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Enhanced sensing and electrical performance of hierarchical porous ionic polymer-metal nanocomposite via minimizing cracks in electrode

Title
Enhanced sensing and electrical performance of hierarchical porous ionic polymer-metal nanocomposite via minimizing cracks in electrode
Authors
Panwar, VarijAnoop, GopinathanGaur, Shiv ShankarPark, Sukho
DGIST Authors
Panwar, Varij; Anoop, Gopinathan; Gaur, Shiv Shankar; Park, Sukho
Issue Date
2022-01
Citation
Journal of Colloid and Interface Science, 606, 837-847
Type
Article
Author Keywords
Crack-minimized metal electrodeHierarchical porousIonic polymerIonic polymer-metal nanocomposites
Keywords
FABRICATIONMEMBRANESACTUATORLIQUID
ISSN
0021-9797
Abstract
High-performance foldable metal-coated ionic polymer-metal nanocomposites (IPMNCs) with crack minimized electrode are desired for wearable electronics, energy harvesting devices, tactile sensors, structural health monitors, humidity sensors, and supercapacitor devices. However, the IPMNC shows the cracked structure that seriously decreases the performance of IPMNCs for sensors and actuators applications. To overcome the issue of the cracked metal electrode, here we propose a metal-coated hierarchical porous structured IPMNC via minimizing the cracks in the Platinum (Pt) electrode using attachment of poly(2-acrylamide-2-methyl-1-propane-sulfonic acid) (PAMPS) in poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE))/polyvinylpyrrolidone (PVP) blend. The crack-minimized Pt electrode deposition on PAMPS attached P(VDF-TrFE)/PVP-based IPMNCs showed enhanced electrical and sensing signals compared to the Nafion, ionic liquid, and polystyrene sulphonic acid-based IPMNCs. The developed IPMNCs with an optimized composition depict stable sensing signals up to 10,000 cycles. The hierarchical porous structure and the crack-minimized metal electrode on the P(VDF-TrFE)/PVP/PAMPS IPMNC can be utilized in various attractive applications such as energy harvesting, wearable electronics, humidity sensor, pulse, braille recognition, catalyst supports, bio-interfacing, and sensors. © 2021 Elsevier Inc.
URI
http://hdl.handle.net/20.500.11750/15605
DOI
10.1016/j.jcis.2021.08.074
Publisher
Academic Press
Related Researcher
  • Author Park, Sukho Multiscale Biomedical Robotics Laboratory
  • Research Interests Biomedical Micro/Nano Robotics; Biomedical Devices and Instruments
Files:
There are no files associated with this item.
Collection:
Department of Robotics and Mechatronics EngineeringMultiscale Biomedical Robotics Laboratory1. Journal Articles


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