Improving nanoparticle dispersions of pigment and its application to a color filter: New phthalocyanine derivatives as synergist

Jin Woong Namgoong; Sei-Won Chung; Hyeyoun Jang; Young Hoon Kim; Moo Sun Kwak; Jae Pil Kim

Journal of Industrial and Engineering Chemistry, Vol.58, 266-277, February, 2018

DOI10.1016/j.jiec.2017.09.036 Export Citation

Improving nanoparticle dispersions of pigment and its application to a color filter: New phthalocyanine derivatives as synergist

Jin Woong Namgoong, Sei-Won Chung, Hyeyoun Jang, Young Hoon Kim¹, Moo Sun Kwak¹, and Jae Pil Kim^†

Department of Materials Science and Engineering, Seoul National University, Seoul 151-744, Republic of Korea
¹Color Team, LG Display Co., Ltd., Paju-si, Gyeonggi-do 413-779, Republic of Korea

E-mail:

Four synergists were synthesized to enhance pigment nanoparticles dispersion and the contrast ratio. The interaction between the synergist and the dispersant was confirmed by infra-red (IR) spectrometry. We demonstrate that the hydrogen bonds forming between the synergist and the dispersant act as a key factor. To analyze the dispersion properties, dynamic light scattering (DLS), and electron microscopic analysis was examined. The spectral and color characteristics was also measured by UV?vis spectrometry and colorimetry, and the contrast ratio of color filters was evaluated. This study confirms that the prepared synergist can increase the contrast ratio of green color filter.

Keywords:Pigment green 7;Nanoparticle;Pigment dispersion;Color filter;Phthalocyanines

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[2] Berne BJ, Pecora R, Dynamic Light Scattering: With Applications to Chemistry, Biology, and Physics, (2013).

[3] Piedra P, Moosmuller H, Sol. Energy, 155, 637 (2017)

[4] Pirrung FO, Quednau PH, Auschra C, CHIMIA Int. J. Chem., 56, 170 (2002)

[5] Gacek MM, Berg JC, Electrophoresis, 35(12-13), 1766 (2014)

[6] Florio JJ, Miller DJ, Handbook of Coating Additives, Taylor & Francis, 2004.

[7] Kelley AT, Alessi PJ, Fornalik JE, Minter JR, Bessey PG, Garno JC, Royster TL, ACS Appl. Mater. Interfaces, 2, 61 (2010)

[8] Yoon C, Choi JH, Kim JP, Mol. Cryst. Liq. Cryst., 533, 102 (2010)

[9] Yoon C, Choi JH, Dyes Pigment., 101, 344 (2014)

[10] Verdree VT, Pakhomov S, Su G, Allen MW, Countryman AC, Hammer RP, Soper SA, J. Fluoresc., 17, 547 (2007)

[11] Kadish K, Guilard R, Smith KM, The Porphyrin Handbook: Phthalocyanines: Properties and Materials, Elsevier, 2012.

[12] Nemykin VN, Lukyanets EA, Arkivoc, 136 (2010).

[13] Hamam KJ, Alomari MI, Appl. Nanosci., 7, 261 (2017)

[14] Nemykin VN, Lukyanets EA, ARKIVOC, 136 (2010).

[15] Mack J, Kobayashi N, Chem. Rev., 111(2), 281 (2011)

[16] Gaspard S, Tran-Thi TH, J. Chem. Soc. Perkin Trans., 2, 383 (1989)

[17] Herbst W, Hunger K, Industrial Organic Pigments: Production, Properties, Applications, Wiley, 2006.

[18] Spinelli HJ, Adv. Mater., 10(15), 1215 (1998)

[19] Babick F, Suspensions of Colloidal Particles and Aggregates, Springer International Publishing, 2016.

[20] Creutz S, Jerome R, Langmuir, 15(21), 7145 (1999)

[21] Costa JRC, Correia C, Gois JR, Silva SMC, Antunes FE, Moniz J, Serra AC, Coelho JFJ, Prog. Org. Coat., 104, 34 (2017)

[22] Kotlyar LS, Sparks BD, Lepage Y, Woods JR, Clay Min., 33, 103 (1998)

[23] Muller F, Peukert W, Polke R, Stenger F, Int. J. Miner. Process., 74, S31 (2004)

[24] Lee PT, Chiu CW, Chang LY, Chou PY, Lee TM, Chang TY, Wu MT, Cheng WY, Kuo SW, Lin JJ, ACS Appl. Mater. Interfaces, 6, 14345 (2014)

[25] Creutz S, Jerome R, Kaptijn GMP, Werf AW, Akkerman JM, J. Coat. Technol., 70, 41 (1998)

[26] Auschra C, Eckstein E, Muhlebach A, Zink MO, Rime F, Prog. Org. Coat., 45, 83 (2002)

[27] Pavia DL, Lampman GM, Kriz GS, Vyvyan JA, Introduction to Spectroscopy, Cengage Learning, 2014.

[28] Guo LH, Sato H, Hashimoto T, Ozaki Y, Macromolecules, 43(8), 3897 (2010)

[29] Chen NX, Zhang JH, Chin. J. Polym. Sci., 28, 903 (2010)

[30] Eur. J. Inorg. Chem., Thayumanasundaram S, Rangasamy VS, De Greef N, Seo JW, Locquet JP, Eur. J. Inorg. Chem., 1290 (2015).

[31] Coleman MM, Skrovanek DJ, Hu J, Painter PC, Macromolecules, 21, 59 (1988)

[32] Teo LS, Chen CY, Kuo JF, Macromolecules, 30(6), 1793 (1997)

[33] Yoneya M, Utsumi Y, Umeda Y, J. Appl. Phys., 98, 016106 (2005)