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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la302284m
|2 doi
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|a eng
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| 100 |
1 |
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|a Chu, Yi-Ting
|e verfasserin
|4 aut
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| 245 |
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|a Aqueous phase synthesis of palladium tripod nanostructures for Sonogashira coupling reactions
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 20.12.2012
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|a Date Revised 31.07.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a In this work, palladium tripod nanocrystals have been synthesized by mixing an aqueous solution of cetyltrimethylammonium bromide (CTAB) surfactant, Na(2)PdCl(4), copper acetate, and ascorbic acid at 30 °C for 3 h. Addition of a small amount of copper ion source is critical to the formation of these tripods with a pod length reaching 100 nm. The incorporation of Cu atoms into the Pd tripods has been verified. The entire Pd tripod is single-crystalline with their branches growing along the [111] and [200] directions. Formation of side branches can be observed in some tripods. Triangular nanoplates are initially formed and evolved into the tripod structure in 20-30 min of reaction. Further growth leads to elongation of the pods. The large Pd tripods can serve as active and recyclable catalysts for a broad range of Sonogashira coupling reactions in water using a variety of aromatic halides containing electron-donating and -withdrawing substituents
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|a Journal Article
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|a Chanda, Kaushik
|e verfasserin
|4 aut
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|a Lin, Po-Heng
|e verfasserin
|4 aut
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| 700 |
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|a Huang, Michael H
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 28(2012), 30 vom: 31. Juli, Seite 11258-64
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|x 1520-5827
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|g volume:28
|g year:2012
|g number:30
|g day:31
|g month:07
|g pages:11258-64
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|u http://dx.doi.org/10.1021/la302284m
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