Gas sensitivities of solvent-functionalized CNTs to volatile organic compounds

In this paper, solvent-functionalized CNTs are coated on mass-sensitive quartz crystal microbalance (QCM) devices to study their gas-sensing properties for volatile organic compounds (VOCs) at room temperature. The results indicate that different solvent-functionalized CNTs under the same conditions have the dissimilar response and similar VOCs to the polarity of the solvent show better gas-sensing properties such as high sensitivity, good repeatability and reversibility. This has a certain significance to improve the selectivity of CNT based sensors.