Room Temperature Hydrosilylation of Silicon Nanocrystals with Bifunctional Terminal Alkenes
Langmuir2013Vol. 29(5), pp. 1533–1540
Citations Over TimeTop 10% of 2013 papers
Abstract
H-terminated Si nanocrystals undergo room temperature hydrosilylation with bifunctional alkenes with distal polar moieties-ethyl ester, methyl ester, or carboxylic acids-without the aid of light or added catalyst. The passivated Si nanocrystals exhibit bright photoluminescence (PL) and disperse in polar solvents, including water. We propose a reaction mechanism in which ester or carboxylic acid groups facilitate direct nucleophilic attack of the highly curved Si surface of the nanocrystals by the alkene.
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