Laser-patterned LP-NC sensors (0.5 x 5 mm with enlarged end electrodes) were realized in a resistive sensor design. The integrated approach includes ink optimization/preparation, filmcasting, and laser-carbonization (Figure ). The precursor ink combines functionalities of pre-carbonized adenine (C5N5H5) as nitrogen-rich precursor, pre-carbonized glucose as foaming agent (and additional carbon source), sodium iodide (NaI) as porogen and polyvinylpyrrolidone (PVP) as film-forming agent (FFA) . Those were dissolved in ethylene glycol (EtGly) and the resulting ink was cast onto flexible polyethyleneterephthalate (PET) substrates of 20 cm 2 by doctor-blade coating. The primary coatings were irradiated with a mid-infrared CO2-laser under different atmospheres (air, N2, or O2) to create the LP-NC sensor strips. The unexposed precursor material was rinsed off the substrates with deionized water. In each batch, 36 gas sensor strips were produced in only 144 s (Figure ). Subsequently, the LP-NC strips were tested as resistive sensor platforms to detect CO2 at room temperature in a gas-flow cell (Figure ). To enhance the sensor response towards CO2, the pre-carbonization parameters, laser parameters, process atmosphere, ink composition, and coating thickness were optimized.