A facile chemical method to produce superparamagnetic graphene oxide-Fe3O4 hybrid composite and its application in the removal of dyes from aqueous solution

被引：344

作者：

Xie, Guoqiang ^{[1
]}

Xi, Pinxian ^{[1
]}

Liu, Hongyan ^{[1
]}

Chen, Fengjuan ^{[1
]}

Huang, Liang ^{[1
]}

Shi, Yanjun ^{[1
]}

Hou, Fengping ^{[1
]}

Zeng, Zhengzhi ^{[1
]}

Shao, Changwei ^{[2
]}

Wang, Jun ^{[2
]}

机构：

[1] Lanzhou Univ, Key Lab Nonferrous Met Chem & Resources Utilizat, State Key Lab Appl Organ Chem & Colleague Chem &, Lanzhou 730000, Peoples R China

[2] Natl Univ Def Technol, Coll Aerosp & Mat Engn, State Key Lab Adv Ceram Fibers & Composites, Changsha 410073, Hunan, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 03期

关键词：

EXFOLIATED GRAPHITE OXIDE; METHYLENE-BLUE; ADSORPTION; FE3O4; NANOPARTICLES; PHASE; DISPERSIONS; NANOSHEETS; REDUCTION; MAGNETITE;

D O I：

10.1039/c1jm13433g

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 superparamagnetic graphene oxide-Fe3O4 hybrid composite (GO-Fe3O4) was prepared via a simple and effective chemical method. Amino-functionalized Fe3O4 (NH2-Fe3O4) particles are firmly deposited on the graphene oxide sheets. The graphene oxide sheets could prevent NH2-Fe3O4 particles from agglomeration and enable a good dispersion of these oxide particles. The as-prepared GO-Fe3O4 hybrid composite had a much higher thermal stability than graphene oxide. The amount of NH2-Fe3O4 loaded on GO was estimated to be 23.6 wt% by atomic absorption spectrometry. The specific saturation magnetization (M-s) of the GO-Fe3O4 hybrid composite is 15 emu g(-1). The magnetic GO-Fe3O4 composite has been employed as adsorbent for the magnetic separation of dye contaminants from water. The adsorption test of dyes (Methylene Blue (MB) and Neutral Red (NR)) demonstrates that it only takes 30 min for MB and 90 min for NR to attain equilibrium. The adsorption capacities for MB and NR in the concentration range studied are 167.2 and 171.3 mg g(-1), respectively. The GO-Fe3O4 hybrid composite can be easily manipulated in magnetic field for desired separation, leading to the removal of dyes from polluted water. These GO-Fe3O4 hybrid composites have great potential applications in removing organic dyes from polluted water.

引用

页码：1033 / 1039

页数：7

共 67 条

[1] Adsorption of Methylene Blue from Aqueous Solution with Activated Carbon/Cobalt Ferrite/Alginate Composite Beads: Kinetics, Isotherms, and Thermodynamics [J].

Ai, Lunhong ;

Li, Ming ;

Li, Long .

JOURNAL OF CHEMICAL AND ENGINEERING DATA, 2011, 56 (08) :3475-3483

[2]

Akbal F, 2005, J COLLOID INTERF SCI, V286, P455, DOI 10.1016/j.jcis.2005.01.036

[3] A Facile One-step Method to Produce Graphene-CdS Quantum Dot Nanocomposites as Promising Optoelectronic Materials [J].

Cao, Aoneng ;

Liu, Zhen ;

Chu, Saisai ;

Wu, Minghong ;

Ye, Zhangmei ;

Cai, Zhengwei ;

Chang, Yanli ;

Wang, Shufeng ;

Gong, Qihuang ;

Liu, Yuanfang .

ADVANCED MATERIALS, 2010, 22 (01) :103-+

[4] A highly sensitive ultraviolet sensor based on a facile in situ solution-grown ZnO nanorod/graphene heterostructure [J].

Chang, Haixin ;

Sun, Zhenhua ;

Ho, Keith Yat-Fung ;

Tao, Xiaoming ;

Yan, Feng ;

Kwok, Wai-Ming ;

Zheng, Zijian .

NANOSCALE, 2011, 3 (01) :258-264

[5] Oxidation Resistance of Graphene-Coated Cu and Cu/Ni Alloy [J].

Chen, Shanshan ;

Brown, Lola ;

Levendorf, Mark ;

Cai, Weiwei ;

Ju, Sang-Yong ;

Edgeworth, Jonathan ;

Li, Xuesong ;

Magnuson, Carl W. ;

Velamakanni, Aruna ;

Piner, Richard D. ;

Kang, Junyong ;

Park, Jiwoong ;

Ruoff, Rodney S. .

ACS NANO, 2011, 5 (02) :1321-1327

[6] One-step wet chemistry for preparation of magnetite nanorods [J].

Chen, SY ;

Feng, J ;

Guo, XF ;

Hong, JM ;

Ding, WP .

MATERIALS LETTERS, 2005, 59 (8-9) :985-988

[7] Adsorption behavior of rhodamine B on Rhizopus oryzae biomass [J].

Das, Sujoy K. ;

Bhowal, Jayati ;

Das, Akhil R. ;

Guha, Arun K. .

LANGMUIR, 2006, 22 (17) :7265-7272

[8] Adsorption of methylene blue from aqueous solutions on a Moroccan clay [J].

El Mouzdahir, Y. ;

Elmchaouri, A. ;

Mahboub, R. ;

Gil, A. ;

Korili, S. A. .

JOURNAL OF CHEMICAL AND ENGINEERING DATA, 2007, 52 (05) :1621-1625

[9] Deoxygenation of Exfoliated Graphite Oxide under Alkaline Conditions: A Green Route to Graphene Preparation [J].

Fan, Xiaobin ;

Peng, Wenchao ;

Li, Yang ;

Li, Xianyu ;

Wang, Shulan ;

Zhang, Guoliang ;

Zhang, Fengbao .

ADVANCED MATERIALS, 2008, 20 (23) :4490-4493

[10] Raman spectrum of graphene and graphene layers [J].

Ferrari, A. C. ;

Meyer, J. C. ;

Scardaci, V. ;

Casiraghi, C. ;

Lazzeri, M. ;

Mauri, F. ;

Piscanec, S. ;

Jiang, D. ;

Novoselov, K. S. ;

Roth, S. ;

Geim, A. K. .

PHYSICAL REVIEW LETTERS, 2006, 97 (18)

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