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Title: On-demand solar and thermal radiation management based on switchable interwoven surfaces
Authors: Ke, Yujie
Li, Yanbin
Wu, Lichen
Wang, Shancheng
Yang, Ronggui
Yin, Jie
Tan, Gang
Long, Yi
Keywords: Engineering::Materials
Issue Date: 2022
Source: Ke, Y., Li, Y., Wu, L., Wang, S., Yang, R., Yin, J., Tan, G. & Long, Y. (2022). On-demand solar and thermal radiation management based on switchable interwoven surfaces. ACS Energy Letters, 7(5), 1758-1763.
Project: RG103/19 
Journal: ACS Energy Letters
Abstract: On-demand and selective regulation of the radiative cooling (long-wave infrared, LWIR) and solar heat gain (ultraviolet-, visible- and near-IR, UV-vis-NIR) of building facades is a grand challenge but essential to decrease energy usage in buildings. Here, we report a reconfigurable interwoven surface that can dynamically switch the overlapping sequence to achieve spectral selectivity and ultrabroadband modulations for windows, walls/roofs with decent spectral modulations, and energy-saving performance. The result surpasses the best reported passive radiative cooling smart windows with a more than doubled visible transmittance (Tlum = 0.50) and LWIR modulation (ΔϵLWIR = 0.57). Our energy-saving samples outperform the commercial building materials across climate zones 2-6. This design principle is scalable and applicable for diverse materials, interwoven structures, and 2D-3D surfaces, which provide a strategy to give programmable heating/cooling modulations in various applications.
ISSN: 2380-8195
DOI: 10.1021/acsenergylett.2c00419
DOI (Related Dataset): 10.21979/N9/067RCH
Schools: School of Materials Science and Engineering 
Rights: © 2022 American Chemical Society. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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