期刊
ADVANCED MATERIALS
卷 32, 期 5, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201902664
关键词
carbonaceous fibers; flexible electronics; graphene fibers; macroscopic assmebly; structural-functional integrated uses
类别
资金
- National Natural Science Foundation of China [51533008, 51703194]
- National Key R&D Program of China [2016YFA0200200]
- Fundamental Research Funds for the Central Universities [2017XZZX008-06]
- Hundred Talents Program of Zhejiang University [188020*194231701/113]
- Key Research and Development Plan of Zhejiang Province [2018C01049]
- Fujian Provincial Science and Technology Major Projects [2018HZ0001-2]
- Foundation of National Key Laboratory on Environment Effects [614220504030717]
Graphene fiber (GF) is a macroscopically assembled fibrous material made of individual units of graphene and its derivatives. Beyond traditional carbon fibers, graphene building blocks consisting of regulable sizes and regular orientations of GF are expected to generate extreme mechanical and transport properties, as well as multiple functions in smart electronic fibrous devices and textiles. Here, the features of GF are presented along four lines: preparation, morphology, structure-performance correlations, and state-of-the-art applications as flexible and wearable electronics. The principles, experiments, and keys of fabricating GF from graphite with different methods, focusing on the industrially viable mainstream strategy, wet spinning, are introduced. Then, the fundamental relationship between the mechanical and transport properties and the structure, including both highly condensed structures for high-performance and hierarchical structures for multiple functions, is presented. The advances of GF based on structure-performance formulas boost its functional applications, especially in electronic devices. Finally, the possible promotion methods and structural-functional integrated applications of GF are discussed.
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