Smart textiles are attracting great interest. Particularly, air-conditioning textiles are highly desired for their merits in energy conservation and personal temperature/humidity management. Currently, air-conditioning textiles can be fabricated by two strategies. One uses infrared-radiation-adaptive materials, and the other uses moisture-responsive actuators that can regulate temperature and humidity simultaneously. Here, the fabrication of a silk-yarn switch comprising electrospun highly aligned nanofibers is reported and its application in air-conditioning textiles is demonstrated. Silk yarn rotates in contact with liquid, and can be recovered by drying. The different responses and wetting behaviors of the switch to H2O and C2H6O is investigated. It is argued that alignment and surface hydrophilicity of nanofibers play important roles in this term. To elaborate, actuating trait is mainly controlled by reduction of the surface free energy of aligned silk nanofibers, during the wetting process. As proof of concept, the application of the sweat-driven silk-yarn switch in regulating the temperature/humidity of the human body is demonstrated in this work. Considering the large production, versatile processibility, and good biocompatibility, silk actuator may have practical applications in designing smart switches (or valves) for intelligent textiles, artificial muscles, and other application scenarios.
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Smart dress: Innovations in wearable tech. 2018. https://industryeurope.com/sma/. Accessed 21 July 2018.
Jinno H, Fukuda K, Xu X, Park S, Suzuki Y, Koizumi M, Yokota T, Osaka I, Takimiya K, Someya T. Stretchable and waterproof elastomer-coated organic photovoltaics for washable electronic textile applications. Nat Energy. 2017;2:780–5.
Huang Q, Wang D, Zheng Z. Textile-based electrochemical energy storage devices. Adv Energy Mater. 2016;6:1600783.
Li H, Han C, Huang Y, Huang Y, Zhu M, Pei Z, Xue Q, Wang Z, Liu Z, Tang Z, Wang Y, Kang F, Li B, Zhi C. An extremely safe and wearable solid-state zinc ion battery based on a hierarchical structured polymer electrolyte. Energy Environ Sci. 2018;11:941–51.
Tao X. Study of fiber-based wearable energy systems. Acc Chem Res. 2019;52:307–15.
Chen S, Ma W, Xiang H, Cheng Y, Yang S, Weng W, Zhu M. Conductive, tough, hydrophilic poly(vinyl alcohol)/graphene hybrid fibers for wearable supercapacitors. J Power Sources. 2016;319:271–80.
Rein M, Favrod VD, Hou C, Khudiyev T, Stolyarov A, Cox J, Chung C, Chhav C, Ellis M, Joannopoulos J, Fink Y. Diode fibres for fabric-based optical communications. Nature. 2018;560:214–8.
Wang C, Xia K, Wang H, Liang X, Yin Z, Zhang Y. Advanced carbon for flexible and wearable electronics. Adv Mater. 2019;31:1801072.
Crow BB, Nelson KD. Release of bovine serum albumin from a hydrogel-cored biodegradable polymer fiber. Biopolymers. 2006;81:419–27.
Hsu P, Song AY, Catrysse PB, Liu C, Peng Y, Xie J, Fan S, Cui Y. Radiative human body cooling by nanoporous polyethylene textile. Science. 2016;353:1019–23.
Zhang M, Wang C, Liang X, Yin Z, Xia K, Wang H, Jian M, Zhang Y. Weft-knitted fabric for a highly stretchable and low-voltage wearable heater. Adv Electron Mater. 2017;3:1700193.
Wang X, Huang Z, Miao D, Zhao J, Yu J, Ding B. Biomimetic fibrous murray membranes with ultrafast water transport and evaporation for smart moisture-wicking fabrics. ACS Nano. 2018;13:1060–70.
Wang W, Yao L, Cheng C, Zhang T, Atsumi H, Wang L, Wang G, Anilionyte O, Steiner H, Ou J, Zhou K, Wawrousek C, Petrecca K, Belcher AM, Karnik R, Zhao X, Wang DIC, Ishii H. Harnessing the hygroscopic and biofluorescent behaviors of genetically tractable microbial cells to design biohybrid wearables. Sci Adv. 2017;3:e1601984.
Zhai Y, Ma Y, David SN, Zhao D, Lou R, Tan G, Yang R, Yin X. Scalable-manufactured randomized glass-polymer hybrid metamaterial for daytime radiative cooling. Science. 2017;355:1062–6.
