RETRACTED: Graphene sheets synthesized by ionic-liquid-assisted electrolysis for application in water purification (Retracted Article)

被引：52

作者：

Chang, Chia-Feng ^{[2
]}

Quang Duc Truong ^{[1
,3
]}

Chen, Jiann-Ruey ^{[2
]}

机构：

[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan

[2] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu 30013, Taiwan

[3] Vietnam Natl Univ, Dept Chem, Hanoi, Vietnam

来源：

APPLIED SURFACE SCIENCE | 2013年 / 264卷

关键词：

Graphene; Water purification; Heavy metal; Ionic liquids-assisted electrolysis; AQUEOUS-SOLUTION; GRAPHITE OXIDE; CARBON; GROUNDWATER; ADSORPTION; SURFACE; SORBENT; REMOVAL; VIETNAM;

D O I：

10.1016/j.apsusc.2012.10.022

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A facile and green synthesis of graphene sheets by ionic-liquid-assisted electrolysis was investigated in this work. The synthesized graphene sheets have been studied using transmission electron microscopy (TEM), atomic force microscopy (AFM), X-ray powder diffraction (XRD), Raman spectroscopy (Raman) and Fourier transform infrared (FTIR) analysis. The obtained graphene was used for the adsorption of Fe2+ whose presence in the drinking water in wide areas of South Asia has been widely known. The result shows that the graphene could absorb Fe2+ with a capacity of 299.3 mg/g which is 6 times higher than that of graphite oxide. The adsorption properties of metal ions on graphene and the effects of various factors on the adsorption capacity were also investigated in detail. The research results suggest a novel material for developing highly efficient water purification materials for the developing economies. (C) 2012 Elsevier B. V. All rights reserved.

引用

页码：329 / 334

页数：6

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