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The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

A 90-nm-thick graphene metamaterial for strong and extremely broadband absorption of unpolarized light

Open access
Lin, Han, Sturmberg, Björn C. P., Lin, Keng-Te, Yang, Yunyi, Zheng, Xiaorui, Chong, Teck K., de Sterke, C. Martijn, Jia, Baohua·2019·Nature Photonics

Abstract

Broadband strong light absorption of unpolarized light over a wide range of angles in a large-area ultrathin film is critical for applications such as photovoltaics, photodetectors, thermal emitters and optical modulators. Despite long-standing efforts in design and fabrication, it has been challenging to achieve all these desired properties simultaneously. We experimentally demonstrate a 12.5 cm2, 90-nm-thick graphene metamaterial with approximately 85% absorptivity of unpolarized, visible and near-infrared light covering almost the entire solar spectrum (300–2,500 nm). The metamaterial consists of alternating graphene and dielectric layers; a grating couples the light into waveguide modes to achieve broadband absorption over incident angles up to 60°. The very broad spectral and angular responses of the absorber are ideal for solar thermal applications, as we illustrate by showing heating to 160 °C in natural sunlight. These devices open a novel approach to applications of strongly absorbing large-area photonic devices based on two-dimensional materials.Eighty-five per cent absorptivity of unpolarized light over the wavelength range 300–2,500 nm is realized in a 90-nm-thick, 12.5 cm2 metamaterial.

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Metadata

Authors
Lin, H., Sturmberg, B. C. P., Lin, K.-T., Yang, Y., Zheng, X., Chong, T. K., de Sterke, C. M., & Jia, B.
Venue
Nature Photonics
Published
2019-03-18
Volume
13
Issue
4
Pages
270-276
ISSN
  • 1749-4885 (ISSN-L)
  • 1749-4893
OpenAlex
W2921074188
Cited by
495
References
3
FWCI
20.01
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: A 90-nm-thick graphene metamaterial for strong and extremely broadband absorption of unpolarized light. https://app.cochat.ai/papers/10.1038/s41566-019-0389-3
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Lin, H., Sturmberg, B. C. P., Lin, K.-T., Yang, Y., Zheng, X., Chong, T. K., de Sterke, C. M., & Jia, B. (2019). A 90-nm-thick graphene metamaterial for strong and extremely broadband absorption of unpolarized light. Nature Photonics. https://doi.org/10.1038/s41566-019-0389-3

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