Stability of Metal Oxide Semiconductor Gas Sensors: A Review

Sensor stability is defined as the ability to maintain a relatively stable and repeatable signal over a sufficient period. Long-term stability for gas sensors is an essential capability for carrying out long-term data collection of human exhaled breath, environmental monitoring and other gas detection in the modern electronic information age. This article reviews the research advances on the stability of metal oxide semiconductor gas sensors in the past five years. The impact of structure, environment, toxicity and sensor array on the sensor stability are discussed. Then, the improvement schemes of existing materials and structure design are summarized. The achievements of structure doping, humidity,…

• NN
  National Natural Science Foundation of China

  Awards: 51872254, 2017YFE0115900
• GO
  Government of Jiangsu Province
• OY
  Outstanding Youth Foundation of Jiangsu Province of China

  Award: BK20211548
• NK
  National Key Research and Development Program of China

  Award: 2017YFE0115900
• DO
  Division of Graduate Education