Gas Phase Sensing of Alcohols by Metal Organic Framework-Polymer Composite Materials.

ABSTRACT: Affinity layers play a crucial role in chemical sensors for the selective and sensitive detection of analytes. Here, we report the use of composite affinity layers containing Metal Organic Frameworks (MOFs) in a polymeric matrix for sensing purposes. Nanoparticles of NH₂-MIL-53(Al) were dispersed in a Matrimid polymer matrix with different weight ratios (0-100 wt %) and drop-casted on planar capacitive transducer devices. These coated devices were electrically analyzed using impedance spectroscopy and investigated for their sensing properties toward the detection of a series of alcohols and water in the gas phase. The measurements indicated a reversible and reproducible response in all devices. Sensor devices containing 40 wt % NH₂-MIL-53(Al) in Matrimid showed a maxi

SUBMITTER: Sachdeva S 

PROVIDER: S-EPMC5532685 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature