Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Subambient daytime radiative cooling textile based on nanoprocessed silk | |
B. Zhu; W. Li; Q. Zhang; D. Li; X. Liu; Y. Wang; N. Xu; Z. Wu; J. Li; X. Li; P. B. Catrysse; W. Xu; S. Fan and J. Zhu | |
2021 | |
发表期刊 | Nature Nanotechnology
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ISSN | 17483387 |
卷号 | 16期号:12页码:1342-1348 |
摘要 | Decreasing energy consumption is critical to sustainable development. Because temperature regulation for human comfort consumes vast amounts of energy, substantial research efforts are currently directed towards developing passive personal thermal management techniques that cool the human body without any energy consumption19. Although various cooling textile designs have been proposed previously, textile-based daytime radiative cooling to a temperature below ambient has not been realized613. Silk, a natural protein fabric produced by moth caterpillars, is famous for its shimmering appearance and its cooling and comforting sensation on skin1417. It has been recently recognized that silk, with its optical properties derived from its hierarchical microstructure, may represent a promising starting point for exploring daytime radiative cooling1821. However, the intrinsic absorption of protein in the ultraviolet region prevents natural silk from achieving net cooling under sunlight. Here we explore the nanoprocessing of silk through a molecular bonding design and scalable coupling reagent-assisted dip-coating method, and demonstrate that nanoprocessed silk can achieve subambient daytime radiative cooling. Under direct sunlight (peak solar irradiance 900 W m2) we observed a temperature of ~3.5 C below ambient (for an ambient temperature of ~35 C) for stand-alone nanoprocessed silks. We also observed a temperature reduction of 8 C for a simulated skin when coated with nanoprocessed silk, compared with natural silk. This subambient daytime radiative cooling of nanoprocessed silk was achieved without compromising its wearability and comfort. This strategy of tailoring natural fabrics through scalable nanoprocessing techniques opens up new pathways to realizing thermoregulatory materials and provides an innovative way to sustainable energy. 2021, The Author(s), under exclusive licence to Springer Nature Limited. |
DOI | 10.1038/s41565-021-00987-0 |
URL | 查看原文 |
收录类别 | SCI ; EI |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ciomp.ac.cn/handle/181722/65665 |
专题 | 中国科学院长春光学精密机械与物理研究所 |
推荐引用方式 GB/T 7714 | B. Zhu,W. Li,Q. Zhang,et al. Subambient daytime radiative cooling textile based on nanoprocessed silk[J]. Nature Nanotechnology,2021,16(12):1342-1348. |
APA | B. Zhu.,W. Li.,Q. Zhang.,D. Li.,X. Liu.,...&S. Fan and J. Zhu.(2021).Subambient daytime radiative cooling textile based on nanoprocessed silk.Nature Nanotechnology,16(12),1342-1348. |
MLA | B. Zhu,et al."Subambient daytime radiative cooling textile based on nanoprocessed silk".Nature Nanotechnology 16.12(2021):1342-1348. |
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