Volume 143, 2009
From the journal:

Faraday Discussions

Template sol–gel synthesis of mesostructured silica composites using metal complexes bearing amphiphilic side chains: immobilization of a polymeric Pt complex formed by a metallophilic interaction

Wataru Otani,a   Kazushi Kinbaraa  and  Takuzo Aida*a  

* Corresponding authors

a Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
E-mail: aida@macro.t.u-tokyo.ac.jp
Fax: +81 (0)3 5841 7310
Tel: +81 (0)3 5841 7251

Abstract

A bipyridine-based ligand 1 bearing two amphiphilic side chains allowed for the formation of metal complexes Pt(1)Cl2 (2), [Pt(1)2](BF4)2 (3), and [Pt(1)2][Pt(CN)4] (4), which are capable of templating the sol–gel synthesis of mesostrucutred silica to give 2-MS, 3-MS and 4-MS, respectively, whose silicate channels are filled with the corresponding platinum complexes. In particular, silica composite 4-MS, upon spin-coating, gives a transparent film, which emits at 619 nm upon excitation at 495 nm, indicating that a weak Pt–Pt bond, formed between Pt(1)22+ and Pt(CN)42−via a metallophilic interaction, is successfully incorporated into the silicate nanochannels.

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Article information

DOI
https://doi.org/10.1039/B904896K
Article type
Paper
Submitted
23 Jan 2009
Accepted
19 Mar 2009
First published
23 Jul 2009

Faraday Discuss., 2009,143, 335-343

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Template sol–gel synthesis of mesostructured silica composites using metal complexes bearing amphiphilic side chains: immobilization of a polymeric Pt complex formed by a metallophilic interaction

W. Otani, K. Kinbara and T. Aida, Faraday Discuss., 2009, 143, 335 DOI: 10.1039/B904896K

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