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氧化锌—维纳米棒的低温制备及其气敏性能
  • ISSN号：1671-6833
  • 期刊名称：《郑州大学学报：工学版》
  • 时间：0
  • 分类：O621.25[理学—有机化学;理学—化学]
  • 作者机构：[1]西北工业大学凝固技术国家重点实验室,陕西西安710072, [2]西北工业大学材料学院,陕西西安710072
  • 相关基金：国家自然科学基金资助项目（51172187）; 高校博士点基金资助项目（20116102130002）
作者： 樊慧庆[1,2], 马龙涛[1,2], 黄丽梅[1,2]
关键词： 氧化锌, 一维纳米结构, 低温合成, 气敏传感器, ZnO, one dimensional nanostructure, low-temperature synthesis, gas-sensing property
中文摘要：

采用低温水热法合成了氧化锌（Zn O）一维纳米棒,通过X射线衍射（XRD）和扫描电子显微镜（SEM）及高分辨透射电子显微镜（HRTEM）研究了其相结构与形貌,并测试了基于Zn O一维纳米棒所制作的传感器的气敏性能.研究表明,该气体传感器对体积分数为500×10-6的乙醇的检测灵敏度为35.71,对乙醇气体的响应和恢复时间分别约为7 s和9 s,并具有优良气体选择特性,最后,结合电子释放理论解释了其气敏机理.

英文摘要：

One-dimensional rod-like ZnO nanostructures were synthesized by a low-temperature hydrothermal process. The morphological feature and phase was detected by using x-ray diffraction and scanning electron mi- croscopy. The sensitivity of gas sensors based on the ZnO nanorods can reach 35.71, and cover and recover time can reach up to 7 s and 9 s, respectively, for 500 x 10 -6 ethanol. The selectivity of this gas sensor is also very well. In addition, the mechanism of gas sensing was discussed in the theory of electron liberation.

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期刊信息
  • 《郑州大学学报：工学版》
  • 北大核心期刊（2011版）
  • 主管单位:河南省教育厅
  • 主办单位:郑州大学
  • 主编：李燕燕
  • 地址：郑州市高新区科学大道100号
  • 邮编：450001
  • 邮箱：gxb@zzu.edu.cn
  • 电话：0371-67781276 67781277
  • 国际标准刊号：ISSN：1671-6833
  • 国内统一刊号：ISSN：41-1339/T
  • 邮发代号:36-232
  • 获奖情况:
  • 全国高校优秀学报,河南省优秀科技期刊一等奖,河南省高校学报“三优”评比一等奖
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  • 被引量:5750