Research on the fabrication of 3D graphene and its application in chemiresistive gas sensors

Abstract

Most common chemiresistive gas sensors, based on metal oxide semiconductors, have high energy consumption and poor gas response, which are not suitable for gas detection in factory. With the development of the research on 3D graphene, 3D graphene and its composites become a hotspot of gas sensor researches, because of its large specific surface area and high electrical conductivity. In this paper, the fabrication, performance and application of gas sensors based on 3D graphene and its composites were summarized.At the same time,in view of the slow response recovery speed and small production scale of the current 3D graphene-based gas sensor,solutions such as miniaturization and intelligent production of the sensor chip were proposed,so that it can become the front end of the industrial Internet of Things in the future.

Keywords

• 3d graphene
• composite
• chemiresistive gas sensor