期刊
ACS APPLIED MATERIALS & INTERFACES
卷 10, 期 14, 页码 12042-12050出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b01279
关键词
self-healing materials; superamphiphobicity; electrical conductivity; functional fabric; corrosive resistance
资金
- National Natural Science Foundation of China (NSFC) [21225419]
- National Basic Research Program [2013CB834503]
Electrically conductive fabrics with liquid repellency and corrosive resistance are strongly desirable for wearable displays, biomedical sensors, and so forth. In the present work, highly electrically conductive and healable superamphiphobic cotton fabrics are fabricated by a solution dipping method that involves (NH4)(2)PdCl4-catalyzed electroless deposition of Cu and the subsequent deposition of a mixture of fluorinated-decyl polyhedral oligomeric silsesquioxane (F-POSS) and 1H,1H,2H,2H-perfluorooctyltriethoxysilane (POTS) on cotton fabrics. Because of their superamphiphobicity, the resulting fabrics are self-cleaning and exhibit excellent resistance against corrosive acidic and basic solutions. The as-prepared fabrics have a sheet resistance of similar to 0.33 Omega.sq(-1) and show excellent electromagnetic interference shielding and electrothermal heating ability. Because of the preserved F-POSS and POTS molecules, the fabrics can conveniently and repeatedly restore the loss of superamphiphobicity by applying a low voltage of 1.0 V or heating the fabrics at 135 degrees C to facilitate the migration of the preserved F-POSS and POTS to the surface of cotton fabrics. The integration of healable superamphiphobicity into the Cu-coated fabrics generates multiple functional cotton fabrics with excellent conductivity, electromagnetic interference shielding, self-cleaning ability, and significantly enhanced durability.
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