High-sensitivity and ultra-broad linear working region flexible piezoresistive pressure sensors based on PDMS/CNT/TPU
Source abstract
Abstract
Designing and fabricating flexible piezoresistive pressure sensors (FPPS) with simultaneous high sensitivity and a broad linear working region remains a considerable challenge. In this work, thermoplastic polyurethane (TPU) fiber films were first prepared via electrospinning. Then, the CNTs were anchored onto the surface of a TPU fiber films via ultrasonication as the driving force. Finally, polydimethylsiloxane (PDMS) was used to modify the CNT/TPU and obtain the PDMS/CNT/TPU composite materials. The electrical and mechanical properties of CNT/TPU and PDMS/CNT/TPU were studied. The sensor performances of FPPS based on CNT/TPU and PDMS/CNT/TPU were analyzed and compared. These results prove that the sensitivity of FPPS is significantly improved after the PDMS modification. The optimized PDMS/CNT/TPU FPPS has a sensitivity of 1.43 kPa −1 in a ultra-broad linear working region of 0–2500 kPa and cycling stability over 6000 cycles. FPPS has been successfully used to monitor physiological signals and human movements, which indicates great potential for wearable electronics and human-machine interfaces.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Advanced MEMS and NEMS Technologies · Gas Sensing Nanomaterials and Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (50)
Show source-provided references
1. Wearable pressure sensors for pulse wave monitoring
2. Friction for flexible pressure sensors and arrays on polymers
3. Superelastic carbon aerogels with anisotropic and hierarchically-enhanced cellular structure for wearable piezoresistive sensors10.1016/j.jcis.2024.04.011 ↗
4. Switch mode capacitive pressure sensors10.1038/s41378-022-00469-w ↗
5. Digital twin-driven intelligent production line for automotive mems pressure sensors10.1016/j.aei.2022.101779 ↗
6. Recent advances in conductive hydrogels: classifications, properties, and applications10.1039/D2CS00173J ↗
7. Biomimetic, biocompatible and robust silk fibroin-mxene film with stable 3d cross-link structure for flexible pressure sensors10.1016/j.nanoen.2020.105252 ↗
8. Study of flexible piezoresistive sensors based on the hierarchical porous structure CNT /PDMS composite materials10.1016/j.jallcom.2022.165503 ↗
9. Graphene-based wearable piezoresistive physical sensors10.1016/j.mattod.2019.12.004 ↗
10. A graphene flexible pressure sensor based on a fabric-like groove structure for high-resolution tactile imaging10.1016/j.cej.2024.153281 ↗
11. Flexible tactile sensor array for distributed tactile sensing and slip detection in robotic hand grasping10.1016/j.sna.2019.07.036 ↗
12. Recognition of surface texture with wearable tactile sensor array: a pilot study10.1016/j.sna.2020.111972 ↗
13. 3D graphene aerogel sphere-based flexible sensors for healthcare applications10.1016/j.sna.2020.112144 ↗
14. A wearable breathable pressure sensor from metal-organic framework derived nanocomposites for highly sensitive broad-range healthcare monitoring10.1016/j.nanoen.2020.104560 ↗
15. Piezoresistive pressure sensor based on a conductive 3D sponge network for motion sensing and human−machine interface10.1021/acsami.2c18203 ↗
16. Controllable graphene wrinkle for a high-performance flexible pressure sensor10.1021/acsami.0c22784 ↗
17. Borophene pressure sensing for electronic skin and human-machine interface10.1016/j.nanoen.2022.107189 ↗
18. Ultra-sensitive and durable strain sensor with sandwich structure and excellent anti-interference ability for wearable electronic skins10.1016/j.compscitech.2020.108448 ↗
19. Flexible piezoresistive sensor patch enabling ultralow power cuffless blood pressure measurement10.1002/adfm.201504560 ↗
20. Hierarchical conducting networks constructed as resistive strain sensors for personal healthcare monitoring and robotic arm control10.1016/j.cej.2024.151840 ↗
21. A high-performance flexible pressure sensor realized by overhanging cobweb-like structure on a micropost array10.1021/acsami.0c12369 ↗
