Two-dimensional transition metal carbide/nitride(MXene)-based textiles have been developed in many fields;however,the high sensitivity to oxidation and weak interfacial bonding hinder their applications.Herein,we pres...Two-dimensional transition metal carbide/nitride(MXene)-based textiles have been developed in many fields;however,the high sensitivity to oxidation and weak interfacial bonding hinder their applications.Herein,we present a strategy for the preparation of a highly antioxidative MXene@gallic acid(MXene@GA,MG)hybrid dispersion,and further covalently grafted it onto carboxylated cotton fabric through interaction with metal ions(Fe^(3+))for fabricating wearable multifunctional textiles.Due to the cross-linking effect of Fe^(3+)and the remarkable antioxidant activity of natural polyphenol GA,the MG coatings firmly adhere to the textile surfaces and can withstand conventional washing,exhibiting favorable service stability and potential application prospects.Moreover,the obtained MG-decorated textile has the inherent characteristics of good breathability,moisture permeability,flexibility,and biocompatibility of the original fabric,which are conducive to the wearability of smart devices.Furthermore,by utilizing the outstanding conductivity(~330 S/m)and photothermal convertibility of the MG coating,the functional textile achieves high electromagnetic interference(EMI)shielding efficiency(~35 dB),excellent dual-driven(Joule and solar)heating warmth retention,and infrared thermal camouflage.Due to the green and scalable preparation process,favorable durability,excellent comfort,and multifunctionality,the MG-decorated textiles are anticipated to be promising candidates for the next generation of smart wearable personal protective clothing.展开更多
基金the Six Talent Peaks Projects in Jiangsu Province(XCL-133)the National Natural Science Foundation of China(22178145 and 22109054)Postgraduate Research&Practice Innovation Program of Jiangsu Province(KYCX22_2333)are gratefully acknowledged.
文摘Two-dimensional transition metal carbide/nitride(MXene)-based textiles have been developed in many fields;however,the high sensitivity to oxidation and weak interfacial bonding hinder their applications.Herein,we present a strategy for the preparation of a highly antioxidative MXene@gallic acid(MXene@GA,MG)hybrid dispersion,and further covalently grafted it onto carboxylated cotton fabric through interaction with metal ions(Fe^(3+))for fabricating wearable multifunctional textiles.Due to the cross-linking effect of Fe^(3+)and the remarkable antioxidant activity of natural polyphenol GA,the MG coatings firmly adhere to the textile surfaces and can withstand conventional washing,exhibiting favorable service stability and potential application prospects.Moreover,the obtained MG-decorated textile has the inherent characteristics of good breathability,moisture permeability,flexibility,and biocompatibility of the original fabric,which are conducive to the wearability of smart devices.Furthermore,by utilizing the outstanding conductivity(~330 S/m)and photothermal convertibility of the MG coating,the functional textile achieves high electromagnetic interference(EMI)shielding efficiency(~35 dB),excellent dual-driven(Joule and solar)heating warmth retention,and infrared thermal camouflage.Due to the green and scalable preparation process,favorable durability,excellent comfort,and multifunctionality,the MG-decorated textiles are anticipated to be promising candidates for the next generation of smart wearable personal protective clothing.
