基于Te-PEDOT:PSS复合热电材料的柔性压力/温度传感系统  

Flexible pressure/temperature sensing system based on Te-PEDOT:PSS composite thermoelectric material

作　　者：杨林 李玥 伏雷 石晓琴[1] 李铁[2,3] 张珽 YANG Lin;LI Yue;FU Lei;SHI XiaoQin;LI Tie;ZHANG Ting(School of Materials Science and Engineering,Nanjing University of Science and Technology,Nanjing 210094,China;i-lab,Nano-X Vacuum Interconnected Workstation,Key Laboratory of Mulifunctional Nanomalterials and Smart Systems,Suzhou Institute of Nano Tech&Nano-Bionics,Chinese Academy of Sciences,Suzhou 215123,China;Gusu Laboratory of Materials,Suzhou 215123,China;Center for Excellence in Brain Science and Intelligence Technology,Chinese Academy of Sciences,Shanghai 200031,China)

机构地区：[1]南京理工大学材料科学与工程学院,南京210094 [2]中国科学院苏州纳米技术与纳米仿生研究所,创新实验室,Nano-X真空互联站,多功能材料与轻巧系统重点实验室,苏州215123 [3]材料科学姑苏实验室,苏州215123 [4]中国科学院脑科学与智能技术卓越创新中心,上海200031

出　　处：《中国科学：技术科学》2023年第4期487-498,共12页Scientia Sinica(Technologica)

基　　金：国家重点研发计划(编号:2020YFB2008501);国家杰出青年科学基金(批准号:62125112);国家自然科学基金(批准号:62071463,62071462,22109173);中国科学院青年促进会(2020320);江苏省基础研究计划面上项目(编号:BK20201195);苏州市重点产业技术创新项目(编号:SYG202029)资助。

摘　　要：随着人工智能技术的快速发展,面向人机交互技术的新型柔性传感器的需求与日俱增.柔性传感器作为智能机械手、仿生假肢手等仿生智能系统获取外界信息的重要媒介,对实现仿生触觉感知能力以及提升系统智能化具有重要意义.当前,如何通过材料与结构设计,研制具有多模态感知能力的柔性触觉传感器,已成为柔性电子领域关键挑战之一.本文采用水热法制备了Te-聚(3,4-亚乙二氧基噻吩)-聚(苯乙烯磺酸)(Te-PEDOT:PSS)复合热电材料.通过将其与三维多孔密胺泡沫骨架复合,并浸涂聚乙烯醇(PVA)薄层进行封装,实现了具有高界面稳定性的复合敏感材料体系可控制备.由此所组装的柔性触觉传感器件兼具Te-PEDOT:PSS的热电性能与三维泡沫电极板的电容性能,实现了压力/温度在接触/非接触模式下的双模态感知能力.进一步将其与智能机械手联用构建了感知反馈系统,对其在触觉感知方面应用性能进行了探索.With the rapid development of artificial intelligence,the demand for new flexible tactile sensors for human-machine interaction technology is increasing sharply.As an essential medium for intelligent bionic systems to obtain external information,such as intelligent manipulators and bionic prosthetic hands,flexible tactile sensors are significant for realizing bionic tactile perception and improving system intelligence.Recently,fabricating multimodal tactile sensors through theoptimal design of functional material and structure has become a key challenge in the field of flexible electronics.Herein,a thermoelectric sensing material composited of Tepoly(3,4-ethylenedioxythiophene)-poly(styrene sulfonic acid)(Te-PEDOT:PSS)was prepared via a hydrothermal method,which was compounded within a three-dimensional porous dense amine foam framework and subsequently coated by a thin polyvinyl alcohol layer for encapsulation.The controllable preparation of sensitive composite materials with high interfacial stability was realized.Thus,the assembled flexible tactile sensor with a thermoelectric effect and capacitance performance can achieve the perception ability of pressure/temperature in contact/noncontact mode,respectively.Further,an intelligent manipulator sensory feedback system is constructed,and its performance in tactile perception is explored.

关 键 词：智能机械手 人机交互 柔性传感器 双模态感知 非接触式 接触式 温度 压力 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] TB34[自动化与计算机技术—控制科学与工程]