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http://dx.doi.org/10.4313/JKEM.2015.28.5.314

Preparation and Characterization of Cy3 Dye with Various Counter Cations  

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)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.28, no.5, 2015 , pp. 314-319 More about this Journal
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.
Keywords
Cyanine dye; Cy3; LCD color filter; Maximum absorption wavelength; Solubility characteristics; Thermal stability;
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Times Cited By KSCI : 2  (Citation Analysis)
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