Issue 16, 2012
From the journal:

CrystEngComm

Ferromagnetic hematite@graphene nanocomposites for removal of rhodamine B dye molecules from water†

Junkun Liu,ab   Huaqiang Cao,*b   Jinping Xiong*a  and  Ziyang Chengbc  

* Corresponding authors

a College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, PR China
E-mail: xiongjp@mail.buct.edu.cn

b Department of Chemistry, Tsinghua University, Beijing, PR China
E-mail: hqcao@mail.tsinghua.edu.cn

c College of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, PR China

Abstract

In this communication, we report for the first time the synthesis and magnetic properties of hematite (α-Fe2O3) nanocubes anchored on polymer PVP-modified rGO nanosheet (termed HPG) nanocomposites prepared from ferric ions (Fe3+). The HPG exhibited weak ferromagnetic properties with an obviously suppressed Morin temperature of 189 K, much lower than that of hematite nanocubes (257 K), which is attributed to the decrease of the particle size and the coexistence of graphene in the HPG system. Also HPG presents excellent adsorption performance for rhodamine B (RhB) dye molecules.

Graphical abstract: Ferromagnetic hematite@graphene nanocomposites for removal of rhodamine B dye molecules from water

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Article information

DOI
https://doi.org/10.1039/C2CE25578B
Article type
Communication
Submitted
16 Apr 2012
Accepted
29 May 2012
First published
30 May 2012

CrystEngComm, 2012,14, 5140-5144

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Ferromagnetic hematite@graphene nanocomposites for removal of rhodamine B dye molecules from water

J. Liu, H. Cao, J. Xiong and Z. Cheng, CrystEngComm, 2012, 14, 5140 DOI: 10.1039/C2CE25578B

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