Journal
NANO LETTERS
Volume 20, Issue 7, Pages 5346-5352Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.0c01694
Keywords
Infrared emissivity; graphene; optoelectronics; thermal camouflage; functional textile
Categories
Funding
- European Research Council through ERC [682723]
- EPSRC Doctoral Prize Fellowship [EP/R513131/1]
- European Union's Horizon 2020 research and innovation programme [796640]
- European Union [785219]
- Marie Curie Actions (MSCA) [796640] Funding Source: Marie Curie Actions (MSCA)
- EPSRC [EP/K005014/1, EP/P025021/1, EP/S019367/1] Funding Source: UKRI
- European Research Council (ERC) [682723] Funding Source: European Research Council (ERC)
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Interactive clothing requires sensing and display functionalities to be embedded on textiles. Despite the significant progress of electronic textiles, the integration of optoelectronic materials on fabrics remains as an outstanding challenge. In this Letter, using the electro-optical tunability of graphene, we report adaptive optical textiles with electrically controlled reflectivity and emissivity covering the infrared and near-infrared wavelengths. We achieve electro-optical modulation by reversible intercalation of ions into graphene layers laminated on fabrics. We demonstrate a new class of infrared textile devices including display, yarn, and stretchable devices using natural and synthetic textiles. To show the promise of our approach, we fabricated an active device directly onto a t-shirt, which enables long-wavelength infrared communication via modulation of the thermal radiation from the human body. The results presented here provide complementary technologies which could leverage the ubiquitous use of functional textiles.
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