A Versatile, Ultralight, Nitrogen-Doped Graphene Framework

Graphene lite: A density of (2.1±0.3) mg cm−3, the lowest to date for a graphene framework architecture, is achieved by preparing an ultralight, N‐doped, 3D graphene framework (see photo of a block of the material balancing on a dandelion). Its adsorption capacity for oils and organic solvents is mu...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2012-11, Vol.51 (45), p.11371-11375
Main Authors: Zhao, Yang, Hu, Chuangang, Hu, Yue, Cheng, Huhu, Shi, Gaoquan, Qu, Liangti
Format: Article
Language:English
Subjects:
adsorption
capacitors
graphene
oxygen reduction reaction
ultralight materials
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Summary:Graphene lite: A density of (2.1±0.3) mg cm−3, the lowest to date for a graphene framework architecture, is achieved by preparing an ultralight, N‐doped, 3D graphene framework (see photo of a block of the material balancing on a dandelion). Its adsorption capacity for oils and organic solvents is much higher than that of the best carbonaceous sorbents, and it is a promising electrode material for supercapacitors (484 F g−1) and as a metal‐free catalyst for the oxygen reduction reaction.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201206554