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Crosslinking Graphene Oxide into Robust 3D Porous N‐Doped Graphene
Author(s) -
Qin Yong,
Yuan Jie,
Li Juan,
Chen Dongchang,
Kong Yong,
Chu Fuqiang,
Tao Yongxin,
Liu Meilin
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201501735
Subject(s) - graphene , materials science , oxide , graphene oxide paper , doping , porosity , nanotechnology , chemical engineering , porous medium , graphene foam , composite material , optoelectronics , metallurgy , engineering
3D N‐doped graphene crosslinked by covalent bonds is fabricated through thermal treatment of graphene oxide with a nitrogen‐contained resin. The material possesses a hierarchical porous architecture, robust mechanical stability, and abundant N‐doped properties. As an electrode material for supercapacitors, this multifunctional material exhibits an unprecedented specific capacitance, high rate capability, and excellent long‐term cycle stability.