Chem. J. Chinese Universities

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Directly Solvothermal Synthesis of Copper Phthalocyanine Crystals

XIA Dao-Cheng1, YU Shu-Kun2, MA Chun-Yu1, CHENG Chuan-Hui1,2, GUO Zhen-Qiang2, JI Dong-Mei2, FAN Zhao-Qi1,2, DU Xi-Guang4, WANG Xu3, DU Guo-Tong1,2*   

    1. State Key Laboratory of Materials Modification by Laser, Ion and Electron Beams, School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116023, China;
    2. State Key Laboratory on Integrated Optoelectronics, College of Electronic Science & Engineering,
    3. State Key Laboratory of Superamolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China;
    4. Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
  • Received:2007-06-18 Revised:1900-01-01 Online:2008-02-10 Published:2008-02-10
  • Contact: DU Guo-Tong

Abstract: A novel method for directly synthesizing β-form crystals of copper phthalocyanine(CuPc) was pre-sented in this article. With quinoline as a solvent, crystals were grown after cooling the reaction mixture to room temperature in an autoclave which contains 1,3-diiminoisoindoline, NH4MoO4 and Cu(AcO)2·2H2O in quinoline solvent. These high quality crystals were suitable for characterization measurements. Needle-like single crystals of CuPc with a size up to 10.5 mm in length were obtained. The influences of different temperatures and times on the crystal yields were also discussed. The optimum reaction condition of the crystal growth was as follows: reaction temperature was 270 ℃, the reaction time was 8 h, and the reaction solvent volume was 10 mL, and the highest crystal yield was 51.3%. This method is called solvothermal synthesis method. Moreover, this method may be easily applied in the crystal growth for other organic functional raw materials, and acts as an important part both in scientific experiments and industrial productions.

Key words: Solvothermal synthesis, CuPc, Single crystal, Quinoline

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