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Drawing inspiration from the Merkel cells found on human fingertips, a research team at the Chongqing Institute of Green and Intelligent Technology, affiliated with the Chinese Academy of Sciences, has developed a groundbreaking conformal graphene nanowall-hexagonal boron nitride-graphene (CGNWs-hBN-Gr) quasi-two-dimensional vertical tunneling tactile sensor. This innovative sensor employs hexagonal boron nitride (hBN) tunneling channels to emulate the biomechanically gated ion channels of PZ proteins. This approach enables macroscopic control of the tunneling current between atomic layers via a micro-nano multi-scale force-sensitive interface. This sophisticated design not only elevates the sensor's sensitivity but also significantly minimizes noise levels.
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