염기처리시간에 따른 지르코니아 현탁액의 분산성과 굴절율 변화

조충희; 함동석; 이재흥; 류주환; 이기윤; 조성근; Choong Hee Jo; Dong Seok Ham; Jae Heung Lee; Juwhan Ryu; Kee-Yoon Lee; Seong Keun Cho

Korean Journal of Materials Research, Vol.27, No.1, 1-7, January, 2017

DOI10.3740/MRSK.2017.27.1.1 Export Citation

염기처리시간에 따른 지르코니아 현탁액의 분산성과 굴절율 변화

Change of Dispersibility and Refractive Index of Zirconia Suspension Depending on Alkali Treatment Time

조충희^{1, 2}, 함동석², 이재흥 ², 류주환¹, 이기윤^{1, †}, 조성근^{2, †}

¹충남대학교 고분자공학과
²한국화학연구원 화학소재솔루션센터

Choong Hee Jo^{1, 2}, Dong Seok Ham², Jae Heung Lee², Juwhan Ryu^{1, 3}, Kee-Yoon Lee^{1, 3, †}, and Seong Keun Cho^{2, †}

¹Department of Polymer Science and Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
²Chemical Materials Solutions Center, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
³, Korea

E-mail:,

Zirconia nanoparticles were widely used as filler in order to get high refractive index layer. However, dispersion of nanoparticles is difficult due to their agglomeration in solvent. In this study, the dispersibility of the zirconia suspension is promoted by controlling the steric hindrance and electrostatic interactions through the adsorption of PEI according to alkali treatment time. Also, to induce improved dispersibility on suspension, we changed the dispersion conditions variously and fabricated an ink formulation method for the coating layer. Zirconia suspension was characterized by dynamic light scattering (DLS), Zeta potential measurement, Transmission Electron Microscope (TEM) and FT-IR. We were able to confirm that good dispersion of zirconia suspension by alkali treatment and PEI led to high refractive index.

Keywords:zirconia suspension;NaOH treatment;dispersion;refractive index

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Ferrer FJ, Frutos F, Garcia-Lopez J, Gonzalez-Elipe AR, Yubero F, Thin Solid Films, 516(2-4), 481 (2007)
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Luo KQ, Zhou SX, Wu LM, Thin Solid Films, 517(21), 5974 (2009)
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L Xi, Wang G, Huang L, Kang X, Cheng F, Zhao W, Li H, Mater. Lett., 148, 22 (2015)
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[2] Lee D, Rubner MF, Cohen RE, Nano Lett., 6, 2305 (2006)

[3] Berber M, Bulto V, Kliβ R, Hahn H, Scr. Mater., 53, 547 (2005)

[4] Krogman KC, Druffel T, Sunkara MK, Nanotechnology, 16, 338 (2005)

[5] Ferrer FJ, Frutos F, Garcia-Lopez J, Gonzalez-Elipe AR, Yubero F, Thin Solid Films, 516(2-4), 481 (2007)

[6] Zhao S, Ma F, Song Z, Xu K, Opt. Mater., 30, 910 (2008)

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[9] Tang F, Yu L, Huang X, Guo J, Nanostruct. Mater., 11, 441 (1999)

[10] Luo KQ, Zhou SX, Wu LM, Thin Solid Films, 517(21), 5974 (2009)

[11] Sangermano M, Voit B, Sordo F, Eichhorn KJ, Rizza G, Polymer, 49(8), 2018 (2008)

[12] L Xi, Wang G, Huang L, Kang X, Cheng F, Zhao W, Li H, Mater. Lett., 148, 22 (2015)

[13] Muromachi T, Tsujino T, Kamitani K, Maeda K, J. Sol-Gel Sci. Technol., 40, 267 (2006)

[14] Skovgaard M, Almdal K, van Lelieveld A, J. Mater. Sci., 46(6), 1824 (2011)

[15] Solomon MJ, Saeki T, Wan M, Scales PJ, Boger DV, Usui H, Langmuir, 15(1), 20 (1999)

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[19] Pedersen HG, Bergstrom L, J. Am. Ceram. Soc., 82, 1137 (1999)

[20] Tjipangandjara KF, Somasundaran P, Colloids Surf., 55, 245 (1991)

[21] Leong YK, Scales PJ, Healy TW, Boger DV, Colloids Surf. A: Physicochem. Eng. Asp., 95, 43 (1995)

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