Issue 18, 2020
From the journal:

Chemical Communications

Site-selective exposure of iron nanoparticles to achieve rapid interface enrichment for heavy metals†

Li Su,a   Jiaxin Ma,a   Jiancheng Wang,a   Wan Jiang,a   Wei-xian Zhangb  and  Jianping Yang ORCID logo *a  

* Corresponding authors

a State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
E-mail: jianpingyang@dhu.edu.cn

b College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resources Reuse, Tongji University, Shanghai 200092, China

Abstract

The enrichment of nanoscale zero-valent iron particles (nZVI) in spatially confined nanostructures with controllable active sites is challenging but has significant effects in environmental remediation. Here, various Fe@PMO nanostructures with well-designed site-exposure of iron are fabricated for investigation of the recovery behaviour of metals. It was found that the Fe@PMO Janus nanoparticles show rapid enrichment of Au(III) in 10 min, reaching ∼71%, and the optimal removal efficiency can be close to ∼98%.

Graphical abstract: Site-selective exposure of iron nanoparticles to achieve rapid interface enrichment for heavy metals

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Article information

DOI
https://doi.org/10.1039/C9CC09765A
Article type
Communication
Submitted
16 Dec 2019
Accepted
29 Jan 2020
First published
30 Jan 2020

Chem. Commun., 2020,56, 2795-2798

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Site-selective exposure of iron nanoparticles to achieve rapid interface enrichment for heavy metals

L. Su, J. Ma, J. Wang, W. Jiang, W. Zhang and J. Yang, Chem. Commun., 2020, 56, 2795 DOI: 10.1039/C9CC09765A

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