Size and form control of titanylphthalocyanine microcrystals by supercritical fluid crystallization method

Yuko Komai, Hitoshi Kasai, Hideyuki Hirakoso, Yukiya Hakuta, Shuji Okada, Hidetoshi Oikawa, Tadafumi Adschiri, Hiroshi Inomata, Kunio Arai, Hachiro Nakanishi

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Supercritical fluid crystallization (SCFC) method is proposed for preparing microcrystals of π-conjugated organic compounds as a development of conventional reprecipitation method. In SCFC method, both size and form of titanylphthalocyanine microcrystals could be controlled by changing experimental conditions such as temperature and type of solvent. We have been able to fabricate γ-form of titanylphthalocyanine microcrystals with 50 nm in size, which is expected to be promising material for organic photoconductors.

Original languageEnglish
Pages (from-to)167-172
Number of pages6
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume322
DOIs
Publication statusPublished - 1998 Jan 1

Keywords

  • Microcrystals
  • Organic photoconductor
  • Reprecipitation
  • Supercritical fluid
  • Titanylphthalocyanines

ASJC Scopus subject areas

  • Condensed Matter Physics

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