Journal
ACS NANO
Volume 9, Issue 12, Pages 11568-11573Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.5b05252
Keywords
integrated; ternary bioinspired nanocomposite; synergistic toughening; graphene oxide; double-walled carbon nanotube
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Funding
- Excellent Young Scientist Foundation of NSFC [51522301]
- National Natural Science Foundation of China [21273017, 51103004]
- Program for New Century Excellent Talents in University [NCET-12-0034]
- Beijing Nova Program [Z121103002512020]
- Fok Ying-Tong Education Foundation [141045]
- Open Project of Beijing National Laboratory for Molecular Sciences
- 111 Project [B14009]
- Aeronautical Science Foundation of China [20145251035]
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials
- Donghua University [LK1508]
- Fundamental Research Funds for the Central Universities [YWF-15-HHXY-001]
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With its synergistic toughening effect and hierarchical micro/nanoscale structure, natural nacre sets a gold standard for nacre-inspired materials with integrated high strength and toughness. We demonstrated strong and tough ternary bioinspired nanocomposites through synergistic toughening of reduced graphene oxide and double-walled carbon nanotube (DWNT) and covalent bonding. The tensile strength and toughness of this kind of ternary bioinspired nanocomposites reaches 374.1 +/- 22.8 MPa and 9.2 +/- 0.8 MJ/m(3), which is 2.6 and 3.3 times that of pure reduced graphene oxide film, respectively. Furthermore, this ternary bioinspired nanocomposite has a high conductivity of 394.0 +/- 6.8 S/cm and also shows excellent fatigue-resistant properties, which may enable this material to be used in aerospace, flexible energy devices, and artificial muscle. The synergistic building blocks with covalent bonding for constructing ternary bioinspired nanocomposites can serve as the basis of a strategy for the construction of integrated, high-performance, reduced graphene oxide (rG0)-based nanocomposites in the future.
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