A Versatile, Ultralight, Nitrogen-Doped Graphene Framework

被引：681

作者：

Zhao, Yang ^{[1
]}

Hu, Chuangang ^{[1
]}

Hu, Yue ^{[1
]}

Cheng, Huhu ^{[1
]}

Shi, Gaoquan ^{[2
]}

Qu, Liangti ^{[1
]}

机构：

[1] Beijing Inst Technol, Key Lab Cluster Sci, Minist Educ, Sch Chem, Beijing 100081, Peoples R China

[2] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2012年 / 51卷 / 45期

关键词：

adsorption; capacitors; graphene; oxygen reduction reaction; ultralight materials; METAL-FREE ELECTROCATALYSTS; REDUCED GRAPHENE; OXIDE; HYDROGELS; AEROGELS;

D O I：

10.1002/anie.201206554

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：11371 / 11375

页数：5

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