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Frontiers of Agricultural Science and Engineering

ISSN 2095-7505

ISSN 2095-977X(Online)

CN 10-1204/S

Postal Subscription Code 80-906

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Front. Agr. Sci. Eng.    2017, Vol. 4 Issue (1) : 116-120    https://doi.org/10.15302/J-FASE-2017141
RESEARCH ARTICLE
Synthesis of MnFe2O4/cellulose aerogel nanocomposite with strong magnetic responsiveness
Jian LI(),Yue JIAO,Caichao WAN
Material Science and Engineering College, Northeast Forestry University, Harbin 150040, China
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Abstract

Cellulose aerogel, with abundant three-dimensional architecture, has been considered as a class of ideal eco-friendly matrix materials to encapsulate various nanoparticles for synthesis of miscellaneous functional materials. In the present paper, hexagonal single-crystalline MnFe2O4 was fabricated and inserted into the cellulose aerogel using an in situ chemical precipitation method. The as-prepared MnFe2O4 nanoparticles were well dispersed and immobilized in the micro/nanoscale pore structure of the aerogel, and exhibited superparamagnetic behavior. In addition, the nanocomposite was easily actuated under the effect of an external magnetic field, revealing its strong magnetic responsiveness. Combined with the advantages of environmental benefits, facile synthesis method, strong magnetic responsiveness, and unique structural feature, this class of MnFe2O4/cellulose aerogel nanocomposite has possible uses for applications such as magnetically actuated adsorbents.
Keywords cellulose aerogel      MnFe2O4      magnetic responsiveness      nanocomposite     
Corresponding Author(s): Jian LI   
Just Accepted Date: 28 February 2017   Online First Date: 17 March 2017    Issue Date: 06 March 2017
 Cite this article:   
Jian LI,Yue JIAO,Caichao WAN. Synthesis of MnFe2O4/cellulose aerogel nanocomposite with strong magnetic responsiveness[J]. Front. Agr. Sci. Eng. , 2017, 4(1): 116-120.
 URL:  
https://academic.hep.com.cn/fase/EN/10.15302/J-FASE-2017141
https://academic.hep.com.cn/fase/EN/Y2017/V4/I1/116
Fig.1  SEM images (a, b), EDX pattern (c), TEM image (d), SAED pattern (e), and HRTEM image (f) of MnFe2O4/CA, respectively. The inset in (d) shows the shape of single MnFe2O4 nanoparticle.
Fig.2  XRD patterns of the cellulose aerogel and MnFe2O4/CA
Fig.3  Survey scan (a), O 1s (b), Fe 2p (c), and Mn 2p (d) XPS spectra of MnFe2O4/CA, respectively
Fig.4  (a) TG curves of the cellulose aerogel and MnFe2O4/CA; (b) hysteresis curve of MnFe2O4/CA.
Fig.5  Magnetic responsiveness of MnFe2O4/CA
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[1] Jian LI, Yue JIAO. Polyaniline–polypyrrole nanocomposites using a green and porous wood as support for supercapacitors[J]. Front. Agr. Sci. Eng. , 2019, 6(2): 137-143.
[2] Jian LI,Caichao WAN. Cellulose aerogels decorated with multi-walled carbon nanotubes: preparation, characterization, and application for electromagnetic interference shielding[J]. Front. Agr. Sci. Eng. , 2015, 2(4): 341-346.
[3] Jian LI,Caichao WAN,Yun LU,Qingfeng SUN. Fabrication of cellulose aerogel from wheat straw with strong absorptive capacity[J]. Front. Agr. Sci. Eng. , 2014, 1(1): 46-52.
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