Issue 1, 2017
From the journal:

RSC Advances

Surfactant-assisted synthesis of hierarchical NH2-MIL-125 for the removal of organic dyes

Shen Hu,a   Min Liu,a   Keyan Li,a   Chunshan Song,*ab   Guoliang Zhangc  and  Xinwen Guo*a  

* Corresponding authors

a State Key Laboratory of Fine Chemicals, PSU-DUT Joint Center for Energy Research, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
E-mail: guoxw@dlut.edu.cn
Fax: +86-0411-84986134
Tel: +86-0411-84986133

b EMS Energy Institute, PSU-DUT Joint Center for Energy Research and Department of Energy & Mineral Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, USA
E-mail: csong@psu.edu
Fax: +1-814-865-3573
Tel: +1-814-863-4466

c College of Biological and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China

Abstract

NH2-MIL-125(Ti) is a promising microporous MOF material which has potential applications in photocatalytic and catalytic oxidation reactions. In this work, a facile surfactant assistant synthetic method was employed to obtain hierarchical NH2-MIL-125 with the mesoporosity for photocatalytic degradation of organic dyes. The as-prepared NH2-MIL-125 showed excellent dye removal efficiency due to the combination of improved adsorption and photodegradation. Compared with the microporous NH2-MIL-125, the adsorption capacity of organic dyes increased 28% on hierarchical NH2-MIL-125 and the photodegradation rate approximately increased 2.4 times according to the structure with abundant mesopores and macropores. The morphology of hierarchical NH2-MIL-125 can also be modulated from tetragonal plates to truncated bipyramids and octahedrons, and the obtained catalyst shows similar enhanced photodegradation performance.

Graphical abstract: Surfactant-assisted synthesis of hierarchical NH2-MIL-125 for the removal of organic dyes

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Article information

DOI
https://doi.org/10.1039/C6RA25745C
Article type
Paper
Submitted
24 Oct 2016
Accepted
14 Nov 2016
First published
03 Jan 2017
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2017,7, 581-587

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Surfactant-assisted synthesis of hierarchical NH2-MIL-125 for the removal of organic dyes

S. Hu, M. Liu, K. Li, C. Song, G. Zhang and X. Guo, RSC Adv., 2017, 7, 581 DOI: 10.1039/C6RA25745C

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