초음파 분무 열분해 공정을 이용한 수계 SiO2 Sol로부터의 구형 SiO2 분말 합성

이지현; 황해진; 한규성; 황광택; 김진호; Ji-Hyeon Lee; Hae-Jin Hwang; Kyu-Sung Han; Kwang-Taek Hwang; Jin-Ho Kim

Korean Journal of Materials Research, Vol.26, No.10, 570-576, October, 2016

DOI10.3740/MRSK.2016.26.10.570 Export Citation

초음파 분무 열분해 공정을 이용한 수계 SiO2 Sol로부터의 구형 SiO2 분말 합성

Fabrication of Spherical SiO2 Powders from Aqueous SiO2 Sol via Ultrasonic Pyrolysis

이지현^{1, 2}, 황해진², 한규성^{1, †}, 황광택¹, 김진호¹

¹한국세라믹기술원 도자세라믹센터
²인하대학교 신소재공학과

Ji-Hyeon Lee^{1, 2}, Hae-Jin Hwang², Kyu-Sung Han^{1, 3, †}, Kwang-Taek Hwang^{1, 3}, and Jin-Ho Kim^{1, 3}

¹Ceramic ware Center, Korea Institute of Ceramic Engineering and Technology, Icheon 17303, Republic of Korea
²Division of Material Science and Engineering, Inha University, Incheon 22212, Republic of Korea
³, Korea

E-mail:

Using the ultrasonic pyrolysis method, spherical SiO2 powders were synthesized from aqueous SiO2 sol as a starting material. The effects of pyrolysis conditions such as reaction temperature, SiO2 sol concentration, and physical properties of precursor were investigated for the morphologies of the resulting SiO2 powders. The particle size, shape, and crystallite size of the synthesized SiO2 powders were demonstrated according to the pyrolysis conditions. Generally, the synthesized SiO2 particles were amorphous phase and showed spherical morphology with a smooth surface. It was revealed that increased crystallite size and decreased spherical SiO2 particle size were obtained with increases of the pyrolysis reaction temperature. Also, quantity of spherical SiO2 particles decreased with the decrease in the concentration and surface tension of the precursor.

Keywords:ultrasonic pyrolysis;silica sol;SiO2;spherical powder;raw material

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[1] Cho SH, Park SY, Kim CS, Choi PP, Park JK, Colloids Surf. A: Physicochem. Eng. Asp., 44, 354 (2014)

[2] Jesionowski T, J. Mater. Process. Technol., 203, 121 (2008)

[3] Sheng Y, Zou J, Li B, Tu M, J. Wuhan Univ. Tech. Mater. Sci. Ed., 23, 440 (2008)

[4] Kim KS, Kim SS, Kim SK, Kim JK, Kim WS, HWAHAK KONGHAK, 38(6), 817 (2000)

[5] Jesionowski T, Powder Technol., 127(1), 56 (2002)

[6] Jeong HJ, Master’s Thesis, p. 2-3, Changwon University, Changwon (2010).

[7] Kang YC, Jung KY, Park SB, Korean Chem. Eng. Res., 44(3), 235 (2006)

[8] Bae BS, Jung SJ, Lee B, Moon CK, Choi HL, J. Ocean Eng. Tech., 24, 86 (2010)

[9] Lim CH, Lee KT, Ceram. Int., 42, 13715 (2016)

[10] Cho YH, Kang YC, Lee JH, Sens. Actuators B-Chem., 176, 971 (2013)

[11] Yatsuyanagi F, Suzuki N, Ito M, Kaidou H, Polymer, 42(23), 9523 (2001)

[12] Henrist C, Toussaint C, Vroede JD, Chatzikyriakou D, Dewalque J, Colson P, Maho A, Cloots R, Microporous Mesoporous Mater., 221, 182 (2016)

[13] Ginsburg A, Keller DA, Barad HN, Rietwyk K, Bouhadana Y, Anderson A, Zaban A, Thin Solid Films, 615, 261 (2016)

[14] Pandey R, Yuldashev S, Nguyen HD, Jeon HC, Kang TW, Curr. Appl. Phys., 12, S56 (2012)

[15] Camargo MTT, Jacques Q, Caliman LB, Miagava J, Hotza D, Castro RHR, Gouvea D, Mater. Lett., 171, 232 (2016)

[16] Baez-Rodriguez A, Alvarez-Fragoso O, Garcia-Hipolito M, Guzman-Mendoza J, Falcony C, Ceram. Int., 41, 7197 (2015)

[17] Lang RJ, J. Acoust. Soc. Am., 34, 6 (1962)

[18] Bogovic J, Schwinger A, Stopic S, Schroeder J, Gaukel V, Schuchmann HP, Friedrich B, Metall-Forschung, 65, 455 (2011)

[19] Coulart C, Djurado E, J. European Ceram. Soc., 33, 769 (2013)

[20] Weast RC, Handbook of Chemistry and Physics, 55th ed., p.F-11, F-43, CRC press, Cleveland, USA (1974).