Recently, researcher Jiang Peng, associate researcher Lu Xiaowei, and academician Bao Xinhe from the Thermoelectric Materials and Devices Research Group of the State Key Laboratory of Catalysis Fundamentals, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, developed a flexible wearable long wave infrared photothermal detector. The relevant research results were entitled "Flexible infrared photothermal detectors that achieve non-contact temperature sensing endow electronic skin with temperature warning function" and published in the international academic journal Advanced Materials. Biomimetic touch is the foundation for intelligent robots to perceive external environmental stimuli. In traditional tactile systems, tactile sensors need to physically contact the external environment to obtain temperature information, and cannot predict external stimuli before contact. Developing advanced tactile sensing technology with non-contact temperature sensing capabilities will help bring new experiences to the field of robot interaction perception. Photothermal detector is a type of detector based on the two basic energy conversion processes of photothermal conversion and thermoelectric conversion. It can achieve sensitive detection of long wave infrared radiation (8 microns to 14 microns) without refrigeration, bias voltage, and contact. In this work, the research team built a tellurium based thermoelectric heterojunction thin film on a flexible polyimide substrate with long wave infrared absorption capacity, based on the previous work related to photothermal detectors, and prepared an integrated, flexible, and wearable long wave infrared photothermal detector. (Lai Xin She)
Edit：GuoGuo Responsible editor：FangZhiYou
Source：People.cn
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