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

Lok Kumar Shrestha, Marappan Sathish, Jonathan P. Hill, Kun'Ichi Miyazawa, Tohru Tsuruoka, Noelia M. Sanchez-Ballester, Itaru Honma, Qingmin Ji, Katsuhiko Ariga

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)1174-1181
Number of pages8
JournalJournal of Materials Chemistry C
Issue number6
Publication statusPublished - 2013 Feb 14


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