Use of Synergistic Interactions to Fabricate Strong, Tough, and Conductive Artificial Nacre Based on Graphene Oxide and Chitosan.
Graphene is the strongest and stiffest material, leading to the development of promising applications in many fields. However, the assembly of graphene nanosheets into macrosized nanocomposites for practical applications remains a challenge. Nacre in its natural form sets the "gold standard" for toughness and strength, which serves as a guide to the assembly of graphene nanosheets into high-performance nanocomposites. Here we show the strong, tough, conductive artificial nacre based on graphene oxide through synergistic interactions of hydrogen and covalent bonding. Tensile strength and toughness was 4 and 10 times higher, respectively, than that of natural nacre. The exceptional integrated strong and tough artificial nacre has promising applications in aerospace, artificial muscle, and tissue engineering, especially for flexible supercapacitor electrodes due to its high electrical conductivity. The use of synergistic interactions is a strategy for the development of high-performance nanocomposites.
Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, BeiHang University , Beijing 100191, People's Republic of China.
Sijie
S
Wan
Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, BeiHang University , Beijing 100191, People's Republic of China.
Jingsong
J
Peng
Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication , Beijing 102600, People's Republic of China.
Yuchen
Y
Li
Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, BeiHang University , Beijing 100191, People's Republic of China.
Han
H
Hu
Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, BeiHang University , Beijing 100191, People's Republic of China.
Lei
L
Jiang
Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, BeiHang University , Beijing 100191, People's Republic of China.
Qunfeng
Q
Cheng
D048271:Chitosan / Q000737:chemistry*; D004553:Electric Conductivity; D006108:Graphite / Q000737:chemistry*; D006860:Hydrogen Bonding; D008422:Materials Testing; D008958:Models, Molecular; D060734:Nacre / Q000737:chemistry*; D053761:Nanocomposites / Q000737:chemistry* / Q000648:ultrastructure; D010087:Oxides / Q000737:chemistry*; D013718:Tensile Strength
D060734:Nacre; D010087:Oxides; D006108:Graphite; D048271:Chitosan
artificial nacre; chitosan; graphene oxide; synergistic interaction