A fabrication method of organic nanocrystals using stabilizer-free emulsion

Eunsang Kwon; Hidetoshi Oikawa; Hitoshi Kasai; Hachiro Nakanishi

doi:10.1021/cg0607349

A fabrication method of organic nanocrystals using stabilizer-free emulsion

Eunsang Kwon, Hidetoshi Oikawa, Hitoshi Kasai, Hachiro Nakanishi

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

44 Citations (Scopus)

Abstract

We report a novel method of producing monodispersed polycyclie aromatic hydrocarbon nanocrystals as a result of crystal growth in a stabilizer-free oil-in-water emulsion. The emulsion was prepared by dispersing a hot organic solvent including target molecules into an aqueous medium at the same temperature as the solvent, and nucleation and crystal growth were then induced in the emulsion by decreasing the temperature. The emulsifier of the organic solvents was easily removed from the dispersion medium, and we were able to obtain π-conjugated organic nanocrystals such as tetracene. C ₆₀ fullerene, and anthracene at high dispersion concentrations.

Original language	English
Pages (from-to)	600-602
Number of pages	3
Journal	Crystal Growth and Design
Volume	7
Issue number	4
DOIs	https://doi.org/10.1021/cg0607349
Publication status	Published - 2007 Apr 1

ASJC Scopus subject areas

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

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10.1021/cg0607349

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AB - We report a novel method of producing monodispersed polycyclie aromatic hydrocarbon nanocrystals as a result of crystal growth in a stabilizer-free oil-in-water emulsion. The emulsion was prepared by dispersing a hot organic solvent including target molecules into an aqueous medium at the same temperature as the solvent, and nucleation and crystal growth were then induced in the emulsion by decreasing the temperature. The emulsifier of the organic solvents was easily removed from the dispersion medium, and we were able to obtain π-conjugated organic nanocrystals such as tetracene. C 60 fullerene, and anthracene at high dispersion concentrations.

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A fabrication method of organic nanocrystals using stabilizer-free emulsion

Abstract

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