Issue 6, 2013

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

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’

Supplementary files

Article information

Article type
Paper
Submitted
18 Okt. 2012
Accepted
28 Nov. 2012
First published
29 Nov. 2012

J. Mater. Chem. C, 2013,1, 1174-1181

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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