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Heterosupramolecula...
Heterosupramolecular chemistry : Recognition Initiated and Inhibited Silver Nanocrystal Aggregation
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Ryan, D (författare)
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Rao, S N (författare)
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- Rensmo, Håkan (författare)
- Uppsala universitet,Fysiska institutionen
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Fitzmaurice, D (författare)
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Preece, J A (författare)
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Wenger, S (författare)
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(creator_code:org_t)
- 2000-06-16
- 2000
- Engelska.
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Ingår i: Journal of the American Chemical Society. - : American Chemical Society (ACS). - 0002-7863 .- 1520-5126. ; 122:26, s. 6252-6257
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Near size-monodisperse silver nanocrystals stabilized by chemisorption of a mixture of an alkane thiol (85%) and an alkane thiol incorporating a dibenzo-24-crown-8 moiety (15%) have been prepared. Using dynamic light scattering and nuclear magnetic resonance, it is shown that addition of bis-dibenzylammonium dication initiates aggregation of the silver nanocrystal dispersion by pseudorotaxane assembly. It is also shown that addition of excess dibenzylammonium cation or dibenzo-24-crown-8 inhibits further aggregation. This novel demonstration of controlled nanocrystal aggregation points the way toward the programmed assembly of complex nanocrystal architectures in solution.
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- art (ämneskategori)
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