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J. Korean Ceram. Soc. > Volume 39(4); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(4): 386.
doi: https://doi.org/10.4191/kcers.2002.39.4.386
Sb-doped SnO2를 코팅한 도전성 섬유의 제조
김홍대, 최진삼, 신동우
경상대학교 재료공학부
Fabrication of the Conductive Fiber Coated Sb-doped SnO2 Layer
Hong-Dae Kim, Jin-Sam Choi, Dong-Woo Shin
Gyeongsang National University, Division of materials Science and Engineering
Fabricatio of the potassium-titanate fiber with K2O${cdot}nTiO_2$ composition and coating of electrically conductive Sb-doped $SnO_2$ (ATO: Antimony Tin Oxide) layer on the fiber on the fiber were the fiber were the aims of this work. The fiber fabricated by slow-cooling technique showed the mean length of $15{mu}m$ and mean diameter of $0.5{mu}m$. Three different coating methods i.e, sol-gel, co-precipitation and urea technique, were attempted to coat the conductive ATO layer on the potassium-titanate fiber. The influences of coating method, concentrations of ATO(5∼70wt%) and Sb (0∼20wt%), temperature in the range of $450;to;800^{circ}C$, number of washing (3∼4 times) on the resistivity of the ATO coated fiber were examined in details. The fiber coated ATO by coprecipitation exhibited lower resistivity of 103${Omega}{cdot}$cm at the 30 wt% of ATO, and showed nearly constant low value of $60{Omega}{cdot}cm;to;90{Omega}{cdot}$cm at the higher concentration of ATO
Key words: Sb-doped SnO$_2$, Conductive oxide, Potassium-titanate fiber, Coating
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