Journal
APPLIED PHYSICS LETTERS
Volume 117, Issue 21, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/5.0029618
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Funding
- National Natural Science Foundation of China [52075557, 51805553]
- Natural Science Foundation of Hunan Province [2018JJ3666]
- Project of State Key Laboratory of High Performance Complex Manufacturing, Central South University [ZZYJKT2019-12]
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Current human body cooling technologies aggravate the energy crisis and cause environmental issues, and an efficient and energy-saving personal comfort cooling technology is critical. Many recent smart cooling textiles involve complex and time-consuming fabrication processes and fail to achieve both comfort drying and cooling functions. Herein, a hydrophobic/superhydrophilic Janus fabric was fabricated rapidly via one-step femtosecond laser direct writing technology, which allowed liquid transport exclusively from the hydrophobic side to the superhydrophilic side at a rapid transport speed. The Janus fabric quickly removed sweat from the skin upon contact with the hydrophobic surface and removed extra heat simultaneously to exhibit a cooling function (about 2 degrees C lower than traditional fabrics). The Janus fabric also kept the skin dry while removing sweat. This study provides a facile technology for the design and manufacture of comfort cooling fabrics and may play a key role in addressing health, resource, and energy-related issues.
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