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231224s2017 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1002/adma.201605622
|2 doi
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|a pubmed24n0902.xml
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|a (NLM)28374940
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wall, Matthew A
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Surfactant-Free Shape Control of Gold Nanoparticles Enabled by Unified Theoretical Framework of Nanocrystal Synthesis
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1 |
|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 18.07.2018
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|a Date Revised 12.11.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Gold nanoparticles have unique properties that are highly dependent on their shape and size. Synthetic methods that enable precise control over nanoparticle morphology currently require shape-directing agents such as surfactants or polymers that force growth in a particular direction by adsorbing to specific crystal facets. These auxiliary reagents passivate the nanoparticles' surface, and thus decrease their performance in applications like catalysis and surface-enhanced Raman scattering. Here, a surfactant- and polymer-free approach to achieving high-performance gold nanoparticles is reported. A theoretical framework to elucidate the growth mechanism of nanoparticles in surfactant-free media is developed and it is applied to identify strategies for shape-controlled syntheses. Using the results of the analyses, a simple, green-chemistry synthesis of the four most commonly used morphologies: nanostars, nanospheres, nanorods, and nanoplates is designed. The nanoparticles synthesized by this method outperform analogous particles with surfactant and polymer coatings in both catalysis and surface-enhanced Raman scattering
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|a Journal Article
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4 |
|a crystal growth
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4 |
|a gold nanorods
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4 |
|a nanoparticles
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4 |
|a shape-control
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4 |
|a surfactant-free
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1 |
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|a Harmsen, Stefan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pal, Soumik
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Lihua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Arianna, Gianluca
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lombardi, John R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Drain, Charles Michael
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kircher, Moritz F
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 29(2017), 21 vom: 04. Juni
|w (DE-627)NLM098206397
|x 1521-4095
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|g volume:29
|g year:2017
|g number:21
|g day:04
|g month:06
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|u http://dx.doi.org/10.1002/adma.201605622
|3 Volltext
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