自供电MXene@Perovskite用于多模态中红外传感和人体信号识别的热电皮肤
Self-Powered MXene@Perovskite Thermoelectric Skin for Multimodal Mid-Infrared Sensing and Human Signal Recognition.
摘要(中文译文)
人体热辐射（8-14 µm）的有效探测对下一代人机交互（HMI）至关重要。然而，传统中红外传感器通常受限于外部供电需求以及解码复杂多模态信号能力有限的问题。在此，我们开发了一种基于VC MXene@CsPbBr异质结构的仿生自供电热电皮肤。通过将VC MXene的局域表面等离激元共振（LSPR）与钙钛矿的光热电效应（PTE）相结合，实现了大气窗口内高效的光热转换和自驱动信号产生。该平台支持多模态信号处理，包括手势识别、摩尔斯电码加密以及实时运动追踪（速度和位移）。此外，该平台实现了对人体脉搏信号（66-100 bpm）的超灵敏、无偏压检测，并展现出高响应度、优异的工作稳定性（>10 000次循环）以及对细微生理动态的精确捕获能力。进一步地，该皮肤与CNN-双向长短期记忆-注意力神经网络集成，实现了95.9%准确率的无声语音识别。本工作建立了协同LSPR-PTE框架，为智能电子皮肤和非接触式人机交互提供了一种可扩展的策略。
Abstract
The effective detection of human thermal radiation (8-14 µm) was critical for next-generation human-machine interactions (HMIs). However, conventional mid-infrared sensors were typically constrained by external power requirements and limited capability in decoding complex multimodal signals. Here, we developed a bio-inspired, self-powered thermoelectric skin based on a VC MXene@CsPbBr heterostructure. By combining the local surface plasmon resonance (LSPR) of VC MXene with the photothermoelectric effect (PTE) of perovskite, efficient photothermal conversion and self-driven signal generation within the atmospheric window were achieved. The platform supported multimodal signal processing, including gesture recognition, Morse code encryption, and real-time motion tracking (velocity and displacement). In addition, ultrasensitive, bias-free detection of human pulse signals (66-100 bpm) was enabled, and high responsivity, excellent operational stability (>10 000 cycles), and precise capture of subtle physiological dynamics were demonstrated. Furthermore, this skin integrated with a CNN-bidirectional long short-term memory-attention neural network realized silent speech recognition with 95.9% accuracy. This work established a synergistic LSPR-PTE framework, offering a scalable strategy for intelligent electronic skins and contactless HMIs.
如何引用
AMA
Qiang Wang, Yinghao Zhao, Xiaoyue Wang, Yiqiang Li, Gen Li, Xiaojuan Cao, et al. Self-Powered MXene@Perovskite Thermoelectric Skin for Multimodal Mid-Infrared Sensing and Human Signal Recognition.. Small (Weinheim an der Bergstrasse, Germany). 2026; doi:10.1002/smll.74340.
APA
Qiang Wang, Yinghao Zhao, Xiaoyue Wang, Yiqiang Li, Gen Li, Xiaojuan Cao, et al (2026). Self-Powered MXene@Perovskite Thermoelectric Skin for Multimodal Mid-Infrared Sensing and Human Signal Recognition.. Small (Weinheim an der Bergstrasse, Germany). https://doi.org/10.1002/smll.74340
GB/T 7714
Qiang Wang, Yinghao Zhao, Xiaoyue Wang, Yiqiang Li, Gen Li, Xiaojuan Cao, et al. Self-Powered MXene@Perovskite Thermoelectric Skin for Multimodal Mid-Infrared Sensing and Human Signal Recognition.[J]. Small (Weinheim an der Bergstrasse, Germany), 2026 doi:10.1002/smll.74340.
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