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Type
ArticleKAUST Department
Functional Nanomaterials and Devices Research GroupKAUST Solar Center (KSC)
Material Science and Engineering Program
Physical Science and Engineering (PSE) Division
KAUST Grant Number
OSR-CRG2018-3737Date
2019-01-01Permanent link to this record
http://hdl.handle.net/10754/660080
Metadata
Show full item recordAbstract
With the advent of flexible and wearable electronics and sensors, there is an urgent need to develop energy-harvesting solutions that are compatible with such wearables. However, many of the proposed energy-harvesting solutions lack the necessary mechanical properties, which make them susceptible to damage by repetitive and continuous mechanical stresses, leading to serious degradation in device performance. Developing new energy materials that possess high deformability and self-healability is essential to realize self-powered devices. Herein, a thermoelectric ternary composite is demonstrated that possesses both self-healing and stretchable properties produced via 3D-printing method. The ternary composite films provide stable thermoelectric performance during viscoelastic deformation, up to 35% tensile strain. Importantly, after being completely severed by cutting, the composite films autonomously recover their thermoelectric properties with a rapid response time of around one second. Using this self-healable and solution-processable composite, 3D-printed thermoelectric generators are fabricated, which retain above 85% of their initial power output, even after repetitive cutting and self-healing. This approach represents a significant step in achieving damage-free and truly wearable 3D-printed organic thermoelectrics.Citation
Kee, S., Haque, M. A., Corzo, D., Alshareef, H. N., & Baran, D. (2019). Self-Healing and Stretchable 3D-Printed Organic Thermoelectrics. Advanced Functional Materials, 1905426. doi:10.1002/adfm.201905426Sponsors
D.B. acknowledges KAUST Solar Center Competitive Fund (CCF) for financial support. This publication is based upon work supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award No. OSR-CRG2018-3737. Figures 3d and 4a were created by Ivan Gromicho, Scientific Illustrator at King Abdullah University of Science and Technology (KAUST).Publisher
WileyJournal
Advanced Functional MaterialsAdditional Links
https://onlinelibrary.wiley.com/doi/abs/10.1002/adfm.201905426ae974a485f413a2113503eed53cd6c53
10.1002/adfm.201905426
Scopus Count
Except where otherwise noted, this item's license is described as © 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.