Broadband near-perfect optical absorbers fabricated with complete spherical platinum shells with and without induced symmetry broken cracks using a simple colloidal route

Authors :: Xiaoyu Liu
Ming Fu
Zhengjie Guo
Caixia Li
Zheli Wu
Dawei He
Yongsheng Wang
Source :: Journal of Materials Chemistry C. 11:5337-5347
Publication Year :: 2023
Publisher :: Royal Society of Chemistry (RSC), 2023.
Abstract: Broadband perfect absorbers with an average absorptivity of 96.2% in the 200–1500 nm are proposed. Complete spherical Pt shells with induced cracks are fabricated from monolayer microspheres along with heating using conformal oxide and metal coating.

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