Preparation of Cr<sub>2</sub>O<sub>3</sub>/ZnO and gas-sensing properties of ammonia at normal temperature

ZHANG Tengfei; XU Shiqiang; LI Yuhan; WANG Hongtao; HAN Dan; ZHUO Kai

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Preparation of Cr₂O₃/ZnO and gas-sensing properties of ammonia at normal temperature

Research & Approach | 更新时间：2026-04-17

- Preparation of Cr₂O₃/ZnO and gas-sensing properties of ammonia at normal temperature
- Vol. 45, Issue 4, Pages: 24-28(2026)
- 作者机构：
  
  太原理工大学电子信息与光学工程学院,山西,太原,030000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP212;TP604
- Published：2026
- 稿件说明：
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ZHANG Tengfei, XU Shiqiang, LI Yuhan, et al. Preparation of Cr₂O₃/ZnO and gas-sensing properties of ammonia at normal temperature[J]. 2026, 45(4): 24-28.
DOI：

ZHANG Tengfei, XU Shiqiang, LI Yuhan, et al. Preparation of Cr₂O₃/ZnO and gas-sensing properties of ammonia at normal temperature[J]. 2026, 45(4): 24-28. DOI：

摘要

成功地采用静电纺丝法合成了Cr

/ZnO异质结杂化纳米纤维。通过实验研究和分析了异质结纳米纤维气体传感器在不同环境下对氨的气敏特性。结果表明，该传感器在常温下对300×10

-6

的氨响应迅速，且恢复时间为20s。在一定条件下，杂化纳米纤维对600×10

-6

氨气的响应率为65%。

Abstract

/ZnO heterojunction hybrid nanofibers are successfully synthesized by electrospinning.The gas-sensing characteristics of the heterojunction nanofiber gas sensor to ammonia in different environments are studied and analyzed through experiments.The results show that the sensor responds quickly to ammonia with a concentration of 300×10

-6

at room temperature and the recovery time is 20s.Under certain conditions

the response rate of hybrid nanofibers to ammonia with concentration of 600×10

-6

is 65%.

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Preparation of Cr₂O₃/ZnO and gas-sensing properties of ammonia at normal temperature