromatic compounds on rGOs. The contents are important for the application of rGOs in environmental pollution management.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/36051
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.North China Elect Power Univ, Sch Environm & Chem Engn, Beijing 102206, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, Key Lab Novel Thin Film Solar Cells, Hefei 230031, Peoples R China
3.Soochow Univ, Sch Radiol & Interdisciplinary Sci, Collaborat Innovat Ctr Radiat Med Jiangsu Higher, Suzhou 215123, Peoples R China
4.Quaid I Azam Univ, Dept Math, Islamabad 44000, Pakistan
5.King Abdulaziz Univ, NAAM Res Grp, Fac Sci, Jeddah 21589, Saudi Arabia
6.Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing 100190, Peoples R China
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