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Chemiresistive responses of pristine SG65i (black), P1/SG65i (red), P2/SG65i (green), and P4/SG65i (blue) in response to benzene (left), toluene (middle), and o-xylene (right) in air. Devices were exposed to analyte at 100 ppm in air for 1 min (N ≥ 6).
