【摘要】 本文研究了添加Nd₂O₃和Sm₂O₃复合稀土氧化物的SnO₂半导体气敏元件的气敏特性。在CO₂、H₂、CH₄和C₂H₂等气氛中测量结果表明,元件对乙炔的灵敏度高、选择性好、工作性能稳定。更多还原

【Abstract】 The Nd₂O₃ and Sm₂O₃ composite Rare-Earth Oxide, which added in SnO₂ semiconductor components, on Experiments were carried out determining the sensing characteristics of these components for CO₂. H₂, CH₄ and C₂H₂. Results showed that the components had very highly sensitive. good selectivity and good stability for C₂H₂.更多还原