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Printable elastic silver nanowire-based conductor for washable electronic textiles

Nano Research 2020年第10期13卷 2879-2884页

作者： Hong-Wu Zhu Huai-Ling Gao Hao-Yu Zhao Jin Ge Bi-Cheng Hu Jin Huang Shu-Hong Yu Division of Nanomaterials&Chemistry Hefei National Laboratory for Physical Sciences at the MicroscaleInstitute of EnergyHefei Comprehensive National Science CenterCAS Center for Exclilence in NanoscienceDepartment of ChemistryUniversity of Science and Technology of ChinaHefei 230026China

Printable elastic conductors promote the wide application of consumable electronic textiles (e-textiles) for pervasive healthcare monitoring and wearable computation. To assure a clean appearance, the e-textiles require a washing process to clean up the dirt after daily use. Thus, it is crucial to develop low-cost printable elastic conductors with strong adhesion to the textiles. Here, we report a composite elastic conductor based on Ag nanowires (NWs) and polyurethane elastomer. The composite could be dispersed into ink and easily printed onto textiles. One-step print could form robust conductive coatings without sealing on the textiles. Interestingly, the regional concentration of Ag NWs within the polyurethane matrix was observed during phase inversion, endowing the elastic conductor with a low percolation threshold of 0.12 vol.% and high conductivity of 3,668 S·cm^−1. Thanks to the high adhesion of the elastic conductors, the resulted e-textiles could withstand repeated stretching, folding, and machine washing (20 times) without obvious performance decay, which reveals its potential application in consumable e-textiles.

关键词： printable elastic conductor electronic textiles washability phase inversion silver nanowires

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Recent Advances and Challenges Toward Application of Fibers and textiles in Integrated Photovoltaic Energy Storage Devices

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Nano-Micro Letters 2023年第3期15卷 190-247页

作者： Amjid Rafique Isabel Ferreira Ghulam Abbas Ana Catarina Baptista CENIMAT|I3N Department of Materials ScienceSchool of Science and TechnologyNOVA University LisbonCampus de Caparica2829‑516 CaparicaPortugal

Flexible microelectronic devices have seen an increasing trend toward development of miniaturized,portable,and integrated devices as wearable electronics which have the requirement for being light weight,small in dimension,and *** three-dimensional(3D)and two-dimensional(2D)electronics gadgets fail to effectively comply with these necessities owing to their stiffness and large *** have come up with a new family of one-dimensional(1D)flexible and fiber-based electronic devices(FBEDs)comprising power storage,energy-scavenging,implantable sensing,and flexible displays ***,development and manufacturing are still a challenge owing to their small radius,flexibility,low weight,weave ability and integration in textile *** paper will provide a detailed review on the importance of substrates in electronic devices,intrinsic property requirements,fabrication classification and applications in energy harvesting,energy storage and other flexible electronic ***-and textile-based electronic devices for bulk/scalable fabrications,encapsulation,and testing are reviewed and presented future research ideas to enhance the commercialization of these fiber-based electronics devices.

关键词： Flexible electronics electronic textiles Energy harvesting Supercapacitors Photovoltaic devices

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Facile fabrication of highly conductive, waterproof, and washable e-textiles for wearable applications

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Nano Research 2021年第4期14卷 1043-1052页

作者： Ben Niu Su Yang Tao Hua Xiao Tian MingKin Koo Nanotechnology Center Institute of Textiles&ClothingThe Hong Kong Polytechnic UniversityHung HornHong Kong 999077China

曰ectronic textiles(e-textiles),known as a newly-developed innovation combining the textile and electronic technologies,are burgeoning as the next-generation of wearable electronics for lots of promising ***,a big concern is the durability of the e-textiles during practical ***,we describe a facile method tofabricate mechanically and electrically durable e-textiles by chemical deposition of silver nanoparticles(AgNPs)on widely used cotton *** interface between AgNPs and fabric was tightly strengthened by the bioinspired polydopamine,and a highly waterproof and anticorrosive surface was further obtained by modifying with a fluorine containing agent of 1H,1H,2H,2/~/-perfuorodecanethiol(PFDT).In addition to the low sheet resistance of 0.26 ohm/sq and high conductivity of 233.4 S/cm,the e-textiles present outstanding stability to different mechanical deformations including ultrasonication,bending and machine ***,thanks to the surface roughness of AgNPs and low surface energy of PFDT,a superhydrophobic surface,with a water contact angle of ca.152°,was further obtained,endowing the e-textiles excellent anti-corrosion to water,acid/alkaline solution and various liquids(e.g.,milk,coffee and tea).Finally,the application of this highly conductive e-textiles in wearable thermal therapy is *** with the facile,all-solution-based,and environmentally friendly fabrication protocol,the e-textiles show great potential of large-scale applications in wearable electronics.

关键词： electronic textiles silver nanoparticles washability waterproof

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