Core-sheath nanofiber radiative cooling film

7.7°C cooler under sunlight

A self-standing ~100 μm film made by coaxial electrospinning, with SiO₂/TiO₂ composite nanoparticles embedded in the fiber sheath, combining high reflectance, high emittance, and flexibility for outdoor personal thermal management.

Weichao, Liu · Weiyang, Guo · Wang, Yang · Song, Lixin · Du, Pingfan · Li, Ni · Xiong, Jie

Applied Thermal Engineering 2024

Specifications

可见光至近红外波段反射率
{'zh': '92', 'en': ''} %
大气透明窗口内发射率
{'zh': '91', 'en': ''} %
断裂伸长率
{'zh': '127.5', 'en': ''} %

Advantages

Temperature 7.7°C lower than cotton fabric under direct solar radiation in summer