期刊
ADVANCED MATERIALS
卷 30, 期 30, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201801754
关键词
electrical/thermal/optical stimuli; graphene aerogels; phase-change materials; smart fibers
类别
资金
- National Key Research and Development Program of China [2016YFA0203301]
- National Natural Science Foundation of China [51572285]
- Natural Science Foundation of Jiangsu Province [BK20170428]
- Royal Society Newton Advanced Fellowship [NA170184]
- UK Engineering and Physical Sciences Research Council [EPSRCEP/L020904/1, EP/M026884/1]
- University of Macau and Science and Technology Development Fund [081/2017A2]
- Macao S.A.R. (FDCT) [SRG2016-00092-IAPME]
- EPSRC [EP/M026884/1] Funding Source: UKRI
Wearable devices and systems demand multifunctional units with intelligent and integrative functions. Smart fibers with response to external stimuli, such as electrical, thermal, and photonic signals, etc., as well as offering energy storage/conversion are essential units for wearable electronics, but still remain great challenges. Herein, flexible, strong, and self-cleaning graphene-aerogel composite fibers, with tunable functions of thermal conversion and storage under multistimuli, are fabricated. The fibers made from porous graphene aerogel/organic phase-change materials coated with hydrophobic fluorocarbon resin render a wide range of phase transition temperature and enthalpy (0-186 J g(-1)). The strong and compliant fibers are twisted into yarn and woven into fabrics, showing a self-clean superhydrophobic surface and excellent multiple responsive properties to external stimuli (electron/photon/thermal) together with reversible energy storage and conversion. Such aerogel-directed smart fibers promise for broad applications in the next-generation of wearable systems.
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