Size and Form Control of Titanylphthalocyanine Microcrystals by Supercritical Fluid Crystallization Method
Yuko Komaia Institute for Chemical Reaction Science, Tohoku University , Sendai , 980-8577 , JapanHitoshi Kasaia Institute for Chemical Reaction Science, Tohoku University , Sendai , 980-8577 , JapanHideyuki Hirakosob Department of Biochemistry and Chemical Engineering , Tohoku University , Sendai , 980-8579 , JapanYukiya Hakutab Department of Biochemistry and Chemical Engineering , Tohoku University , Sendai , 980-8579 , JapanShuji Okadaa Institute for Chemical Reaction Science, Tohoku University , Sendai , 980-8577 , JapanHidetoshi Oikawaa Institute for Chemical Reaction Science, Tohoku University , Sendai , 980-8577 , JapanTadafumi Adschirib Department of Biochemistry and Chemical Engineering , Tohoku University , Sendai , 980-8579 , JapanHiroshi Inomatab Department of Biochemistry and Chemical Engineering , Tohoku University , Sendai , 980-8579 , JapanKunio Araib Department of Biochemistry and Chemical Engineering , Tohoku University , Sendai , 980-8579 , JapanHachiro Nakanishia Institute for Chemical Reaction Science, Tohoku University , Sendai , 980-8577 , Japan
1998en
ABI
Аннотация
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.
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