A Moisture-Wicking Passive Radiative Cooling Hierarchical Metafabric
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Abstract
Developing functional textiles with a cooling effect is important for personal comfort in human life and activities. Although existing passive cooling fabrics exhibit promising cooling effects, they do not meet the thermal comfort requirements under many practical conditions. Here, we report a nanofiber membrane-based moisture-wicking passive cooling hierarchical metafabric that couples selective optical cooling and wick-evaporation cooling to achieve efficient temperature and moisture management. The hierarchical metafabric showed high sunlight reflectivity (99.16% in the 0.3-0.76 μm wavelength range and 88.60% in the 0.76-2.5 μm wavelength range), selective infrared emissivity (78.13% in the 8-13 μm…
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251
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Authors
8Topics & keywords
Topics
Keywords
- Emissivity
- Overheating (electricity)
- Materials science
- Passive cooling
- Moisture
- Radiative cooling
- Thermal management of electronic devices and systems
- Humidity
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