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Janus Interface Materials: Reshaping Liquid-to-Vapor Mass Transfer through Asymmetry

Authors: Xiao-Jie Liu; Yu-Ting Huang; Yi-Zhou Chen; Ting Shen; Hao-Cheng Yang; Zhi-Kang Xu

DOI: 10.1007/s40843-026-4313-7Status: Verified Translated Edition
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Key Findings in This Report

• • Janus fabrics achieve a water vapor transmission rate of 1200 g/m²·day, enabling effective sweat management in personal thermal-moisture applications, as shown in Figure 7b. • • Photothermal Janus fabrics exhibit a unidirectional transmission rate of 0.8 mL/min, significantly outperforming conventional fabrics (0.2 mL/min) under identical conditions, as depicted in Figure 7d. • • The temperature-adaptive Janus fabric maintains moisture management performance with a thermal regulation efficiency of 85%, ensuring comfort across varying environmental conditions, as illustrated in Figure 7f. • • Janus fabrics with radiative cooling properties demonstrate a cooling power of 110 W/m², reducing skin temperature by up to 5°C, as shown in Figure 8, highlighting potential for energy-efficient personal cooling.