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Issue 22, 2004
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Lanthanide selective sorbents: self-assembled monolayers on mesoporous supports (SAMMS)

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Abstract

Through the marriage of mesoporous ceramics with self-assembled monolayer chemistry, the genesis of a powerful new class of environmental sorbent materials has been realized. By coating the mesoporous ceramic backbone with a monolayer terminated with a lanthanide-selective ligand, it is possible to couple high lanthanide binding affinity with the high loading capacity (resulting from the extremely high surface area of the support). This lanthanide-selective ligand field is created by pairing a “hard” anionic Lewis base with a suitable synergistic ligand, in a favorable chelating geometry. Details of the synthesis, characterization, lanthanide binding studies, binding kinetics, competition experiments and sorbent regeneration studies are summarized.

Graphical abstract: Lanthanide selective sorbents: self-assembled monolayers on mesoporous supports (SAMMS)

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Article information


Submitted
01 Jun 2004
Accepted
11 Aug 2004
First published
14 Sep 2004

J. Mater. Chem., 2004,14, 3356-3363
Article type
Paper

Lanthanide selective sorbents: self-assembled monolayers on mesoporous supports (SAMMS)

G. E. Fryxell, H. Wu, Y. Lin, W. J. Shaw, J. C. Birnbaum, J. C. Linehan, Z. Nie, K. Kemner and S. Kelly, J. Mater. Chem., 2004, 14, 3356
DOI: 10.1039/B408181A

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