Fig. 4: Flexible gas and multifunctional sensors based on starch films.
a Possible conformation of amylose-f-CNT and starch-f-CNT sensors and b their selectivity for different vapors. Reproduced with permission97. Copyright 2012, Elsevier. c Illustration of the layer-by-layer (LbL) deposition, photochemical reduction, and hydrogen bonding of the starch-GO sensor on quartz substrate. Reproduced with permission98. Copyright 2020, American Chemical Society. d The preparation procedure and e photograph of a multimodal flexible sensor on starch film. f Real-time current signal for monitoring of wrist bending with different angles. g The sensor matrix for detection of spatial pressure. Reproduced with permission37. Copyright 2020, American Chemical Society.
