Abstract
A general methodology has been established for the synthesis of transition metal nanoclusters within the carboxylic acid functionalized domains of microphase-separated block copolymer films. In this technique the films are soaked in aqueous metal salt solutions prior to reduction of the sequestered metal ions with hydrogen or aqueous NaBH 4. Transmission electron microscopy observation, scanning transmission electron microscopy observation, electron scattering analysis and wide-angle X-ray scattering analysis were used to characterize the size, composition and crystal structure of the resulting metal nanoclusters.
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