Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Preparation and Characterization of Cy3 Dye with Various Counter Cations

다양한 상대 양이온을 갖는 Cy3 염료의 제조 및 특성 연구

  • Lee, Sang Dong (Department of Image Science & Engineering, Pukyong National University) ;
  • Hyun, Dong Kyoun (Department of Image Science & Engineering, Pukyong National University) ;
  • Jeong, Yeon Tae (Department of Image Science & Engineering, Pukyong National University)
  • 이상동 (부경대학교 이미지시스템공학과) ;
  • 현동균 (부경대학교 이미지시스템공학과) ;
  • 정연태 (부경대학교 이미지시스템공학과)
  • Received : 2014.12.18
  • Accepted : 2015.04.03
  • Published : 2015.05.01
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Abstract

In this research, we focused on the development of cy3 dye with high thermal stability and good solubility for LCD color filter. Cy3 dyes were prepared through the synthetic procedure of two steps. The synthesized cy3 dyes were characterized by using NMR, FT-IR, UV/Vis spectroscopy, and TGA. These cy3 dyes showed maximum absorption wave length (${\lambda}_{max}$) in the range of 549~555 nm in UV/Vis spectrum. And we confirmed that solubility characteristics and thermal stability of cy3 dyes were dependent on the structure of counter cation. Cy3 dyes with methyl counter cation and ethyl counter cation have good solubility in organic solvents such as chloroform, ethanol, and PGME. Moreover, Cy3 dye with ethyl counter cation gave excellent thermal stability in TGA thermograms. And Cy3 dye with ethyl counter cation showed good result in photoresist film test.

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