Flexible and transparent capacitive pressure sensor with patterned microstructured composite rubber dielectric for wearable touch keyboard application
Source abstract
Abstract
对可穿戴电子设备来说, 采用简易制备技术得到具有高灵敏度、 快速响应的压力传感器至关重要. 本文成功地研制了一种基于特殊微结构银纳米线/PDMS复合电介质层材料的柔性透明电容式压力传感器. 与采用纯PDMS平面结构的电介质层器件相比, 有微结构的传感器具有更高的灵敏度(0.831 kPa−1, <0.5 kPa), 更低的检测范围, 更好的稳定性和耐久性. 本文对导电填料含量和微结构的增强传感机理也进行了讨论. 此外, 还研制了一个5×5的传感器阵列并用于柔性透明的可穿戴式触摸键盘系统. 研究结果表明所研制的压力传感器在未来的电子皮肤领域将具有良好的应用前景.
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Research context
OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Tactile and Sensory Interactions · Conducting polymers and applications
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References (32)
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1. Lou Z, Chen S, Wang L, et al. Ultrasensitive and ultraflexible eskins with dual functionalities for wearable electronics. Nano Energy, 2017, 38: 28–3510.1016/j.nanoen.2017.05.024 ↗
2. Khan Y, Ostfeld AE, Lochner CM, et al. Monitoring of vital signs with flexible and wearable medical devices. Adv Mater, 2016, 28: 4373–439510.1002/adma.201504366 ↗
3. Hammock ML, Chortos A, Tee BCK, et al. 25th anniversary article: the evolution of electronic skin (e-skin): a brief history, design considerations, and recent progress. Adv Mater, 2013, 25: 5997–603810.1002/adma.201302240 ↗
4. Wang L, Jackman JA, Tan EL, et al. High-performance, flexible electronic skin sensor incorporating natural microcapsule actuators. Nano Energy, 2017, 36: 38–4510.1016/j.nanoen.2017.04.015 ↗
5. Chen S, Lou Z, Chen D, et al. Polymer-enhanced highly stretchable conductive fiber strain sensor used for electronic data gloves. Adv Mater Technol, 2016, 1: 160013610.1002/admt.201600136 ↗
6. Lou Z, Chen S, Wang L, et al. An ultra-sensitive and rapid response speed graphene pressure sensors for electronic skin and health monitoring. Nano Energy, 2016, 23: 7–1410.1016/j.nanoen.2016.02.053 ↗
7. Kim CC, Lee HH, Oh KH, et al. Highly stretchable, transparent ionic touch panel. Science, 2016, 353: 682–68710.1126/science.aaf8810 ↗
8. Lee J, Kwon H, Seo J, et al. Conductive fiber-based ultrasensitive textile pressure sensor for wearable electronics. Adv Mater, 2015, 27: 2433–243910.1002/adma.201500009 ↗
9. Wang L, Jackman JA, Ng WB, et al. Flexible, graphene-coated biocomposite for highly sensitive, real-time molecular detection. Adv Funct Mater, 2016, 26: 8623–863010.1002/adfm.201603550 ↗
10. Wang L, Chen D, Jiang K, et al. New insights and perspectives into biological materials for flexible electronics. Chem Soc Rev, 2017, 46: 6764–681510.1039/C7CS00278E ↗
11. Wang L, Jackman JA, Park JH, et al. A flexible, ultra-sensitive chemical sensor with 3D biomimetic templating for diabetes-related acetone detection. J Mater Chem B, 2017, 5: 4019–402410.1039/C7TB00787F ↗
12. Wang L, Ng WB, Jackman JA, et al. Graphene-functionalized natural microcapsules: modular building blocks for ultrahigh sensitivity bioelectronic platforms. Adv Funct Mater, 2016, 26: 2097–210310.1002/adfm.201504940 ↗
13. Chou HH, Nguyen A, Chortos A, et al. A chameleon-inspired stretchable electronic skin with interactive colour changing controlled by tactile sensing. Nat Commun, 2015, 6: 801110.1038/ncomms9011 ↗
14. Pang C, Koo JH, Nguyen A, et al. Highly skin-conformal microhairy sensor for pulse signal amplification. Adv Mater, 2015, 27: 634–64010.1002/adma.201403807 ↗
15. Lee BY, Kim J, Kim H, et al. Low-cost flexible pressure sensor based on dielectric elastomer film with micro-pores. Sensor Actuat A-Phys, 2016, 240: 103–10910.1016/j.sna.2016.01.037 ↗
