Journal
LANGMUIR
Volume 29, Issue 5, Pages 1533-1540Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la304874y
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Funding
- Robert A. Welch Foundation [F-1494]
- National Institutes of Health [R01 CA132032]
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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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