Issue 8, 2016

Metal sulfide ion exchangers: superior sorbents for the capture of toxic and nuclear waste-related metal ions

Abstract

Metal sulfide ion-exchangers (MSIEs) represent a new addition to the field of ion exchange materials. This is a growing class of materials that display exceptional selectivity and rapid sorption kinetics for soft or relatively soft metal ions as a result of their soft basic frameworks. Without requiring functionalization, they outperform the most efficient sulfur-functionalized materials. This is the first review focusing on this class of materials; it covers the most important MSIEs, focusing on their synthesis, structural features and ion-exchange chemistry. Furthermore, recent developments in the engineered and composite forms of MSIEs are described. Future research opportunities are also discussed in the hope of inspiring additional scientists to engage in this new area of research on sulfidic ion-exchange materials.

Graphical abstract: Metal sulfide ion exchangers: superior sorbents for the capture of toxic and nuclear waste-related metal ions

Article information

Article type
Perspective
Submitted
05 Mar 2016
Accepted
25 Apr 2016
First published
26 Apr 2016
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY license

Chem. Sci., 2016,7, 4804-4824

Metal sulfide ion exchangers: superior sorbents for the capture of toxic and nuclear waste-related metal ions

M. J. Manos and M. G. Kanatzidis, Chem. Sci., 2016, 7, 4804 DOI: 10.1039/C6SC01039C

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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