Research on structure and gas sensing properties of surface-modified zinc oxide nanotetrapods

GAO Ying-ri; ZHANG Shun-ping; ZENG Da-wen; XIE Chang-sheng

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Research on structure and gas sensing properties of surface-modified zinc oxide nanotetrapods

更新时间：2025-09-11

- Research on structure and gas sensing properties of surface-modified zinc oxide nanotetrapods
- Issue 8, Pages: 8-11(2008)
- 作者机构：
  
  华中科技大学材料学院模具技术国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TB383.1
- Published：2008
- 稿件说明：
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[1]高硬日,张顺平,曾大文,谢长生.表面改性四针状纳米ZnO结构与气敏性能研究[J].传感器与微系统,2008(08):8-11.

GAO Ying-ri, ZHANG Shun-ping, ZENG Da-wen, et al. Research on structure and gas sensing properties of surface-modified zinc oxide nanotetrapods[J]. 2008, (8): 8-11.
[1]高硬日,张顺平,曾大文,谢长生.表面改性四针状纳米ZnO结构与气敏性能研究[J].传感器与微系统,2008(08):8-11. DOI：

GAO Ying-ri, ZHANG Shun-ping, ZENG Da-wen, et al. Research on structure and gas sensing properties of surface-modified zinc oxide nanotetrapods[J]. 2008, (8): 8-11. DOI：

摘要

将4种质量分数（5%

10%

20%

30%）的Co（CH3COO）24H2O混合到四针状纳米ZnO原料里

采用超声化学浸泡法制备出表面改性四针状纳米ZnO颗粒。通过XRD和TEM分析了表面改性四针状纳米ZnO结构的物相和形貌特征。随着Co（CH3COO）24H2O质量分数增大

Co3O4相明显出现

Co3O4相沉积在ZnO表面上。研究表明:以表面改性四针状纳米ZnO粉末为原料制备的厚膜气敏元件

与纯ZnO气敏元件相比

Co（CH3COO）24H2O质量分数为5%的气敏元件对酒精和甲醇有较高的灵敏度

并讨论了表面改性对气敏性能的影响。

Abstract

Four kinds of quality fraction（5%

10%

20%

30%）cobalt acetate is mixed into ZnO nanotetrapods raw materials

surface-modified ZnO nanotetrapods are prepared by the sonochemical marinate method.The phase structure

morphology of surface-modified ZnO nanotetrapods are investigated by XRD and TEM.The result indicates that along with the increase of cobalt acetate

Co3O4 phase appears clearly and deposits on the surface of ZnO.Surface-modified ZnO nanotetrapods is fabricated with the thick film gas element.Comparing to pure nano-ZnO

5%cobalt acetate qualityt fraction sample has high sensitivity to ethanol and methanol

and the influence of surface-modified on gas sensitivity is discussed.

关键词

Keywords

references

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紫光激发提高ZnO基半导体气敏传感器的敏感性能 [J]. 李金艳,胡木林,谢长生. 传感技术学报 . 2006(02)

氧化锌纳米粒子形态与制备条件的关系 [J]. 马正先,韩跃新,王泽红,印万忠,于富家,袁致涛,马云东. 矿冶 . 2005(02)

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