Gas sensitive characteristics of poly-3-hexylthiophene and doped with TiO<sub>2</sub> material to NO<sub>2</sub>

LIANG Sheng-fa 1; LI Dong-mei 1; CHEN Xin 1; ZHAN Shuang 1; LIU Ming 1

doi:10.13873/j.1000-97872012.07.036

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Gas sensitive characteristics of poly-3-hexylthiophene and doped with TiO₂ material to NO₂

更新时间：2025-09-11

- Gas sensitive characteristics of poly-3-hexylthiophene and doped with TiO₂ material to NO₂
- Vol. 31, Issue 7, Pages: 55-57+60(2012)
- 作者机构：
  
  1. 中国科学院微电子研究所
  2. 青岛科技大学
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872012.07.036
  CLC： TP212
- Published：2012
- 稿件说明：
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[1]梁圣法,李冬梅,陈鑫,詹爽,刘明.聚3—己基噻吩及其掺杂TiO_2材料对NO_2的气敏特性[J].传感器与微系统,2012,31(07):55-57+60.

LIANG Sheng-fa 1, LI Dong-mei 1, CHEN Xin 1, et al. Gas sensitive characteristics of poly-3-hexylthiophene and doped with TiO₂ material to NO₂[J]. 2012, 31(7): 55-57+60.
[1]梁圣法,李冬梅,陈鑫,詹爽,刘明.聚3—己基噻吩及其掺杂TiO_2材料对NO_2的气敏特性[J].传感器与微系统,2012,31(07):55-57+60. DOI： 10.13873/j.1000-97872012.07.036.

LIANG Sheng-fa 1, LI Dong-mei 1, CHEN Xin 1, et al. Gas sensitive characteristics of poly-3-hexylthiophene and doped with TiO₂ material to NO₂[J]. 2012, 31(7): 55-57+60. DOI： 10.13873/j.1000-97872012.07.036.

摘要

制作了一种工作于室温下的NO2气体传感器。该传感器以有机聚合物聚3—己基噻吩（P3HT）为敏感材料

以聚对苯二甲酸乙二醇酯（PET）薄膜为柔性衬底。对敏感膜进行了SEM表征。室温下

对不同体积分数的NO2进行了测试

对器件尺寸的影响进行了分析

并对响应规律进行了总结。经实验

对NO2测试下限可达到0.2×10-6。为提高敏感性、减小恢复时间

尝试对敏感膜掺杂TiO2

并同未掺杂的敏感膜进行实验比较

发现对体积分数1.5×10-6的NO2

掺杂TiO2可将敏感性提高8%

恢复性也有明显改善

对周期为1060 s的循环测试表明:掺杂TiO2下阻值基本能完全恢复。

Abstract

A NO 2 gas sensor based on polyethylene terephthalate（PET） as substrate with poly-3-hexylthiophene（P3HT） as the sensing film material is fabricated and tested at room temperature.Properties of sensitive membrane are characterized by SEM.Different volume fractions of NO 2 are tested

and testing limit reaches to 0.2 × 10-6

and the response rule is concluded.Sensitivity of devices with different sizes and resistances has been characterized.To improve sensitivity and reduce recovery time

the sensitive film is doped with TiO 2.Compared with undoped sensitive membrane

the sensitivity of doped TiO 2 can be increased by 8% and a marked improvement of recovery is observed to volume fraction of 1.5 × 10-6 of NO 2 on a period of 1 060 s cycle testing. In the cycle

the membrane doped with TiO 2 can recover fully.

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references

NiO基厚膜NO 2 传感器的研制 [J]. 钟铁钢,梁喜双,刘凤敏,卢革宇,全宝富. 仪表技术与传感器 . 2009(S1)

WO 3 纳米材料的NO 2 气敏特性 [J]. 魏少红,牛新书,蒋凯. 传感器技术 . 2002(11)

Flexible, all-organic ammonia sensor based on dodecylbenzene sulfonic acid-doped polyaniline films [J] . G. Rizzo,A. Arena,N. Donato,M. Latino,G. Saitta,A. Bonavita,G. Neri. Thin Solid Films . 2010 (23)

Flexible strain sensors fabricated with carbon nano-tube and carbon nano-fiber composite thin films [J] . Fuh-Yu Chang,Ruoh-Huey Wang,Hsiharng Yang,Yu-Hsien Lin,Tse-Min Chen,Shu-Jiuan Huang. Thin Solid Films . 2010 (24)

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Gas sensitive characteristics of poly-3-hexylthiophene and doped with TiO2 material to NO2

DOI：10.13873/j.1000-97872012.07.036

摘要

Abstract

关键词

Keywords

references

Gas sensitive characteristics of poly-3-hexylthiophene and doped with TiO₂ material to NO₂