16. Chen YS, Hsieh GW, Chen SP, et al. Zinc oxide nanowire-poly (methyl methacrylate) dielectric layers for polymer capacitive pressure sensors. ACS Appl Mater Interfaces, 2015, 7: 45–5010.1021/am505880f ↗
17. Kim SY, Park S, Park HW, et al. Highly sensitive and multimodal all-carbon skin sensors capable of simultaneously detecting tactile and biological stimuli. Adv Mater, 2015, 27: 4178–418510.1002/adma.201501408 ↗
18. Guo X, Huang Y, Cai X, et al. Capacitive wearable tactile sensor based on smart textile substrate with carbon black /silicone rubber composite dielectric. Meas Sci Technol, 2016, 27: 04510510.1088/0957-0233/27/4/045105 ↗
19. Lee D, Lee H, Jeong Y, et al. Highly sensitive, transparent, and durable pressure sensors based on sea-urchin shaped metal nanoparticles. Adv Mater, 2016, 28: 9364–936910.1002/adma.201603526 ↗
20. Li T, Luo H, Qin L, et al. Flexible capacitive tactile sensor based on micropatterned dielectric layer. Small, 2016, 12: 5042–504810.1002/smll.201600760 ↗
21. Tee BCK, Chortos A, Dunn RR, et al. Tunable flexible pressure sensors using microstructured elastomer geometries for intuitive electronics. Adv Funct Mater, 2014, 24: 5427–543410.1002/adfm.201400712 ↗
22. Mannsfeld SCB, Tee BCK, Stoltenberg RM, et al. Highly sensitive flexible pressure sensors with microstructured rubber dielectric layers. Nat Mater, 2010, 9: 859–86410.1038/nmat2834 ↗
23. Zhuo B, Chen S, Zhao M, et al. High sensitivity flexible capacitive pressure sensor using polydimethylsiloxane elastomer dielectric layer micro-structured by 3-D printed mold. IEEE J Electron Devices Soc, 2017, 5: 219–22310.1109/JEDS.2017.2683558 ↗
24. Mi Y, Chan Y, Trau D, et al. Micromolding of PDMS scaffolds and microwells for tissue culture and cell patterning: A new method of microfabrication by the self-assembled micropatterns of diblock copolymer micelles. Polymer, 2006, 47: 5124–513010.1016/j.polymer.2006.04.063 ↗
25. Chen S, Zhuo B, Guo X. Large area one-step facile processing of microstructured elastomeric dielectric film for high sensitivity and durable sensing over wide pressure range. ACS Appl Mater Interfaces, 2016, 8: 20364–2037010.1021/acsami.6b05177 ↗
26. Schwartz G, Tee BCK, Mei J, et al. Flexible polymer transistors with high pressure sensitivity for application in electronic skin and health monitoring. Nat Commun, 2013, 4: 185910.1038/ncomms2832 ↗
27. Pan L, Chortos A, Yu G, et al. An ultra-sensitive resistive pressure sensor based on hollow-sphere microstructure induced elasticity in conducting polymer film. Nat Commun, 2014, 5: 300210.1038/ncomms4002 ↗
28. Boutry CM, Nguyen A, Lawal QO, et al. A sensitive and biodegradable pressure sensor array for cardiovascular monitoring. Adv Mater, 2015, 27: 6954–696110.1002/adma.201502535 ↗
29. Xu J, Wong M, Wong C. Super high dielectric constant carbon black-filled polymer composites as integral capacitor dielectrics. 54th Electronic Components and Technology Conference (IEEE Cat. No.04CH37546), 2004, 1: 536–541
30. Kirkpatrick S. The nature of percolation ‘channels’. Solid State Commun, 1973, 12: 1279–128310.1016/0038-1098(73)90865-X ↗
31. Zallen R. The formation of amorphous solids. In The Physics Of Amorphous Solids. New Jersey: Wiley-VCH, 1983, 1–3210.1002/3527602798 ↗
32. Pecharromán C, Moya JS. Experimental evidence of a giant capacitance in insulator-conductor composites at the percolation threshold. Adv Mater, 2000, 12: 294–29710.1002/(SICI)1521-4095(200002)12:4<294::AID-ADMA294>3.0.CO;2-D ↗