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Self-Assembled Monolayer Formed by a Rhenium Complex Containing Hyperbranched Polymer

✍ Scribed by Chui W. Tse; Kai W. Cheng; Wai K. Chan; Aleksandra B. Djurišić

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
138 KB
Volume
25
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

Summary: The synthesis of a hyperbranched polymer containing a rhenium bipyridine complex is reported. The polymer was synthesized from a monomer that contains two chlorotricarbonyl rhenium(I) bipyridine moieties and a stilbazole ligand, and the polymer was formed by the coordination reaction in one single step. Gel permeation chromatography results showed that the resulting polymer had a strong interaction with the column packing material, which was reduced when the eluent was added with an electrolyte. Both atomic force microscopy and laser light scattering showed that the size of the polymer molecules was in the range between 25–30 nm. A monolayer of polymer molecules could form on a pretreated substrate by the self‐assembly process, which can serve as the building block for multilayer ultrathin film devices.

The metal‐containing hyperbranched polymer synthesized here.

magnified imageThe metal‐containing hyperbranched polymer synthesized here.

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