Selective detection of NO2 and C2H5OH using a Co3O4-decorated ZnO nanowire network sensor

Selective detection of NO2 and C2H5OH using a Co3O4-decorated ZnO nanowire network sensor
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DOI:
10.1039/c0cc05256f
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发表时间:
2011-01-01
影响因子:
4.9
通讯作者:
Lee, Jong-Heun
Lee, Jong-Heun
中科院分区:
化学2区
文献类型:
--
作者:
Na, Chan Woong;Woo, Hyung-Sik;Lee, Jong-Heun

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使用 p 型 Co3O4 修饰的 n 型 ZnO 纳米线 (NW) 网络传感器实现了对两种不同气体 NO2 和 C2H5OH 的选择性检测。气体选择性是通过纳米晶 Co3O4 的催化作用和通过形成 p-n 结而扩展电子耗尽层来解释的。
The selective detection of two different gases, NO2 and C2H5OH, has been achieved using a p-type Co3O4-decorated n-type ZnO nanowire (NW) network sensor. The gas selectivity was explained by the catalytic effect of nanocrystalline Co3O4 and the extension of the electron depletion layer via the formation of p-n junctions.