침전법에 의한 SnO<SUB>2</SUB> 분말의 제조

송기창; 김종휘; 성재석

HWAHAK KONGHAK, Vol.35, No.4, 457-462, August, 1997

Export Citation

침전법에 의한 SnO₂ 분말의 제조

Preparation of SnO₂ Powders by the Precipitation Method

송기창, 김종휘, 성재석

초록

SnCl₄·5H₂O의 수용액으로부터 침전법에 의해 주석산 침전을 제조해 이것을 열처리함으로 SnO₂ 분말을 제조하였다. 이 과정 중 열처리 온도 및 침전물의 pH변화가 분말의 특성에 미치는 영향을 조사하였다. 주석산 침전은 하소온도 증가에 따라 흡착수 및 구조수가 방출되어 비표면적이 감소하였으며, 600℃ 부근의 온도에서 결정화가 일어나 대단히 미세한 0.04-0.05μm 크기의 SnO₂ 분말이 형성되었다. 반면에 pH 4-12의 범위에서 침전물의 pH변화는 SnO₂ 분말의 비표면적 및 입자크기에 큰 영향을 주지 못했다.

SnO₂ powder was prepared by calcination of the stannic acid precipitated from SnCl₄·5H₂O aqueous solution by the precipitation method. The effects of calcination temperature and precipitation pH were investigated on the properties of SnO₂ powder. The stannic acid showed the decrease of specific surface area due to the release of absorbed water and structural water with the increase of calcination temperature and was crystallized to SnO₂ powders at 600℃, which were composed of very fine particles with 0.04-0.05 μm in diameter. On the other hand, the variation of precipitation pH in 4-12 pH range did not show a big difference in the specific surface area and particle size of SnO₂ powders.

Keywords:SnO₂ Powder;Precipitation Method;Surface Area;Gas Sensor

[References]

Seiyama T, Kato A, Fukishi K, Nagatini M, Anal. Chem., 34, 1502 (1962)
Seiyama T, Futata H, Era F, Yamazoe N, Denki Kagaku, 40, 244 (1972)
Yamazoe N, Kurokawa Y, Seiyama T, Chem. Lett., 1982 (1988)
Coles GSV, Williams G, Sens. Actuator, 3, 7 (1991)
Fisher G, J. Am. Ceram. Soc. Bull., 5(4), 622 (1986)
Moseley PT, Tofield BC, Mater. Sci. Tech., 1, 505 (1985)
Hirano S, Bull. Ceram. Soc. Jpn., 22(12), 1052 (1987)
Johnson DW, Am. Ceram. Soc. Bull., 60(2), 221 (1981)
Iin PL, Pelton AD, Bale CW, J. Am. Ceram. Soc. Bull., 66(2), 221 (1981)
Kaneko S, Kanamori J, Imoto F, 일본화학회지, 6, 906 (1976)
Son YM, Kwon HB, Roberts EW, J. Electrochem. Soc., 138(7), 2185 (1991)
Xu C, Tamaki J, Miura N, Yamazoe M, Sens. Actuators B-Chem., 3, 147 (1991)
Kittaka S, Morishige K, Fujimoto T, J. Colloid Interface Sci., 72(2), 191 (1979)
Yamamozoe N, Kurokawa Y, Seiyami T, Chem. Lett., 1899 (1982)
Uematsu K, Mizutani N, Kato M, J. Mater. Sci., 22, 915 (1987)
Harroson PG, Thornton EW, J. Chem. Soc.-Faraday Trans., 71, 1013 (1975)
Vincent CA, Weston DFC, J. Electrochem. Soc., 119(4), 518 (1972)

[Referenced By]

[1] Seiyama T, Kato A, Fukishi K, Nagatini M, Anal. Chem., 34, 1502 (1962)

[2] Seiyama T, Futata H, Era F, Yamazoe N, Denki Kagaku, 40, 244 (1972)

[3] Yamazoe N, Kurokawa Y, Seiyama T, Chem. Lett., 1982 (1988)

[4] Coles GSV, Williams G, Sens. Actuator, 3, 7 (1991)

[5] Fisher G, J. Am. Ceram. Soc. Bull., 5(4), 622 (1986)

[6] Moseley PT, Tofield BC, Mater. Sci. Tech., 1, 505 (1985)

[7] Hirano S, Bull. Ceram. Soc. Jpn., 22(12), 1052 (1987)

[8] Johnson DW, Am. Ceram. Soc. Bull., 60(2), 221 (1981)

[9] Iin PL, Pelton AD, Bale CW, J. Am. Ceram. Soc. Bull., 66(2), 221 (1981)

[10] Kaneko S, Kanamori J, Imoto F, 일본화학회지, 6, 906 (1976)

[11] Son YM, Kwon HB, Roberts EW, J. Electrochem. Soc., 138(7), 2185 (1991)

[12] Xu C, Tamaki J, Miura N, Yamazoe M, Sens. Actuators B-Chem., 3, 147 (1991)

[13] Kittaka S, Morishige K, Fujimoto T, J. Colloid Interface Sci., 72(2), 191 (1979)

[14] Yamamozoe N, Kurokawa Y, Seiyami T, Chem. Lett., 1899 (1982)

[15] Uematsu K, Mizutani N, Kato M, J. Mater. Sci., 22, 915 (1987)

[16] Harroson PG, Thornton EW, J. Chem. Soc.-Faraday Trans., 71, 1013 (1975)

[17] Vincent CA, Weston DFC, J. Electrochem. Soc., 119(4), 518 (1972)