Breathable Dual‐Mode Leather‐Like Nanotextile for Efficient Daytime Radiative Cooling and Heating

Author:

Cheng Ningbo12,Wang Zhaohui1,Lin Yanyan3,Li Xueqin3,Zhang Yufei3,Ding Chengfeng3,Wang Chao3,Tan Jing3,Sun Feifei3,Wang Xianfeng23ORCID,Yu Jianyong2,Ding Bin2ORCID

Affiliation:

1. Shanghai Frontiers Science Research Center of Advanced Textiles College of Fashion and Design Donghua University Shanghai 200051 China

2. Innovation Center for Textile Science and Technology Donghua University Shanghai 201620 China

3. Shanghai Frontiers Science Research Center of Advanced Textiles College of Textiles Donghua University Shanghai 201620 China

Abstract

AbstractIncorporating passive radiative cooling and heating into personal thermal management has attracted tremendous attention. However, most current thermal management materials are usually monofunctional with a narrow temperature regulation range, and lack breathability, softness, and stretchability, resulting in a poor wearer experience and limited application scenarios. Herein, a breathable dual‐mode leather‐like nanotextile (LNT) with asymmetrical wrinkle photonic microstructures and Janus wettability for highly efficient personal thermal management is developed via a one‐step electrospinning technique. The LNT is synthesized by self‐bonding a hydrophilic cooling layer with welding fiber networks onto a hydrophobic photothermal layer, constructing bilayer wrinkle structures that offer remarkable optical properties, a wetting gradient, and unique textures. The resultant LNT exhibits efficient cooling capacity (22.0 °C) and heating capacity (22.1 °C) under sunlight, expanding the thermal management zone (28.3 °C wider than typical textiles). Additionally, it possesses favorable breathability, softness, stretchability, and sweat‐wicking capability. Actual wearing tests demonstrate that the LNT can provide a comfortable microenvironment for the human body (1.6–8.0 °C cooler and 1.0–7.1 °C warmer than typical textiles) in changing weather conditions. Such a wearable dual‐mode LNT presents great potential for personal thermal comfort and opens up new possibilities for all‐weather smart clothing.

Funder

National Natural Science Foundation of China

Program of Shanghai Academic Research Leader

Publisher

Wiley

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