Engineering a Hierarchy of Disorder A New Route to Synthesize High-Performance 3D Nanoporous All-Carbon Materials*

Engineering a Hierarchy of Disorder : A New Route to Synthesize High-Performance 3D Nanoporous All-Carbon Materials*

© 2024 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 32 vom: 08. Aug., Seite e2402628
1. Verfasser: Lee, Jong Hak (VerfasserIn)
Weitere Verfasser: Loh, N Duane, Yeo, Zhen Yuan, Ong, Yong Kang, Balakrishnan, Deepan, Limpo, Carlos Maria Alava, Datta, Abhik, Cetin, Cagdas, Ning, Shoucong, Wong, Clarissa, Shi, Jian, Hou, Fuchen, Lin, Junhao, Minamikawa, Tadahiro, Ito, Tomonori, Kamisuki, Hiroyuki, Pennycook, Stephen, Matsudaira, Paul, Özyilmaz, Barbaros
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article electrical conductivity high strength nanoporous structure) multiphase composites sp2‐sp3 mixed amorphous carbon
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520 |a A new nanoporous amorphous carbon (NAC) structure that achieves both ultrahigh strength and high electrical conductivity, which are usually incompatible in porous materials is reported. By using modified spark plasma sintering, three amorphous carbon phases with different atomic bonding configurations are created. The composite consisted of an amorphous sp2-carbon matrix mixed with amorphous sp3-carbon and amorphous graphitic motif. NAC structure has an isotropic electrical conductivity of up to 12 000 S m-1, Young's modulus of up to ≈5 GPa, and Vickers hardness of over 900 MPa. These properties are superior to those of existing conductive nanoporous materials. Direct investigation of the multiscale structure of this material through transmission electron microscopy, electron energy loss spectroscopy, and machine learning-based electron tomography revealed that the origin of the remarkable material properties is the well-organized sp2/sp3 amorphous carbon phases with a core-shell-like architecture, where the sp3-rich carbon forms a resilient core surrounded by a conductive sp2-rich layer. This research not only introduces novel materials with exceptional properties but also opens new opportunities for exploring amorphous structures and designing high-performance materials 
650 4 |a Journal Article 
650 4 |a electrical conductivity 
650 4 |a high strength nanoporous structure) 
650 4 |a multiphase composites 
650 4 |a sp2‐sp3 mixed amorphous carbon 
700 1 |a Loh, N Duane  |e verfasserin  |4 aut 
700 1 |a Yeo, Zhen Yuan  |e verfasserin  |4 aut 
700 1 |a Ong, Yong Kang  |e verfasserin  |4 aut 
700 1 |a Balakrishnan, Deepan  |e verfasserin  |4 aut 
700 1 |a Limpo, Carlos Maria Alava  |e verfasserin  |4 aut 
700 1 |a Datta, Abhik  |e verfasserin  |4 aut 
700 1 |a Cetin, Cagdas  |e verfasserin  |4 aut 
700 1 |a Ning, Shoucong  |e verfasserin  |4 aut 
700 1 |a Wong, Clarissa  |e verfasserin  |4 aut 
700 1 |a Shi, Jian  |e verfasserin  |4 aut 
700 1 |a Hou, Fuchen  |e verfasserin  |4 aut 
700 1 |a Lin, Junhao  |e verfasserin  |4 aut 
700 1 |a Minamikawa, Tadahiro  |e verfasserin  |4 aut 
700 1 |a Ito, Tomonori  |e verfasserin  |4 aut 
700 1 |a Kamisuki, Hiroyuki  |e verfasserin  |4 aut 
700 1 |a Pennycook, Stephen  |e verfasserin  |4 aut 
700 1 |a Matsudaira, Paul  |e verfasserin  |4 aut 
700 1 |a Özyilmaz, Barbaros  |e verfasserin  |4 aut 
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