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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la902258s
|2 doi
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|a pubmed24n0643.xml
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|a DE-627
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Zeng, Qiang
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Host-guest directed assembly of gold nanoparticle arrays
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|c 2010
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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 11.03.2010
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|a Date Revised 13.01.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The formation of a three-dimensional assembly of gold nanoparticles driven by host-guest interactions is described. Assembly is achieved via host-guest interactions between cyclodextrin-modified gold nanoparticles which associate with the adamantane unit of a redox active metal complex [Os(CAIPA)(3)](ClO(4))(2), where CAIPA is 2-(4-carboxyphenyl)imidazo[4,5-f][1,10]-phenanthroline-1-adamantylamine. The electrochemical properties of thin films formed on glassy carbon electrodes have been probed using cyclic voltammetry. In aqueous LiClO(4), the homogeneous charge transport diffusion coefficient, D(CT), is (8.4 +/- 0.4) x 10(-9) cm(2) s(-1) for both oxidation and reduction of the osmium complexes. Significantly, this charge transport rate is significantly larger than that obtained for a solid deposit of [Os(CAIPA)(3)](ClO(4))(2) alone where D(CT) is 2.3 x 10(-10) cm(2) s(-1). The higher D(CT) value observed for the nanoparticle arrays suggests that the incorporated nanoparticles facilitate electron transfer between the bound osmium centers
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|a Journal Article
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1 |
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|a Marthi, Reena
|e verfasserin
|4 aut
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| 700 |
1 |
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|a McNally, Andrea
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dickinson, Calum
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Keyes, Tia E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Forster, Robert J
|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 1999
|g 26(2010), 2 vom: 19. Jan., Seite 1325-33
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:26
|g year:2010
|g number:2
|g day:19
|g month:01
|g pages:1325-33
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| 856 |
4 |
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|u http://dx.doi.org/10.1021/la902258s
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