电子科技大学：《敏感材料与传感器 Sensitive Materials and Sensors》课程教学资源（课件讲稿）第九章 专题讲座 第一节 柔性电子学 Flexible Electronics

柔性电子学 Flexible Electronics

柔 性 电 子 学 Flexible Electronics

Flexible Electronics 总计 2014年至今 总计 2014年至今 总计 2014年至今 引用 31724 19855 引用 90842 56500 引用 117504 72726 n指数 77 59 h指数 153 117 h指数 169 138 i10指数 224 152 i10指数 537 453 i10指数 797 691 3900 12000 15000 2925 9000 11250 1950 6000 7500 975 3000 3750 2012201320142015201620172018201g 0 20122013201420152016201720182019 0 20122013201420152016201720182019 0 Takao Someya Zhenan Bao John A.Rogers The University of Tokyo,since 2002 Stanford University,since 2004 Northwestern University,since 2016 Bell Laboratories:2001-2002 Bell Laboratories:1995-2004 Bell Laboratories:1997-2002

Takao Someya The University of Tokyo, since 2002 Bell Laboratories: 2001-2002 Zhenan Bao Stanford University, since 2004 Bell Laboratories: 1995-2004 John A. Rogers Northwestern University, since 2016 Bell Laboratories: 1997- 2002 Flexible Electronics

研究热点 >可拉伸 衣物：50-80% 柔性显示：弯曲半径50% 心脏：20-35% 大脑：10% >自愈合 氢键，金属-配体配位，π-π相互作用，静电相互作用 >可降解 天然材料（如丝绸、纤维素和明胶） 合成聚合物（如聚(1,8-辛二醇-柠檬酸盐等） Acc.Chem.Res.2018,51,1033-1045

氢键，金属-配体配位，π-π相互作用，静电相互作用 Acc. Chem. Res. 2018, 51, 1033−1045 ➢ 可拉伸 ➢ 自愈合 ➢ 可降解 研究热点 IT教育培训行业概述 衣物：50-80% 柔性显示：弯曲半径＜1mm，应变耐力＞50% 心脏：20-35% 大脑：10% 天然材料(如丝绸、纤维素和明胶） 合成聚合物（如聚(1,8-辛二醇-柠檬酸盐等)

Soft Electronics Hydrogel Liquid metal Wave/wrinkle Two strategies: Island-bridge 。 Materials innovation,by developing novel materials that are flexible in single or aggregated Polymer forms; Structural design,by making nonstretchable materials into specific structures that absorbs Soft Nano-materia electronics externally applied strain without fracturing. ructu Advanced materials include hydrogels,liquid metals,conductive polymers,and nanomaterials Structural designs commonly used in soft electronics include waves/wrinkles,islands- bridges,textiles,origami,kirigami,cracks,and 7 interlocks. Electronics: from rigid to sof Adv.Mater:2018,30,1801368

Two strategies: • Materials innovation, by developing novel materials that are flexible in single or aggregated forms; • Structural design, by making nonstretchable materials into specific structures that absorbs externally applied strain without fracturing. ✓ Advanced materials include hydrogels, liquid metals, conductive polymers, and nanomaterials. ✓ Structural designs commonly used in soft electronics include waves/wrinkles, islands– bridges, textiles, origami, kirigami, cracks, and interlocks. Soft Electronics Adv. Mater. 2018, 30, 1801368

9s6 nature ARTICLES electronics https:/do1,org/10.1038/h41928-018-0116-y Three-dimensional integrated stretchable electronics Zhenlong Huang125,Yifei Hao139,Yang Lis,Hongjie Hu4,Chonghe Wang',Akihiro Nomoto', Taisong Pan2,Yue Gu4,Yimu Chen',Tianjiao Zhang',Weixin Li,Yusheng Lei',NamHeon Kim', Chunfeng Wang15,Lin Zhang',Jeremy W.Wards,Ayden Maralani,Xiaoshi Li,Michael F.Durstocks, Albert Pisano47,Yuan Lin2 and Sheng Xuv478* Stretchable electronics is an emerging technology that creates devices with the ability to conform to nonplanar and dynamic surfaces such as the human body.Current stretchable configurations are constrained to single-layer designs due to limited material processing capabilities in soft electronic systems.Here we report a framework for engineering three-dimensional inte- grated stretchable electronics by combining strategies in material design and advanced microfabrication.Our three-dimen- sional devices are built layer by layer through transfer printing pre-designed stretchable circuits on elastomers and creating vertical interconnect accesses using laser ablation and controlled soldering.Our approach enables a higher integration density on stretchable substrates than single-layer approaches and allows new functionalities that would be difficult to implement with conventional single-layer designs.Using this engineering framework,we create a stretchable human-machine interface testbed that is based on a four-layer design and offers eight-channel sensing and Bluetooth data communication capabilities. Nature Electronics,2018,1,473-480

Nature Electronics, 2018, 1, 473–480

b Top view 4th layer cm 3rd layer Twist Antenna e状」 Bodaaa cm 5 Poke Extemal contact (EP) 1st layer enso Extemal contacts (power) 1 cm mal contact (EP) 印制电路板(printed circuit board,PCB) Nature Electronics,2018,1,473-480

印制电路板（ Nature Electronics, 2018, 1, 473–480 printed circuit board, PCB）

←2 nd layor Robust VIA bonding X ←1sye 100um 100μm Stretch 35% Confined Uniaxial Highly stretching deformed Nature Electronics,2018,1,473-480

Nature Electronics, 2018, 1, 473–480

a b With soft EP electrodes 0.24 31.4 d 0.12 Respiration Skin Temp Ax sac光 Static 0.20 0.08 6 31.2 Rest 0.16 0.04 呼吸 31.0 00d 温度 加膜和角速度 0.12 18,19202122 einjejedwe 30.8 Gx 0.08 30.6 0.04 M 30.4 G 1 cm 0.5cm 0.00 30.2 Exercise 10 20 30 40 0 20 4060 80 100 10 15 20 Time (s) Time (s) Time(s) e g 4 EMG 240N 1.0 609 EOG 1.6 ECG 025015 EEG 21 309 2 80 0.8 (AW) 1530.609012d50 0.5 304 609 60 309 0 0.0 0.0 10 0° 09 -2 0.5 30 0.8 Raw data RMS data -60 -1. -1.6 0 50 100 150 200 0 10 15 20 020 406080 100 Time (s) Time (s) Time(s】 肌电图 眼电描记 心绳幽 脑电图

呼吸 温度 加速度和角速度 肌电图 眼电描记 心电图 脑电图