Humidity sensing characteristics of graphene and MoS2 as well as their heterostructures with different stacking configurations

Key Points

• The research aims to evaluate the humidity sensing characteristics of graphene and MoS2, particularly their heterostructures with various stacking configurations.
• Constructed four distinct humidity sensor models using graphene and MoS2.
• Analyzed performance variations based on different stacking configurations.
• Evaluated specific surface area contributions to sensing capabilities.
• Graphene and MoS2 heterostructures exhibited enhanced humidity sensing compared to individual materials.
• Different stacking configurations significantly influenced sensitivity and response times.
• The ultra-high specific surface area of 2D materials contributed to improved sensing performance.