Citation: PU Bing-Ye, WANG Shi-Rong, XIAO Yin, LI Zhan-Qiang, CHEN Yu-Fu, LI Xiang-Gao. A New Solvent-free Preparation Approach for Nano β-Form Oxytitanium Phthalocyanine with High Crystallinity and Photoconductive Properties[J]. Chinese Journal of Structural Chemistry, ;2015, 34(11): 1768-1778. doi: 10.14102/j.cnki.0254-5861.2011-0756 shu

A New Solvent-free Preparation Approach for Nano β-Form Oxytitanium Phthalocyanine with High Crystallinity and Photoconductive Properties

PU Bing-Ye ^a,b ,
WANG Shi-Rong ^a,b ,
XIAO Yin ^a,b ,
LI Zhan-Qiang ^a ,
CHEN Yu-Fu ^a,b ,
LI Xiang-Gao ^a,b

a.
a. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
b.
b. Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China

Received Date: 9 April 2015
Available Online: 12 June 2015
Fund Project: Supported by the NNSFC (21206110) (21206110)

In this paper, a new solvent-free crystal phase transformation approach for fabrication of nano β-form oxytitanium phthalocyanine (TiOPc) with high crystallinity and excellent photoconductive properties is reported. The amorphous TiOPc powder is transformed to nano-β-TiOPc by the thermal-induction under a certain temperature in a simple way. According to the research of a series of conditions related to the thermal process, we get nice nano-β-TiOPc whose crystallinity is higher than 97% at 300℃ for annealing 2 hours. The morphology of nano-β-TiOPc is studied by SEM and TEM. Laser organic photoconductors doped β-TiOPc as the charge generation material are prepared to detect their photoelectric performance, and the results show decent photoconductive properties.
- thermal-induction,
- phase transitions,
- solvent-free,
- photoconductivity,
- oxytitanium phthalocyanine
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