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低阻SnO₂微粉的制备及其气敏特性

Preparation of Low Resistance SnO₂ Powder and It’s Gas-Sensing Characteristics

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【Author】 QUAN Baofu,JIN LiYan,QUAN Haiying,QI Jinqing,SUN Liangyan (Department of Electronic Engineering,Jilin University,Changchun,130023,China)

【机构】吉林大学电子工程系!吉林长春； 130023；

【摘要】采用溶胶 -凝胶及共沉淀技术制备了低阻SnO2 微粉。利用XRD及SEM技术分析了SnO2 微粉的结构及形貌。利用这种低阻SnO2 制作的平面热线式气敏元件对H2 、NH3 具有较好的气敏特性。更多还原

【Abstract】 Low resistance SnO 2 powders were prepared by sol-gel method.XRD and SEM were employed to investigate the structure and micrographes of SnO 2 powder.The planar heat-wire type sensors prepared with SnO 2 sensing layer are sensitive for H 2、NH 3 gases.更多还原