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Issue 6, 2013
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Alcohol-induced decomposition of Olmstead's crystalline Ag(i)–fullerene heteronanostructure yields ‘bucky cubes’

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Abstract

Olmstead's crystalline C60-fullerene–Ag(I) organometallic heteronanostructure [C60{AgNO3}5] undergoes an apparently irreversible structural rearrangement upon exposure to low molecular weight aliphatic alcohols leading to a uniquely structured formation of well-oriented fullerene nano/microcrystals (‘bucky cubes’). The mechanism of rearrangement represents a supramolecular analogue of topotactic processes more commonly associated with some purely inorganic materials, such as maghemite, where chemical changes can occur with addition or loss of materials. Hence C60{AgNO3}5, whose rearrangement occurs at the nano/molecular level (i.e. not atomic scale), undergoes a transformation from a crystalline organometallic complex to well ordered cube-shaped arrays of needle-like fullerene microcrystals which reflect the original cubic crystal morphology and internal structure. Processing of bucky cubes by reduction with hydrazine results in a Ag nanoparticle–C60 crystal nanocomposite with potential for SERS analyses.

Graphical abstract: Alcohol-induced decomposition of Olmstead's crystalline Ag(i)–fullerene heteronanostructure yields ‘bucky cubes’

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Article information


Submitted
18 Oct 2012
Accepted
28 Nov 2012
First published
29 Nov 2012

J. Mater. Chem. C, 2013,1, 1174-1181
Article type
Paper

Alcohol-induced decomposition of Olmstead's crystalline Ag(I)–fullerene heteronanostructure yields ‘bucky cubes’

L. K. Shrestha, M. Sathish, J. P. Hill, K. Miyazawa, T. Tsuruoka, N. M. Sanchez-Ballester, I. Honma, Q. Ji and K. Ariga, J. Mater. Chem. C, 2013, 1, 1174
DOI: 10.1039/C2TC00449F

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