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Issue 33, 2014
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Green synthesis of Fe3O4 nanoparticles with controlled morphologies using urease and their application in dye adsorption

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Abstract

This paper describes a simple and environmentally friendly method for the preparation of highly stable dispersions of Fe3O4 nanoparticles with controlled morphologies, in the same synthesis system for the first time. During the process, the Fe3O4 nanoparticles are formed using urease as a multifunctional reagent, including catalyst, template and dispersant, due to its enzymatic activity and special enzymatic steric structure. A possible formation mechanism for these Fe3O4 nanoparticles, which have various morphologies including nanospheres, nanosheets and nanorods, is proposed. The as-prepared nanoparticles show a larger specific surface area and a stronger magnetism, which enhances their dye adsorption capacity and increases their potential for application in wastewater treatment.

Graphical abstract: Green synthesis of Fe3O4 nanoparticles with controlled morphologies using urease and their application in dye adsorption

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Publication details

The article was received on 21 Apr 2014, accepted on 03 Jun 2014 and first published on 03 Jun 2014


Article type: Communication
DOI: 10.1039/C4DT01161A
Citation: Dalton Trans., 2014,43, 12474-12479
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    Green synthesis of Fe3O4 nanoparticles with controlled morphologies using urease and their application in dye adsorption

    H. Shi, L. Tan, Q. Du, X. Chen, L. Li, T. Liu, C. Fu, H. Liu and X. Meng, Dalton Trans., 2014, 43, 12474
    DOI: 10.1039/C4DT01161A

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