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Synthesis of a Water-soluble Metal–Organic Complex Array
Published on: October 8, 2016
General Synthetic Route toward Highly Dispersed Metal Clusters Enabled by Poly(ionic liquid)s
Jian-Ke Sun1, Zdravko Kochovski2, Wei-Yi Zhang1
1Max Planck Institute of Colloids and Interfaces , Department of Colloid Chemistry, D-14424 Potsdam, Germany.
Abstract:
The ability to synthesize a broad spectrum of metal clusters (MCs) with their size controllable on a subnanometer scale presents an enticing prospect for exploring nanosize-dependent properties. Here we report an innovative design of a capping agent from a polytriazolium poly(ionic liquid) (PIL) in a vesicular form in solution that allows for crafting a variety of MCs including transition metals, noble metals, and their bimetallic alloy with precisely controlled sizes (∼1 nm) and record-high catalytic performance. The ultrastrong stabilization power is a result of an unusual synergy between the conventional binding sites in the heterocyclic cations in PIL and an in situ generated polycarbene structure induced simultaneously to the reduction reaction.
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