Please use this identifier to cite or link to this item:
https://hdl.handle.net/11147/11820
Title: | Multispectral graphene-based electro-optical surfaces with reversible tunability from visible to microwave wavelengths | Authors: | Ergoktas, M. Said Bakan, Gökhan Kovalska, Evgeniya Le Fevre, Lewis W. Fields, Richard P. Steiner, Pietro Yu, Xiaoxiao Balcı, Sinan |
Keywords: | Graphene devices | Issue Date: | 2021 | Publisher: | Nature Research | Abstract: | Optical materials with colour changing abilities have been explored for use in display devices(1), smart windows(2,3) or in the modulation of visual appearance(4-6). The efficiency of these materials, however, has strong wavelength dependence, which limits their functionality to a specific spectral range. Here, we report graphene-based electro-optical devices with unprecedented optical tunability covering the entire electromagnetic spectrum from the visible to microwave. We achieve this non-volatile and reversible tunability by electro-intercalation of lithium into graphene layers in an optically accessible device structure. The unique colour changing capability, together with area-selective intercalation, inspires the fabrication of new multispectral devices, including display devices and electro-optical camouflage coating. We anticipate that these results provide realistic approaches for programmable smart optical surfaces with a potential utility in many scientific and engineering fields such as active plasmonics and adaptive thermal management. | URI: | https://doi.org/10.1038/s41566-021-00791-1 https://hdl.handle.net/11147/11820 |
ISSN: | 1749-4885 1749-4893 |
Appears in Collections: | Photonics / Fotonik PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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s41566-021-00791-1.pdf | 2.53 MB | Adobe PDF | View/Open |
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