Zhang XA, Yu S, Xu B, Li M, Peng Z, Wang Y, Deng S, Wu X, Wu Z, Ouyang M, Wang Y. Dynamic gating of infrared radiation in a textile. Science. 2019;363:619–23.
Stoychev GV, Ionov L. Actuating fibers: design and Applications. ACS Appl Mater Interfaces. 2016;8:24281–94.
Cheng H, Hu Y, Zhao F, Dong Z, Wang Y, Chen N, Zhang Z, Qu L. Moisture-activated torsional graphene-fiber motor. Adv Mater. 2014;26:2909–13.
Lima MD, Li N, De Andrade MJ, Fang S, Oh J, Spinks GM, Kozlov ME, Haines CS, Suh D, Foroughi J. Electrically, chemically, and photonically powered torsional and tensile actuation of hybrid carbon nanotube yarn muscles. Science. 2012;338:928–32.
Chen P, Xu Y, He S, Sun X, Pan S, Deng J, Chen D, Peng H. Hierarchically arranged helical fibre actuators driven by solvents and vapours. Nat Nanotechnol. 2015;10:1077–83.
Haines CS, Lima MD, Li N, Spinks GM, Foroughi J, Madden JD, Kim SH, Fang S, de Andrade MJ, Göktepe F. Artificial muscles from fishing line and sewing thread. Science. 2014;343:868–72.
Ling S, Kaplan DL, Buehler MJ. Nanofibrils in nature and materials engineering. Nat Rev Mater. 2018;3:18016.
Wang C, Wu S, Jian M, Xie J, Xu L, Yang X, Zheng Q, Zhang Y. Silk nanofibers as high efficient and lightweight air filter. Nano Res. 2016;9:2590–7.
Zhang Q, Wang D, Huang J, Zhou W, Luo G, Qian W, Wei F. Dry spinning yarns from vertically aligned carbon nanotube arrays produced by an improved floating catalyst chemical vapor deposition method. Carbon. 2010;48:2855–61.
Wang X, Kim HJ, Xu P, Matsumoto A, Kaplan DL. Biomaterial coatings by stepwise deposition of silk fibroin. Langmuir. 2005;21:11335–41.
Yin Z, Jian M, Wang C, Xia K, Liu Z, Wang Q, Zhang M, Wang H, Liang X, Liang X, Long Y, Yu X, Zhang Y. Splash-resistant and light-weight silk-sheathed wires for textile electronics. Nano Lett. 2018;18:7085–91.
Zhang C, Zhang Y, Shao H, Hu X. Hybrid silk fibers dry-spun from regenerated silk fibroin/graphene oxide aqueous solutions. ACS Appl Mater Interfaces. 2016;8:3349–58.
Wang S, Li T, Chen C, Kong W, Zhu S, Dai J, Diaz AJ, Hitz E, Solares SD, Li T, Hu L. Transparent, anisotropic biofilm with aligned bacterial cellulose nanofibers. Adv Funct Mater. 2018;28:1707491.
Schroeder WA, Kay LM, Lewis B, Munger N. The amino acid composition of bombyx mori silk fibroin and of tussah silk fibroin. J Am Chem Soc. 1955;77:3908–13.
Lawrence BD, Wharram S, Kluge JA, Leisk GG, Omenetto FG, Rosenblatt MI, Kaplan DL. Effect of hydration on silk film material properties. Macromol Biosci. 2010;10:393–403.
Li Y, Quéré D, Lv C, Zheng Q. Monostable superrepellent materials. Proc Natl Acad Sci USA. 2017;114:3387–92.
Vakarelski IU, Patankar NA, Marston JO, Chan DYC, Thoroddsen ST. Stabilization of Leidenfrost vapour layer by textured superhydrophobic surfaces. Nature. 2012;489:274–7.
Bico J, Roman B, Moulin L, Boudaoud A. Elastocapillary coalescence in wet hair. Nature. 2004;432:690.
This work was supported by the NSF of China (51672153, 51422204, 21975141) and the National Key Basic Research and Development Program (No. 2016YFA0200103), the National Program for Support of Top-notch Young Professionals.
Conflict of interest
The authors declare no competing financial interest.
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Yin, Z., Shi, S., Liang, X. et al. Sweat-Driven Silk-yarn Switches Enabled by Highly Aligned Gaps for Air-conditioning Textiles. Adv. Fiber Mater. 1, 197–204 (2019). https://doi.org/10.1007/s42765-019-00021-y
- Silk fibroin
- Aligned gaps
- Yarn actuator
- Surface free energy
- Dynamic regulation