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Journal of the Korean Ceramic Society 1983;20(2): 93. |
| $SnO_2$ 소결체 반도체 Gas Sensor에 관한 연구 |
| 박순자, 이재열 |
| 서울대학교 요업공학과 |
| On the $SnO_2$ Semiconductor Gas Sensor |
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| ABSTRACT |
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The sensitivity characteristics of $SnO_2$-based gas sensor prepared by sintering method have been studied at the presence of CO and Propane gas. Samples mixed with 1wt% $La_2O_3$ and 1wt% $PdCl_2$ showed highest sensitivity to CO and propane gas at 250$^{circ}$C but the addition of $CeO_2$ did not enhance the sensitivity. For slectivity for gas a $SnO_2-La_2O_3$ (1wt%) sample without $PdCl_2$ showed better results. A sample sintered sintered at 115$0^{circ}C$ has shown the optimum condition in sensitivity and electroding |
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