期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 9, 期 13, 页码 8317-8324出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ta00820j
关键词
-
资金
- National Natural Science Foundation of China [51973122]
This study reports foldable and flexible TE materials based on Xuan paper and PEDOT:PSS, which exhibit outstanding mechanical and TE properties and can be easily processed into various shapes.
Highly foldable and flexible energy materials are a requisite for actual applications in self-powered wearable electronics and complex environments. Unfortunately, thermoelectric (TE) materials showing excellent foldability and flexibility under external mechanical stresses have rarely been reported so far. Herein, foldable and flexible TE materials based on Chinese traditional Xuan paper (a bio-based material) and commercialized conducting polymer of poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) are reported. With a facile dip-coating and subsequent drying process, PEDOT:PSS is wrapped on the surfaces of cellulose fibers of Xuan paper via hydrogen-bond interactions. The resulting composite films exhibit outstanding mechanical and decent TE properties. In particular, the PEDOT:PSS/Xuan paper composite films exhibit excellent foldability and flexibility, and can be easily processed into various shapes with no distinct damage to their electrical conductivity and TE performances. This work paves the way for imparting TE performance to insulating paper-based materials, and the unique foldability may widen the TE applications in complex and extreme environments.
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