Phase B vanadium dioxide: characteristics, synthesis and applications

Abstract

VO₂(B) is a metastable phase of VO₂ composed of both edge and corner sharing irregular VO₆ octahedrons. As a metallic phase at room temperature, VO₂(B) exhibits large tunnels in the lattices that allow the rapid intercalation and deintercalation of metal ions. It also shows a high temperature coefficient of resistance (TCR) and low 1/f noise with appropriate resistance. These merits attract much attention in the field of metal ion batteries and uncooled infrared detectors. In this passage, advances in the development of the preparation and applications of VO₂(B) are systematically reviewed. We focus on the structure and properties of VO₂(B) that strongly affect its applications in metal ion batteries, uncooled infrared detectors and gas sensors, together with the way of controlling them in different preparation methods. A new application in gas and humidity sensing is also mentioned. Finally, we briefly discuss the possible directions of VO₂(B) materials in future research, hoping that this article can provide a valuable reference for research on VO₂(B) in the future.