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Continuous crystalline graphene papers with gigapascal strength by intercalation modulated plasticization
- Source :
- Nature Communications, Nature Communications, Vol 11, Iss 1, Pp 1-10 (2020)
- Publication Year :
- 2020
- Publisher :
- Nature Publishing Group UK, 2020.
-
Abstract
- Graphene has an extremely high in-plane strength yet considerable out-of-plane softness. High crystalline order of graphene assemblies is desired to utilize their in-plane properties, however, challenged by the easy formation of chaotic wrinkles for the intrinsic softness. Here, we find an intercalation modulated plasticization phenomenon, present a continuous plasticization stretching method to regulate spontaneous wrinkles of graphene sheets into crystalline orders, and fabricate continuous graphene papers with a high Hermans’ order of 0.93. The crystalline graphene paper exhibits superior mechanical (tensile strength of 1.1 GPa, stiffness of 62.8 GPa) and conductive properties (electrical conductivity of 1.1 × 105 S m−1, thermal conductivity of 109.11 W m−1 K−1). We extend the ultrastrong graphene papers to the realistic laminated composites and achieve high strength combining with attractive conductive and electromagnetic shielding performance. The intercalation modulated plasticity is revealed as a vital state of graphene assemblies, contributing to their industrial processing as metals and plastics.<br />Strong but flexible graphene tends to wrinkle, which compromises some properties. Here the authors report a solid plasticization method to prepare continuous graphene papers with high crystalline order, achieving high strength, stiffness, electrical and thermal conductivities.
- Subjects :
- Materials science
Science
Intercalation (chemistry)
General Physics and Astronomy
02 engineering and technology
010402 general chemistry
01 natural sciences
General Biochemistry, Genetics and Molecular Biology
Article
law.invention
Thermal conductivity
Electrical resistivity and conductivity
law
Ultimate tensile strength
Composite material
lcsh:Science
Electrical conductor
Graphene oxide paper
Multidisciplinary
Structural properties
Graphene
General Chemistry
021001 nanoscience & nanotechnology
Mechanical engineering
0104 chemical sciences
Electromagnetic shielding
lcsh:Q
0210 nano-technology
Mechanical and structural properties and devices
Subjects
Details
- Language :
- English
- ISSN :
- 20411723
- Volume :
- 11
- Database :
- OpenAIRE
- Journal :
- Nature Communications
- Accession number :
- edsair.doi.dedup.....3cc5dbd4749998f9a954977805e7d2d7