Researchers report an integrated multimodal flexible sensor system comprising a room humidity sensor, a leaf humidity sensor, an optical sensor, and a temperature sensor that can tap into potential physiological health issues of plants. Using stacked ZIS nanosheets as the kernel sensing media, the flexible sensor can not only perceive light illumination at a fast response, but also monitor the humidity with a perdurable steady performance. The researchers measured in real time three primary abiotic stresses - i.e. humidity, light and temperature - that govern the transpiration of plants are measured without signal cross-coupling effect.
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