Outdoor activities are an inevitable part of daily life.However,challenges such as elevated body temperatures due to solar radiation and bacterial infestations pose significant obstacles to comfort and safety.Currentl...Outdoor activities are an inevitable part of daily life.However,challenges such as elevated body temperatures due to solar radiation and bacterial infestations pose significant obstacles to comfort and safety.Currently,there is a lack of simple,economical,and efficient solutions for outdoor cooling and bacterial mitigation without external energy input.In this study,a composite fabric was developed by loading iron oxide(Fe_(2)O_(3))and silver bromide(AB)nanomaterials onto polyester fabric(FC)using low-temperature hydrothermal treatment and in-situ co-precipitation.This composite fabric retained both the aesthetic and structural integrity of the fibers,while effectively reduced the temperature by 5℃ under sunlight through reflecting solar radiation and improving the transmission of human body thermal radiation.Additionally,the composite fabric exhibits excellent photocatalytic performance,efficiently degrading volatile organic compounds(VOCs)and demonstrating over 90%antibacterial efficiency against various bacteria.The combination of its superior cooling and photocatalytic capabilities,alongside its cost-effective and straightforward production process,shows broad potential for sustainable applications.展开更多
Herein,nickel nanocones and zinc oxide nanosheets were electroplated onto a fabric to produce multifunctional(wearable,stretchable,washable,hydrophobic,and antibacterial)materials with sensing,heating,and supercapacit...Herein,nickel nanocones and zinc oxide nanosheets were electroplated onto a fabric to produce multifunctional(wearable,stretchable,washable,hydrophobic,and antibacterial)materials with sensing,heating,and supercapacitive properties.All these functionalities are integrated into a one-layered fabric that can be used as a portable intelligent electronic textile for potential application in healthcare monitoring,smart sportswear,and energy storage.Electroplated nickel enhances the electrical conductivity and thus increases the electron charge transfer for supercapacitor applications.The integration of ZnO with the Ni-plated fabric provides pseudocapacitance via redox reactions with the electrolyte.The resistance of the Ni/ZnO fabric changes in response to external stimuli such as temperature and strain.When voltage is applied,the fabric generates heat through Joule heating,demonstrating its potential application as winter sportswear.The superior mechanical durability of the fabric was confirmed through bending and stretching tests.The hydrophobic surface prevents viruses contained in liquid droplets from infiltrating the fabric.In addition,bacterial growth is inhibited because of the antibacterial properties of the Ni/ZnO fabric and because of Joule heating.The one-layered fabric integrated with such multiple functionalities is expected to be applicable in the development of next-generation portable and wearable electronic textiles in various industries.展开更多
Flexible multifunctional polymer-based electromagnetic interference(EMI)shielding composite fabrics have important application values in 5G communication technology,wearable electronic devices and artificial intellige...Flexible multifunctional polymer-based electromagnetic interference(EMI)shielding composite fabrics have important application values in 5G communication technology,wearable electronic devices and artificial intelligence.In this work,the flexible and multifunctional MXene/poly(3,4-ethyl-enedioxythiophene):poly(styrene sulfonate)(PEDOT:PSS)/polyethylene terephthalate(PET)(M-PPSS-PET)composite fabrics are prepared by constructing multilevel conductive networks through a stepwise impregnation process.The PEDOT:PSS acts as a bi-functional intermediate layer of“bonding and conduction”.It not only improves the interface bonding strength of MXene and PET fabrics,but also optimizes carrier migration path through energy level matching.The M-PPSS-PET composite fabrics exhibit excellent comprehensive performance,with electrical conductivity(σ)of up to 334.1 S/cm,EMI shielding effectiveness(EMI SE)of 42 dB,and tensile strength of 101 MPa.Even after being folded for 300 times,EMI SE still remains at 93%of its initial value.When stacked with three pieces of M-PPSS-PET composite fabrics,the EMI SE is up to 69 dB.Moreover,M-PPSS-PET composite fabrics also present excellent Joule heating performance and photothermal conversion properties.When the applied voltage is 2 V,M-PPSS-PET composite fabrics quickly reach the surface stability temperature of 116℃.Under simulated solar irradiation with a power density of 120 mW/cm^(2),the surface stability temperature is up to 85.7℃.In addition,M-PPSS-PET composite fabrics also show excellent structural stability and flexibility.This work provides a novel and feasible strategy to prepare flexible multifunctional fabrics for applications in the fields of artificial intelligence,flexible wearable electronic devices and smart textiles.展开更多
