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Synthesis and Characteristic of ${\epsilon}$-type Copper Phthalocyanine Used as Color Filter in LCD Panel  

Kim, Jae Hwan (Jungwangdong shihung, FirstColor Co. Ltd.)
Kim, Song Hyuk (Jungwangdong shihung, FirstColor Co. Ltd.)
Kim, Seong Jin (Department of Industrial & Engineering Chemistry, Pukyong National University)
Hong, Seong-Soo (Department of Chemical Engineering, Pukyong National University)
Lee, Gun-Dae (Department of Industrial & Engineering Chemistry, Pukyong National University)
Park, Seong Soo (Department of Industrial & Engineering Chemistry, Pukyong National University)
Publication Information
Applied Chemistry for Engineering / v.23, no.2, 2012 , pp. 138-142 More about this Journal
Abstract
The ${\epsilon}$ type copper phthalocyanine (${\epsilon}$-CuPc), called as a pigment blue 15 : 6, is a significant material to produce a blue pixel in LCD (Liquid Crystal Display) panel. In this study, ${\epsilon}$-CuPc sample was synthesized at various reaction conditions by applying the seed method using ${\epsilon}$-CuPc nanoparticles as a seed. Adequate synthetic conditions of the samples were selected by analyzing and comparing crystalline structure, crystalline purity, microstructure, and synthetic yield of the samples with ${\alpha}$ and ${\beta}$ crystalline CuPc samples. The chemical and crystalline structure of the samples were tested using FT-IR spectrometer and X-ray diffractometry, respectively. The shape of the particle was examined using field emission scanning electiron microscope while the thermal property was tested utilizing thermogravimetric analysis.
Keywords
copper phthalocyanine; ${\epsilon}$-CuPc; color filter; synthesis; phase transformation;
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