Metal–organic frameworks and their derivatives for electrically-transduced gas sensors

Abstract Metal–organic frameworks (MOFs) and the MOF derived materials are porous solid materials with broad application prospect. As for electrically-transduced gas sensors, the application barrier of the signal transducer has been overcome by development in fields of conductive MOFs, the MOF based composites, dynamic MOFs, and/or the MOF derived materials. Currently, it is moving towards a critical development stage from usability to ease of use, of which great challenge remains unsolved. To address this issue, we give our perspective on the basic principles, material design, sensor performances, and worthwhile directions based on recently published works, focusing on five primary types of electrically-transduced gas sensors (chemiresistors, field-effect transistors (FETs), electrochemical gas sensors, chemical diodes, and chemicapacitors).