Traditional cloth diapers are fully reliant on the water retention capacity of the absorbent cores to deter leaks,often overlooking the role of the top sheet,which can lead to reverse osmosis of absorbed urine.Janus m...Traditional cloth diapers are fully reliant on the water retention capacity of the absorbent cores to deter leaks,often overlooking the role of the top sheet,which can lead to reverse osmosis of absorbed urine.Janus membranes,known for their liquid diode effect,present an ideal material for the top sheet of cloth diapers.However,the widespread application of Janus membranes in cloth diapers faces challenges such as failure to meet anti-backflow requirements,limited biocompatibility,and insufficient antimicrobial properties.Here,a multifunctional Janus fabric for the top sheet of cloth diapers is developed through the synergistic combination of gradient wettability and nanoparticle functionality.The modulable gradient wettability provides unidirectional liquid transport with a high rectification ratio,which is essential for preventing liquid backflow.Consequently,prototype cloth diapers incorporating Janus fabrics as the top sheet outperform commercial products in wetback resistance.Functionalized silver nanoparticles not only provide the necessary micro-nano hierarchical structure for gradient wettability but also endow Janus fabrics with excellent chemical antibacterial properties.The integration of dryness derived from the excellent unidirectional transport performance and antibacterial properties effectively prevents bacterial growth on cloth diapers.Additionally,the Janus fabrics exhibit excellent washability and biocompatibility,further enhancing their potential applications in reusable cloth diapers.展开更多
Multifunctional intelligent fabric plays an integral role in health management,human–machine interaction,wireless energy storage and conversion,and many other artificial intelligence fields.Herein,we demonstrate a ne...Multifunctional intelligent fabric plays an integral role in health management,human–machine interaction,wireless energy storage and conversion,and many other artificial intelligence fields.Herein,we demonstrate a newly developed MXene/polyaniline(PANI)multifunctional fabric integrated with strain sensing,electrochemical energy storage,and electromagnetic shielding properties.The multifunctional fabric-based strain sensor possesses a real-time signal response at a sizeable tensile strain of 100%with a minute strain of 0.5%,maintaining a stable and consistent signal response even after 3000 stretch–release cycles.In addition,the multifunctional fabric exhibits excellent electromagnetic shielding capabilities,achieving a total shielding effectiveness value of up to 43 dB,and in the meantime shows attractive electrochemical energy storage performance as an electrode in a supercapacitor,offering a maximum specific capacity and energy density of 522.5 mF·cm^(−2)and 18.16μWh·cm^(−2),respectively.Such a multifunctional intelligent fabric offers versatile opportunities to develop smart clothes for various artificial intelligent applications.展开更多
基金financially supported by National Natural Science Foundation of China(No.22379058).
文摘Outdoor activities are an inevitable part of daily life.However,challenges such as elevated body temperatures due to solar radiation and bacterial infestations pose significant obstacles to comfort and safety.Currently,there is a lack of simple,economical,and efficient solutions for outdoor cooling and bacterial mitigation without external energy input.In this study,a composite fabric was developed by loading iron oxide(Fe_(2)O_(3))and silver bromide(AB)nanomaterials onto polyester fabric(FC)using low-temperature hydrothermal treatment and in-situ co-precipitation.This composite fabric retained both the aesthetic and structural integrity of the fibers,while effectively reduced the temperature by 5℃ under sunlight through reflecting solar radiation and improving the transmission of human body thermal radiation.Additionally,the composite fabric exhibits excellent photocatalytic performance,efficiently degrading volatile organic compounds(VOCs)and demonstrating over 90%antibacterial efficiency against various bacteria.The combination of its superior cooling and photocatalytic capabilities,alongside its cost-effective and straightforward production process,shows broad potential for sustainable applications.
基金supported by the National Research Foundation of Korea(NRF)grant funded by the Korea government NRF-2020R1A5A1018153,NRF-2021R1A2C2010530,2020K1A3A1A74114847,and NRF-2016M1A2A2936760。
文摘Herein,nickel nanocones and zinc oxide nanosheets were electroplated onto a fabric to produce multifunctional(wearable,stretchable,washable,hydrophobic,and antibacterial)materials with sensing,heating,and supercapacitive properties.All these functionalities are integrated into a one-layered fabric that can be used as a portable intelligent electronic textile for potential application in healthcare monitoring,smart sportswear,and energy storage.Electroplated nickel enhances the electrical conductivity and thus increases the electron charge transfer for supercapacitor applications.The integration of ZnO with the Ni-plated fabric provides pseudocapacitance via redox reactions with the electrolyte.The resistance of the Ni/ZnO fabric changes in response to external stimuli such as temperature and strain.When voltage is applied,the fabric generates heat through Joule heating,demonstrating its potential application as winter sportswear.The superior mechanical durability of the fabric was confirmed through bending and stretching tests.The hydrophobic surface prevents viruses contained in liquid droplets from infiltrating the fabric.In addition,bacterial growth is inhibited because of the antibacterial properties of the Ni/ZnO fabric and because of Joule heating.The one-layered fabric integrated with such multiple functionalities is expected to be applicable in the development of next-generation portable and wearable electronic textiles in various industries.
基金supported by the National Natural Science Foundation of China(Nos.52303090,52403112,and 52203100)the Innovation Capability Support Plan of Shaanxi Province(No.2024ZC-KJXX-022)+5 种基金the Youth Talent Promotion Project of Shaanxi Science and Technology Association(No.20240426)the Natural Science Foundation of Chongqing,China(No.2023NSCQ-MSX2682)the Shaanxi Province Key Research and Development Plan Project(No.2024GX-YBXM-386)the Open Fund for Defense Science and Technology Key Laboratory(No.WDZC-HGD-2022-09)the Special Scientific Research Plan of Education Department of Shaanxi Province(No.23JK0376)Postdoctoral Research Project of Shaanxi Province(No.2024BSHSDZZ010).
