Cyclic transformation in shape and crystal structure of C 60 microcrystals

Akito Masuhara; Zhenquan Tan; Masataka Ikeshima; Toshimitsu Sato; Hitoshi Kasai; Hidetoshi Oikawa; Hachiro Nakanishi

doi:10.1039/c2ce25798j

Cyclic transformation in shape and crystal structure of C ₆₀ microcrystals

Akito Masuhara, Zhenquan Tan, Masataka Ikeshima, Toshimitsu Sato, Hitoshi Kasai, Hidetoshi Oikawa, Hachiro Nakanishi

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

The cyclic transformations in shape and crystal structure of C ₆₀ microcrystals in dispersion are experimentally demonstrated by changing the dispersion solvent medium, and keeping the dispersion under ultrasonication. The shape of C ₆₀ microcrystals was changed from as-grown rod-shape to hexagonal disc-shape, then to belt-shape, and again back to rod-shape. The transformation processes were investigated by means of TEM, XRD and FT-IR measurements. As a results, the present transformation is regarded to be a crystal-to-crystal phase transition induced by the exchange of the dispersion medium, which is finally ascribed to weak intermolecular interactions between C ₆₀s inside the crystal.

Original language	English
Pages (from-to)	7787-7791
Number of pages	5
Journal	CrystEngComm
Volume	14
Issue number	22
DOIs	https://doi.org/10.1039/c2ce25798j
Publication status	Published - 2012 Nov 21

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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AU - Masuhara, Akito

AU - Tan, Zhenquan

AU - Ikeshima, Masataka

AU - Sato, Toshimitsu

AU - Kasai, Hitoshi

AU - Oikawa, Hidetoshi

AU - Nakanishi, Hachiro

PY - 2012/11/21

Y1 - 2012/11/21

N2 - The cyclic transformations in shape and crystal structure of C 60 microcrystals in dispersion are experimentally demonstrated by changing the dispersion solvent medium, and keeping the dispersion under ultrasonication. The shape of C 60 microcrystals was changed from as-grown rod-shape to hexagonal disc-shape, then to belt-shape, and again back to rod-shape. The transformation processes were investigated by means of TEM, XRD and FT-IR measurements. As a results, the present transformation is regarded to be a crystal-to-crystal phase transition induced by the exchange of the dispersion medium, which is finally ascribed to weak intermolecular interactions between C 60s inside the crystal.

AB - The cyclic transformations in shape and crystal structure of C 60 microcrystals in dispersion are experimentally demonstrated by changing the dispersion solvent medium, and keeping the dispersion under ultrasonication. The shape of C 60 microcrystals was changed from as-grown rod-shape to hexagonal disc-shape, then to belt-shape, and again back to rod-shape. The transformation processes were investigated by means of TEM, XRD and FT-IR measurements. As a results, the present transformation is regarded to be a crystal-to-crystal phase transition induced by the exchange of the dispersion medium, which is finally ascribed to weak intermolecular interactions between C 60s inside the crystal.

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Cyclic transformation in shape and crystal structure of C ₆₀ microcrystals

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