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高选择性氢气和液化气元件的研制

Preparation of the H₂ and LPG Gas Sensor with High Sensitivity And Selectivity

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【Author】 WANG Jinzhong, WU Jiakun, WANG Xinqiang DU Guotong, JIANG Xiuying, SUN Liangyan Department of Electronic Engineering, Jilin University, Changchun 130023 P.R.C.)

【机构】吉林大学电子工程系!长春130023；

【摘要】作者以共沉淀法制备的 γ-Fe2 O3为气敏基料 ,通过多种金属氧化物的掺杂 ,研究了杂质的离子半径、元素电负性对元件氢气灵敏度的影响 ,并定量地研究了 Ag2 O掺杂特性 ,通过其掺杂修饰和用掺有 Pt O的 Al2 O3表面涂层修饰 ,研制出了高选择性氢气和液化气敏感元件更多还原

【Abstract】 By the co precipitation method, γ Fe\-2O\-3 base material has been made. The effects of many dopants on the H\-2 sensitivity were investigated. Especially, the γ Fe\-2O\-3 gas sensor doped with Ag\-2O was studied in detail. At last, the high sensitivity and selectivity gas sensor of H\-2 and LPG was made with the Ag\-2O dopant and the surface decorating coat of Al\-2O\-3 doped with PtO.更多还原

【关键词】 γ-Fe2O3；表面涂层修饰；选择性；
【Key words】 γ-Fe\-2O\-3； sensitivity； surface decorating coat；

【文献出处】传感技术学报 ,Journal of Transcluction Technology , 编辑部邮箱 ,2001年01期

【分类号】TP212.2
【下载频次】33

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高选择性氢气和液化气元件的研制

Preparation of the H2 and LPG Gas Sensor with High Sensitivity And Selectivity

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Preparation of the H₂ and LPG Gas Sensor with High Sensitivity And Selectivity