articleNano LettersJan 7, 2022Closed access

Integration of Janus Wettability and Heat Conduction in Hierarchically Designed Textiles for All-Day Personal Radiative Cooling

DMDongyang MiaoNCNingbo ChengXWXianfeng WangJYJianyong YuBDBin Ding

Donghua University

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Abstract

Personal cooling textiles are a promising energy-free pathway for confronting serious heat-related public health threats and improving industrial worker productivity. Current cooling strategies mainly focus on passive daytime radiation, and there is a lack of research on all-day cooling methods which utilize synergistic radiative, conductive, and evaporative heat dissipation. Herein, we demonstrate a hierarchical polyurethane/silicon nitride fibrous membrane with Janus wettability fabricated via a scalable electrospinning method followed by single-side hydrophilic plasma treatment. High angular-dependent solar reflectance (91%) and human body infrared emittance (93%) allow for a temperature drop of ∼21.9 °C…

Citation impact

239
total citations
FWCI
25.25
Percentile
100%
References
45
Citations per year

Authors

5

Topics & keywords

Topics
Keywords
  • Janus
  • Materials science
  • Wetting
  • Radiative cooling
  • Thermal conduction
  • Nanotechnology
  • Passive cooling
  • Textile
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