Morphology-controllable templated synthesis of three-dimensionally structured graphenic materials

被引：5
作者：
Wen, Je-Ruei [1 ]
Mou, Chung-Yuan [1 ]
机构：
[1] Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan
来源：
CARBON | 2017年 / 111卷
关键词：
CHEMICAL-VAPOR-DEPOSITION; HYDROGEN STORAGE; POROUS GRAPHENE; RAMAN-SPECTROSCOPY; CARBON NANOTUBES; CRUMPLED GRAPHENE; GRAIN-BOUNDARIES; ENERGY-STORAGE; GRAPHITE OXIDE; SURFACE-AREA;
D O I：
10.1016/j.carbon.2016.10.023
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The physical and chemical properties of graphene are highly related to its nanostructure. Yet, existing preparation methods cannot easily obtain free-standing 3-D graphenic materials with controllable morphology. Here we report a growth strategy for graphenic materials with various micron- and nano-architectures by templating gamma-alumina, which was transformed from morphology-controllable boehmite. The resulting graphenic materials show perfectly replicated fine structures of the corresponding templates, and they give high specific surface areas in the range of 1149-1867 m(2) g(-1) which are desirable for energy applications. Hydrogen adsorption properties of the templated graphenic materials were evaluated at 77 K, and the samples presented 1.34-1.66 wt% storage capacities near 1.1 bar. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：476 / 485
页数：10
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