Fig. 1: Schematic overview of this study, illustrating the use of a 2D conductive metal-organic frameworks (cMOF) layer atop an ultra-low power micro light-emitting diode (μLED) gas sensor, which is employed as both a gas sensor and an e-nose.
From: Photoactivated conductive MOF thin film arrays on micro-LEDs for chemiresistive gas sensing
a An illustration of the optimized 2D cMOF films for gas sensing, showing variations in film configuration (density and thickness) and composition (conduction layers and catalytic overlayers). b An illustration of optimization process of the light wavelength and intensity of μLED to maximize the gas-sensing capability of the cMOFs (width and spacing of electrodes: 5 μm). c An array of cMOFs composed of different sensors (varying μLED types, light intensities, and cMOF types). d Light-activated cMOF chemiresistive gas sensor array integrated with a deep learning-enabled e-nose system.
