A novel preparation method of organic microcrystals

Hitoshi Kasai, Hari Singh Nalwa, Hidetoshi Oikawa, Shuji Okada, Hiro Matsuda, Nobutsugu Minami, Atsushi Kakuta, Katsumichi Ono, Akio Mukoh, Hachiro Nakanishi

Research output: Contribution to journalArticlepeer-review

613 Citations (Scopus)


Organic microcrystals ranging from several tens nm to µm in size of several chromophores were successfully prepared by simply dispersing ethanol solutions of compounds into stirred water, i.e. by a reprecipitation method. The size of microcrystals was found to depend on concentration of ethanol solutions, dispersing conditions, temperature and so on.

Original languageEnglish
Pages (from-to)L1132-L1134
JournalJapanese Journal of Applied Physics
Issue number8
Publication statusPublished - 1992 Aug


  • Chromophore
  • Diacetylene
  • Jaggregates
  • Organic microcrystals
  • Polydiacetylene
  • Solid-state polymerization


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