| 常温一氧化碳气敏元件制备及气敏机理研究 |
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| 引用本文： | 王岚,何敬文,刘雅言,王秀艳,丁金英,殷文春,曾雄辉.常温一氧化碳气敏元件制备及气敏机理研究[J].传感器与微系统,2001,20(9):16-17. |
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| 作者姓名： | 王岚 何敬文 刘雅言 王秀艳 丁金英 殷文春 曾雄辉 |
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| 作者单位： | 中国科学院长春应用化学研究所 |
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| 摘 要： | 介绍了以SnO2 为主 ,掺入Al2 O3 ,MgO ,InO ,Pd等添加剂的常温CO气敏元件的制备方法。根据其晶体结构特点对气敏机理进行了探讨。论述了传感器的信息传感机制 ,即晶界势垒控制和晶粒大小控制机制同时存在。为获得性能良好的气敏元件 ,需要最佳的制备方法和最好的添加剂
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| 关 键 词： | 氧化锡 气敏特性 晶体结构 吸附机理 |
| 文章编号： | 1000-9787(2001)09-0016-02 |
| 修稿时间： | 2001年3月30日 |
Preparation of CO gas sensor use at mormal temperature and its mechanism |
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| WANG Lan,HE Jing wen,LIU Ya yan,WANG Xiu yan,DING Jin ying,YIN Wen chun,ZENG Xiong hui.Preparation of CO gas sensor use at mormal temperature and its mechanism[J].Transducer and Microsystem Technology,2001,20(9):16-17. |
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| Authors: | WANG Lan HE Jing wen LIU Ya yan WANG Xiu yan DING Jin ying YIN Wen chun ZENG Xiong hui |
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| Abstract: | Preparation method of CO gas sensor used at room temperature made from SnO 2 with the stuffing of Al 2O 3,MgO,InO,Pd etc is introduced. The crystal structure and mechanism of gas sensor fabricated by sintering process is discussed. Two kinds of control mechanism of information sensing i.e. potential energy among crystal boundaries and crystalline dimension are presented. The best preparation method and stuffing are needed to get gas sensor with good property. |
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| Keywords: | tin dioxide(SnO 2) properties of gas sensing crystal structure adsorption mechanism |
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