Recently,hardware based bionic perceptual systems have attracted great attention.However,most reported bionic perceptual systems only have a single perceptual function,making it difficult to mimic multi-sensory percep...Recently,hardware based bionic perceptual systems have attracted great attention.However,most reported bionic perceptual systems only have a single perceptual function,making it difficult to mimic multi-sensory perception process in real environments.Here,a bionic tactile-visualmorphic system(BTVMS)is proposed by integrating an indium gallium zinc oxide(IGZO)photoelectronic neuromorphic transistor(PNT)and a PDMS-ZnO based triboelectric nanogenerator(TENG).The IGZO-PNT exhibits stable electrical performance and can sensitively perceive optical stimuli.The PDMS-ZnO based TENG can convert mechanical stimuli into electrical signals,exhibiting a high sensitivity of~0.75 V/kPa and good durability.The proposed BTVMS exhibits information encryption and decryption functions based on Morse code strategy.In addition,it can simulate the tactile and visual dual cognition behavior of brain.Thus,posttraumatic stress disorder behavior has been mimicked successfully.The present BTVMS provides a valuable idea for intelligent prosthetics and humanoid robots to achieve efficient bionic visual and tactile perceptions.展开更多
基金the support by the National Natural Science Foundation of China(Nos.U22A2075 and 51972316)Ningbo Key Scientific and Technological Project(No.2021Z116).
文摘Recently,hardware based bionic perceptual systems have attracted great attention.However,most reported bionic perceptual systems only have a single perceptual function,making it difficult to mimic multi-sensory perception process in real environments.Here,a bionic tactile-visualmorphic system(BTVMS)is proposed by integrating an indium gallium zinc oxide(IGZO)photoelectronic neuromorphic transistor(PNT)and a PDMS-ZnO based triboelectric nanogenerator(TENG).The IGZO-PNT exhibits stable electrical performance and can sensitively perceive optical stimuli.The PDMS-ZnO based TENG can convert mechanical stimuli into electrical signals,exhibiting a high sensitivity of~0.75 V/kPa and good durability.The proposed BTVMS exhibits information encryption and decryption functions based on Morse code strategy.In addition,it can simulate the tactile and visual dual cognition behavior of brain.Thus,posttraumatic stress disorder behavior has been mimicked successfully.The present BTVMS provides a valuable idea for intelligent prosthetics and humanoid robots to achieve efficient bionic visual and tactile perceptions.