22. Conductive polymer nanocomposites for stretchable electronics: material selection, design, and applications10.1021/acsami.1c15014 ↗
23. Stretchable electronics based on PDMS substrates10.1002/adma.202003155 ↗
24. Wearable strain sensors based on a porous polydimethylsiloxane hybrid with carbon nanotubes and graphene10.1021/acsami.0c22823 ↗
25. Highly sensitive and stretchable Mxene/CNTs/TPU composite strain sensor with bilayer conductive structure for human motion detection10.1021/acsami.1c23567 ↗
26. Highly stretchable and durable strain sensor based on carbon nanotubes decorated thermoplastic polyurethane fibrous network with aligned wave-like structure10.1016/j.cej.2018.12.025 ↗
27. Flexible piezoresistive pressure sensor based on electrospun rough polyurethane nanofibers film for human motion monitoring10.3390/nano12040723 ↗
28. Surface engineering of a 3D topological network for ultrasensitive piezoresistive pressure sensors10.1021/acsami.0c11658 ↗
29. High-performance flexible pressure sensor based on controllable hierarchical microstructures by laser scribing for wearable electronics10.1002/admt.202100122 ↗
30. Dual-layer all-textile flexible pressure sensor coupled by silver nanowires with Ti3C2-Mxene for monitoring athletic motion during sports and transmitting information10.1021/acsami.3c08874 ↗
31. Highly conductive fiber with design of dual conductive Ag/CB layers for ultrasensitive and wide-range strain sensing
32. Iinnovative fabrication of ultrasensitive and durable graphene fiber aerogel for flexible pressure sensors10.1016/j.carbon.2024.119484 ↗
33. graphene decorated carbonized cellulose fabric for physiological signal monitoring and energy harvesting10.1039/D0TA02221G ↗
34. Mxene composite and coaxial fibers with high stretchability and conductivity for wearable strain sensing textiles10.1002/adfm.201910504 ↗
35. Wearable Mxene nanocomposites-based strain sensor with tile-like stacked hierarchical microstructure for broad-range ultrasensitive sensing10.1016/j.nanoen.2020.105187 ↗
36. In situ fabrication of porous polymer films embedded with perovskite nanocrystals for flexible superhydrophobic piezoresistive sensors10.1016/j.jcis.2024.04.140 ↗
37. Fabrication of lead-free perovskite MASnBrI2 nanocrystals-embedded polymer composites for flexible strain sensors10.1016/j.ceramint.2023.11.375 ↗
38. A flexible piezoresistive pressure sensor based on a perovskite MAPbBr3 nanocrystal-embedded polymer composite10.1039/D4TC01439A ↗
39. Effects of service condition on the performance of conductive polymer composites for flexible strain sensors10.1016/j.sna.2020.112494 ↗
40. Stretchable conductive polymers and composites based on PEDOT and PEDOT:PPS10.1002/adma.201806133 ↗
41. All-nanofiber network structure for ultrasensitive piezoresistive pressure sensors10.1021/acsami.1c24257 ↗
42. High-performance pressure/strain sensors featuring a conductive network constructed from C-MWCNTs and nanospheres for human activity monitoring10.1039/D2TC01797K ↗
43. A linear and large-range pressure sensor based on hierarchical structural SnO2@carbon nanotubes/polyurethane sponge10.1016/j.ceramint.2023.07.009 ↗
44. Crack-across-pore enabled high performance flexible pressure sensors for deep neural network enhanced sensing and human action recognition10.1021/acsnano.2c02609 ↗
45. Biocompatible polylactic acid/wool keratin/carbon nanotubes fibers via electrospinning as a flexible pressure electronic sensor
46. Flexible pressure sensors with combined spraying and self-diffusion of carbon nanotubes10.1021/acsami.2c12240 ↗
47. Batch fabrication of paper-based waterproof flexible pressure sensors enabled by roll-to-roll lamination10.1021/acsami.3c09587 ↗
48. Ion gradient induced self-powered flexible pressure sensor10.1016/j.cej.2024.151660 ↗
49. Highly sensitive and stable 3D flexible pressure sensor based on carbon black and multi-walled carbon nanotubes prepared by hydrothermal method10.1016/j.coco.2022.101178 ↗
50. Highly stretchable, anti-corrosive and wearable strain sensors based on the PDMS/CNTs decorated elastomer nanofiber composite10.1016/j.cej.2019.01.014 ↗