Preparation and study of porous CuBr NH<sub>3</sub> sensor with high sensitivity and fast response time

LIU Jijiang; YU Haichao; LIU Zhiyuan; XIAN Wanting; WANG Yangyang; YANG Yongchao

doi:10.13873/j.1000-9787(2019)10-0008-04

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Preparation and study of porous CuBr NH₃ sensor with high sensitivity and fast response time

更新时间：2025-09-11

- Preparation and study of porous CuBr NH₃ sensor with high sensitivity and fast response time
- Issue 10, Pages: 8-11(2019)
- 作者机构：
  
  中国电子科技集团公司第四十九研究所
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-9787(2019)10-0008-04
  CLC： TP212
- Published：2019
- 稿件说明：
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LIU Jijiang, YU Haichao, LIU Zhiyuan, et al. Preparation and study of porous CuBr NH₃ sensor with high sensitivity and fast response time[J]. 2019, (10): 8-11.
DOI：

LIU Jijiang, YU Haichao, LIU Zhiyuan, et al. Preparation and study of porous CuBr NH₃ sensor with high sensitivity and fast response time[J]. 2019, (10): 8-11. DOI： 10.13873/j.1000-9787(2019)10-0008-04.

摘要

在氩气保护下

采用真空热沉积溴化亚铜（CuBr）

在陶瓷基底上制备出室温工作的氨气传感器。通过XRD

SEM等表征方法对CuBr敏感材料的晶体结构和形貌特征进行测试

结果表明:所制备的CuBr是纯相材料

具有三维立体多孔网状结构。对CuBr传感器进行（0.5～10）×10

-6

氨气的连续测试

结果显示多孔CuBr传感器比一些半导体和聚合物化合物传感器具有更高的灵敏度

且比其它方法制备的CuBr氨气传感器的响应时间提高2～3个数量级。多孔CuBr氨气传感器优异的敏感性能和增强响应时间归因于一价铜离子Cu

和氨气的特殊作用以及三维立体多孔网状结构。

Abstract

Room-temperature NH

sensors are fabricated by vacuum thermal evaporation of CuBr on a ceramic substrate in an Ar environment.The crystal structure and morphological feature of the CuBr sensitive material are analyzed by XRD

SEM characterization methods.The results show that the fabricated CuBr is pure phase material with three-dimensional and porous network architectures.The real-time response properties of CuBr sensor are evaluated when exposed to 0.5～10×10

-6

at room temperature.The evaluating results show that porous CuBr sensor exhibits higher sensitivity than some semiconductor and polymeric compound sensors.The response time of porous CuB

r sensor is about 2～3 orders of magnitude higher than that of CuBr sensors prepared by other different methods.The excellent sensitive properties and enhanced response time of porous CuBr sensor are ascribed to the specific interactions between Cu

and NH

as well as three-dimensional and porous network architectures.

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⁰

Preparation and study of porous CuBr NH3 sensor with high sensitivity and fast response time

DOI：10.13873/j.1000-9787(2019)10-0008-04

摘要

Abstract

关键词

Keywords

references

Preparation and study of porous CuBr NH₃ sensor with high sensitivity and fast response time