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- Title
Flexible and transparent cellulose-based electrothermal composites for high-performance heaters.
- Authors
Kwon, Goomin; Ko, Youngsang; Lee, Kangyun; Jeon, Youngho; Lee, Suji; Lee, Chanhui; You, Jungmok
- Abstract
With the increase in demand for low-carbon technology, green raw materials, and comfortable heating, academia and industry have paid considerable attention to cellulose-based electrothermal composites. This attention owes to the fact that cellulose is a versatile, abundant, low-cost, and sustainable material with beneficial properties. Here, we develop a novel strategy for fabricating flexible, transparent electrothermal heaters that are composed of both silver nanowire (AgNW)/poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) electrothermal composites and a regenerated cellulose (RC) matrix. The AgNWs were spin-coated onto glass substrates and easily transferred onto an RC surface through the coagulation and regeneration of the cellulose solution. PEDOT:PSS was coated onto the AgNW-coated RC matrix to improve the electrical and electrothermal properties of the film heaters. The PEDOT:PSS/AgNW/RC composite films demonstrated an excellent optical transmittance of 73.8% at 550 nm and a low sheet resistance of 11.2 Ω/sq. These composite heaters also exhibited a rapid heating response, uniform heat distribution, excellent heat generation, and robust structural stability. These electrothermal composites made from earth-abundant, low cost, and recyclable materials have great potential for green, flexible, transparent film heaters.
- Subjects
HEATING; POLYMER electrodes; RECYCLABLE material; STRUCTURAL stability; RAW materials; CELLULOSE
- Publication
Cellulose, 2024, Vol 31, Issue 1, p335
- ISSN
0969-0239
- Publication type
Article
- DOI
10.1007/s10570-023-05665-z