Issue

Vol. 18 (2026)

Multifaceted Janus Textile Simultaneously Achieving Self-Sustainable Thermal Management, Perception, and Protection

https://doi.org/10.1007/s40820-025-02030-6
Jialong Chai
State Key Laboratory of Advanced Equipment and Technology for Metal Forming, Shandong University, Jinan 250061, Shandong, People’s Republic of China
Guilong Wang
State Key Laboratory of Advanced Equipment and Technology for Metal Forming, Shandong University, Jinan 250061, Shandong, People’s Republic of China
Runze Shao
State Key Laboratory of Advanced Equipment and Technology for Metal Forming, Shandong University, Jinan 250061, Shandong, People’s Republic of China
Lin Ni
State Key Laboratory of Advanced Equipment and Technology for Metal Forming, Shandong University, Jinan 250061, Shandong, People’s Republic of China
Guoqun Zhao
State Key Laboratory of Advanced Equipment and Technology for Metal Forming, Shandong University, Jinan 250061, Shandong, People’s Republic of China
Jintu Fan
School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong 999077, People’s Republic of China

Corresponding Author: Guilong Wang

guilong@sdu.edu.cn

Nano-Micro Letters, Vol. 18 (2026), Article Number: 205

Abstract

The integration of personal thermal management, perception, protection, and comfort is essential for the development for next-generation textiles capable of performing in complex environments. Janus-designed textiles represent a promising route to this integration, offering adaptive dual-functionality. However, most current designs are limited to single-purpose applications, restricting their effectiveness in truly multifunctional scenarios. Here, we present a multifaceted Janus (X-Janus) textile that overcomes these limitations by combining innovative microporous polytetrafluoroethylene fibers with multidimensional nano- to microscale fibrils and MXene-coated carbon fabric. The X-Janus textile delivers multiple energy-independent functionalities: a spectral Janus design that enables adaptive thermal management through switchable radiative cooling or warming; an electrical Janus design that provides self-powered sensing and energy harvesting; and a wetting Janus design that ensures wearing comfort with waterproofness. Besides, the textile provides comprehensive protection including chemical resistance, electromagnetic interference shielding (56 dB), ultraviolet protection (UPF > 1,500), and flame retardancy. By integrating these advanced features, the X-Janus textile inspires new strategy for self-sustainable textiles, offering scalable solutions for outdoor safety, industrial wearables, and intelligent clothing where multifunctionality and environmental resilience are critical.


Highlights:
1 A shear-induced fibrillation strategy enables the continuous fabrication of microporous polytetrafluoroethylene fibers with nano-micro-fibrils with great porosity and strength.
2 A multifaceted Janus design integrates spectral, electrical, and wetting dualities in one textile, realizing adaptive cooling/heating, self-powered sensing, and waterproof breathability without external energy.
3 Comprehensive protection including electromagnetic interference shielding, UV resistance, flame retardancy, and chemical stability for self-sustainable, multifunctional, and comfortable wearables.

Keywords

Multifunctional textiles Janus structure Personal thermal management Self-powered sensing Protective textile
Chai, Jialong, Guilong Wang, Runze Shao, Lin Ni, Guoqun Zhao, and Jintu Fan. 2026. “Multifaceted Janus Textile Simultaneously Achieving Self-Sustainable Thermal Management, Perception, and Protection”. Nano-Micro Letters 18 (January):205. https://doi.org/10.1007/s40820-025-02030-6.
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