Compressed glassy carbon: An ultrastrong and elastic interpenetrating graphene network
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- Yanshan Univ., Qinhuangdao (China). State Key Lab. of Metastable Materials Science and Technology
- Yanshan Univ., Qinhuangdao (China). State Key Lab. of Metastable Materials Science and Technology; Carnegie Inst. of Washington, Washington, DC (United States). Geophysical Lab.
- Carnegie Inst. of Washington, Washington, DC (United States). Geophysical Lab.
- Carnegie Inst. of Washington, Washington, DC (United States). Geophysical Lab., High Pressure Collaborative Access Team (HPCAT)
- Carnegie Inst. of Washington, Washington, DC (United States). Geophysical Lab.; Center for High Pressure Science and Technology Advanced Research, Shanghai (China)
- Univ. of Chicago, IL (United States). Center for Advanced Radiation Sources (CARS)
- Pennsylvania State Univ., University Park, PA (United States). Dept. of Chemistry
Carbon’s unique ability to have both sp2 and sp3 bonding states gives rise to a range of physical attributes, including excellent mechanical and electrical properties. We show that a series of lightweight, ultrastrong, hard, elastic, and conductive carbons are recovered after compressing sp2-hybridized glassy carbon at various temperatures. Compression induces the local buckling of graphene sheets through sp3 nodes to form interpenetrating graphene networks with long-range disorder and short-range order on the nanometer scale. The compressed glassy carbons have extraordinary specific compressive strengths—more than two times that of commonly used ceramics—and simultaneously exhibit robust elastic recovery in response to local deformations. Finally, this type of carbon is an optimal ultralight, ultrastrong material for a wide range of multifunctional applications, and the synthesis methodology demonstrates potential to access entirely new metastable materials with exceptional properties.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS); Carnegie Institution of Washington, Argonne, IL (United States); Energy Frontier Research Centers (EFRC) (United States). Energy Frontier Research in Extreme Environments (EFree)
- Sponsoring Organization:
- Defense Advanced Research Projects (DARPA); National Natural Science Foundation of China (NNSFC); USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- AC02-06CH11357; FG02-99ER45775; NA0001974; NA0002494; SC0001057
- OSTI ID:
- 1374622
- Journal Information:
- Science Advances, Journal Name: Science Advances Journal Issue: 6 Vol. 3; ISSN 2375-2548
- Publisher:
- AAASCopyright Statement
- Country of Publication:
- United States
- Language:
- ENGLISH
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