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231223s2008 xx |||||o 00| ||eng c |
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7 |
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|a 10.1021/la802338f
|2 doi
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|a pubmed24n0609.xml
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|a (DE-627)NLM182723178
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|a (NLM)18823092
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Zhong, Ling
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Synthesis and assembly of gold nanoparticles in organized molecular films of gemini amphiphiles
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| 264 |
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 13.11.2008
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|a Date Revised 15.11.2012
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Generation and assembly of gold nanostructures were investigated in the organized molecular films of a series of gemini amphiphiles. The chloroauric acid, dissolved in the aqueous subphase, was incorporated into the monolayers of the gemini amphiphiles containing ethyleneamine spacers through an interfacial assembly. The in situ formed complex monolayers were transferred onto solid substrates, and gold nanoparticles were generated in the film by a chemical or photochemical reduction. Discrete gold nanoparticles with an absorption maximum at 550 nm were generated in the films by photoirradiation, while different gold nanostructures were obtained by chemical reduction. Depending on the chemical reductant, various shape and assembly of gold nanostructures were obtained. When reduced by hydroquinone, a tree-branched assembly of the nanoparticles was obtained and the film showed a broad band centered at around 900 nm. When NaBH 4 was applied, crooked nanowires or assembly of nanoparticles were obtained, depending on concentration, and the film showed absorption at 569 or 600 nm. Furthermore, by combining the photochemical and chemical reduction methods, i.e., the chloroaurate ion-incorporated film was initially irradiated with UV light and then subjected to chemical reduction, the optical absorption of the formed gold nanostructures can be regulated
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Borohydrides
|2 NLM
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|a Gold
|2 NLM
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| 650 |
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|a 7440-57-5
|2 NLM
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| 650 |
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|a sodium borohydride
|2 NLM
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| 650 |
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|a 87L0B9CPPA
|2 NLM
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| 700 |
1 |
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|a Jiao, Tifeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Minghua
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 24(2008), 20 vom: 21. Okt., Seite 11677-83
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:24
|g year:2008
|g number:20
|g day:21
|g month:10
|g pages:11677-83
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| 856 |
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|u http://dx.doi.org/10.1021/la802338f
|3 Volltext
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