Facile Synthesis of Hierarchically Ordered Porous Carbon via in Situ Self-Assembly of Colloidal Polymer and Silica Spheres and Its Use as a Catalyst Support

被引：169
|
作者：
Zhang, Shiling [1 ]
Chen, Ling [1 ]
Zhou, Shuxue [1 ]
Zhao, Dongyuan [2 ,3 ]
Wu, Limin [1 ,3 ]
机构：
[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China
[2] Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China
[3] Fudan Univ, Adv Mat Lab, Shanghai 200433, Peoples R China
来源：
CHEMISTRY OF MATERIALS | 2010年 / 22卷 / 11期
关键词：
METHANOL FUEL-CELLS; MESOPOROUS CARBON; MACROPOROUS CARBON; MICROPOROUS CARBON; CATHODE CATALYST; PORE STRUCTURE; CRYSTALS; NANOPARTICLES; FABRICATION; PARTICLES;
D O I：
10.1021/cm1002274
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：
This article presents a one-pot method to synthesize hierarchically ordered porous carbons with interconnected macropores and mespores, via in situ self-assembly of colloidal polymer and silica spheres with sucrose as the carbon source. Compared with other techniques, this procedure is veritably simple; neither presynthesis of the macropore/mesopore or crystal templates nor additional infiltration is needed, and the self-assembly of polymer spheres into the crystal template and the infiltration are finished in situ in the same system. The sizes of macropores and mesopores can be independently tuned by the sizes of polymer and silica spheres, respectively. The obtained bimodal porous carbons have large BET surface areas, large pore volumes, and partially graphitized frameworks. They show very good support of the Pt-Ru alloy catalyst in a direct methanol fuel cell.
引用
收藏
页码：3433 / 3440
页数：8
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