Room temperature hydrosilylation of silicon nanocrystals with bifunctional terminal alkenes

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 p...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 29(2013), 5 vom: 05. Feb., Seite 1533-40
1. Verfasser: Yu, Yixuan (VerfasserIn)
Weitere Verfasser: Hessel, Colin M, Bogart, Timothy D, Panthani, Matthew G, Rasch, Michael R, Korgel, Brian A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Alkenes Carboxylic Acids Esters Silicon Z4152N8IUI
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520 |a 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 
650 4 |a Journal Article 
650 4 |a Research Support, N.I.H., Extramural 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Carboxylic Acids  |2 NLM 
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700 1 |a Hessel, Colin M  |e verfasserin  |4 aut 
700 1 |a Bogart, Timothy D  |e verfasserin  |4 aut 
700 1 |a Panthani, Matthew G  |e verfasserin  |4 aut 
700 1 |a Rasch, Michael R  |e verfasserin  |4 aut 
700 1 |a Korgel, Brian A  |e verfasserin  |4 aut 
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