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. 2021 Dec 4;14:10. doi: 10.1007/s40820-021-00748-7

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — a Hydrophilicity of the MXene/3D honeycomb fabric. b Absorption spectra of the M-h-fabric and M-p-fabric (sample names: M = MXene, h = honeycomb, p = plain). c Schematic diagram of the reflection process of sunlight on different fabrics. The 2D plain fabric reflects sunlight only once, whereas the 3D honeycomb fabric reflects sunlight multiple times. d Absorption spectra of MXene solutions with different weight concentrations. Inset: Lambert–Beer law absorbance plot for absorption at 808 nm. e IR images of the M-h-fabric and M-p-fabric at incidence angles of 0, 30, 50, and 70°. Inset: Schematic of the incidence angles. f The variations of surface temperature for the M-h-fabric and M-p-fabric under the irradiation of 1 solar intensity. Inset: Schematic of the photothermal conversion of MXene. g–h Thermal conductivity of dry and wet M-h-fabrics. Insets: Representative images taken by the IR microscope