Process optimization for preparing acetone gas sensor based on PANI / Au / Al<sub>2</sub>O<sub>3</sub> electrode

LIU Wen-long; LI Jun-xia; YI Pan-ting; DU Jing-shun; GUO Sheng-ying; ZHANG Yin

doi:10.13873/J.1000-9787(2016)09-0066-03

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Process optimization for preparing acetone gas sensor based on PANI / Au / Al₂O₃ electrode

更新时间：2025-09-11

- Process optimization for preparing acetone gas sensor based on PANI / Au / Al₂O₃ electrode
- Vol. 35, Issue 9, Pages: 66-68(2016)
- 作者机构：
  
  1. 成都大学生物工程学院
  2. 台湾勤益科技大学化工与材料工程系
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2016)09-0066-03
  CLC： O657.1;TP212
- Published：2016
- 稿件说明：
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[1]刘文龙,李俊霞,易攀婷,杜景顺,郭升赢,张崟.丙酮气体传感器的PANI/Au/Al_2O_3电极制备工艺优化[J].传感器与微系统,2016,35(09):66-68.

LIU Wen-long, LI Jun-xia, YI Pan-ting, et al. Process optimization for preparing acetone gas sensor based on PANI / Au / Al₂O₃ electrode[J]. 2016, 35(9): 66-68.
[1]刘文龙,李俊霞,易攀婷,杜景顺,郭升赢,张崟.丙酮气体传感器的PANI/Au/Al_2O_3电极制备工艺优化[J].传感器与微系统,2016,35(09):66-68. DOI： 10.13873/J.1000-9787(2016)09-0066-03.

LIU Wen-long, LI Jun-xia, YI Pan-ting, et al. Process optimization for preparing acetone gas sensor based on PANI / Au / Al₂O₃ electrode[J]. 2016, 35(9): 66-68. DOI： 10.13873/J.1000-9787(2016)09-0066-03.

摘要

以微制程技术及电化学法制备PANI/Au/Al2O3电极

并组装成电阻式丙酮气体传感器。以恒电流法在不同电流密度下进行三阶段聚合

并利用混合物实验设计法对纳米结构PANI/Au/Al2O3电极的最佳制备工艺条件进行了优化。结果表明:分别固定聚合电流密度为40

80μA/cm2进行三阶段聚合

当聚合电流密度按由小到大顺序

所得的PANI/Au/Al2O3电极稳定性最好。固定聚合电量为35 m C

当三阶段电量比为0.35∶0.33∶0.32时

对于9 958×10-6丙酮得到最大的感测电阻变化率为7.55%。丙酮气体浓度在（475

189）×10-6与（23

18）×10-6范围内

对应灵敏度分别为1.2×10-3和6.4×10-3%/10-6

平均响应时间为3 min。

Abstract

In order to obtain a better performance of resistive acetone gas sensor

based on micro process technology and electrochemical methods

PANI / Au / Al2O3 electrode is prepared and assembled.Three-phase polymerization is carried out with different current density.Use mixture experimental design method

preparation process of nanostructure of PANI / Au / Al2O3 electrode is optimized.Results show that the stability of PANI / Au /Al2O3 electrode is the best when polymerization current density is fixed at 40

60 and 80 μA / cm2

respectively

and the aggregate current density chan

ge from small to large.Maintaining polymerization charge at 35 m C

as threephase charge ratio is 0.35 ∶ 0.33 ∶ 0.32

the maximum sensor resistance rate of the 9 958 × 10-6acetone is7.55 %.As the acetone gas concentration in the range of（475

1 189） × 10-6and（23

118） × 10-6

corresponding sensitivities are 1.2 × 10-3and 6.4 × 10-3% /10-6

and the average response time is 3 min.

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references

Effect of dopant concentration on polyaniline for hydrazine detection [J] . Kavirajaa Pandian Sambasevam,Sharifah Mohamad,Sook-Wai Phang. Materials Science in Semiconductor Processing . 2015

A carbon nanotube sensor array for sensitive gas discrimination using principal component analysis [J] . Yijiang Lu,Christina Partridge,M. Meyyappan,Jing Li. Journal of Electroanalytical Chemistry . 2006 (1)

Doped and dedoped polyaniline nanofiber based conductometric hydrogen gas sensors [J] . A.Z. Sadek,W. Wlodarski,K. Kalantar-Zadeh,C. Baker,R.B. Kaner. Sensors & Actuators: A. Physical . 2006 (1)

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Process optimization for preparing acetone gas sensor based on PANI / Au / Al2O3 electrode

DOI：10.13873/J.1000-9787(2016)09-0066-03

摘要

Abstract

关键词

Keywords

references

Process optimization for preparing acetone gas sensor based on PANI / Au / Al₂O₃ electrode