文摘Flexible multifunctional polymer-based electromagnetic interference(EMI)shielding composite fabrics have important application values in 5G communication technology,wearable electronic devices and artificial intelligence.In this work,the flexible and multifunctional MXene/poly(3,4-ethyl-enedioxythiophene):poly(styrene sulfonate)(PEDOT:PSS)/polyethylene terephthalate(PET)(M-PPSS-PET)composite fabrics are prepared by constructing multilevel conductive networks through a stepwise impregnation process.The PEDOT:PSS acts as a bi-functional intermediate layer of“bonding and conduction”.It not only improves the interface bonding strength of MXene and PET fabrics,but also optimizes carrier migration path through energy level matching.The M-PPSS-PET composite fabrics exhibit excellent comprehensive performance,with electrical conductivity(σ)of up to 334.1 S/cm,EMI shielding effectiveness(EMI SE)of 42 dB,and tensile strength of 101 MPa.Even after being folded for 300 times,EMI SE still remains at 93%of its initial value.When stacked with three pieces of M-PPSS-PET composite fabrics,the EMI SE is up to 69 dB.Moreover,M-PPSS-PET composite fabrics also present excellent Joule heating performance and photothermal conversion properties.When the applied voltage is 2 V,M-PPSS-PET composite fabrics quickly reach the surface stability temperature of 116℃.Under simulated solar irradiation with a power density of 120 mW/cm^(2),the surface stability temperature is up to 85.7℃.In addition,M-PPSS-PET composite fabrics also show excellent structural stability and flexibility.This work provides a novel and feasible strategy to prepare flexible multifunctional fabrics for applications in the fields of artificial intelligence,flexible wearable electronic devices and smart textiles.
基金supported by the National Natural Science Foundation of China(52303143,22175011,52472293)China Postdoctoral Science Foundation(2021TQ0023,2022TQ0022,2022M720012)+5 种基金National Key R&D Program of China(2019YFB1309702)Beijing Young Talent Support ProgramTianmushan Laboratory Research Project(TK2023C018)Beijing Nova Program(20220484213)Key Laboratory of Icing and Anti/De-icing of China Aerodynamics Research and Development Center(IADL20230401)Fundamental Research Funds for the Central Universities。
文摘Traditional cloth diapers are fully reliant on the water retention capacity of the absorbent cores to deter leaks,often overlooking the role of the top sheet,which can lead to reverse osmosis of absorbed urine.Janus membranes,known for their liquid diode effect,present an ideal material for the top sheet of cloth diapers.However,the widespread application of Janus membranes in cloth diapers faces challenges such as failure to meet anti-backflow requirements,limited biocompatibility,and insufficient antimicrobial properties.Here,a multifunctional Janus fabric for the top sheet of cloth diapers is developed through the synergistic combination of gradient wettability and nanoparticle functionality.The modulable gradient wettability provides unidirectional liquid transport with a high rectification ratio,which is essential for preventing liquid backflow.Consequently,prototype cloth diapers incorporating Janus fabrics as the top sheet outperform commercial products in wetback resistance.Functionalized silver nanoparticles not only provide the necessary micro-nano hierarchical structure for gradient wettability but also endow Janus fabrics with excellent chemical antibacterial properties.The integration of dryness derived from the excellent unidirectional transport performance and antibacterial properties effectively prevents bacterial growth on cloth diapers.Additionally,the Janus fabrics exhibit excellent washability and biocompatibility,further enhancing their potential applications in reusable cloth diapers.
基金support from the National Energy-Saving and Low-Carbon Materials Production and Application Demonstration Platform Program(No.TC220H06N)and the National Natural Science Foundation of China(Nos.U20A20131 and 22209193).
文摘Multifunctional intelligent fabric plays an integral role in health management,human–machine interaction,wireless energy storage and conversion,and many other artificial intelligence fields.Herein,we demonstrate a newly developed MXene/polyaniline(PANI)multifunctional fabric integrated with strain sensing,electrochemical energy storage,and electromagnetic shielding properties.The multifunctional fabric-based strain sensor possesses a real-time signal response at a sizeable tensile strain of 100%with a minute strain of 0.5%,maintaining a stable and consistent signal response even after 3000 stretch–release cycles.In addition,the multifunctional fabric exhibits excellent electromagnetic shielding capabilities,achieving a total shielding effectiveness value of up to 43 dB,and in the meantime shows attractive electrochemical energy storage performance as an electrode in a supercapacitor,offering a maximum specific capacity and energy density of 522.5 mF·cm^(−2)and 18.16μWh·cm^(−2),respectively.Such a multifunctional intelligent fabric offers versatile opportunities to develop smart clothes for various artificial intelligent applications.
