Direct Synthesis of MOF-Derived Nanoporous Carbon with Magnetic Co Nanoparticles toward Efficient Water Treatment

被引：631

作者：

Torad, Nagy L. ^{[1
,2
]}

Hu, Ming ^{[1
]}

Ishihara, Shinsuke ^{[1
]}

Sukegawa, Hiroaki ^{[3
]}

Belik, Alexis A. ^{[1
]}

Imura, Masataka ^{[1
]}

Ariga, Katsuhiko ^{[1
]}

Sakka, Yoshio ^{[4
]}

Yamauchi, Yusuke ^{[1
,2
,5
]}

机构：

[1] Natl Inst Mat Sci, World Premier Int WPI Res Ctr Mat Nanoarchitect M, Tsukuba, Ibaraki 3050044, Japan

[2] Waseda Univ, Fac Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan

[3] Natl Inst Mat Sci, Magnet Mat Unit, Tsukuba, Ibaraki 3050047, Japan

[4] Natl Inst Mat Sci, Mat Proc Unit, Tsukuba, Ibaraki 3050047, Japan

[5] Japan Sci & Technol Agcy JST, Precursory Res Embryon Sci & Technol PRESTO, Kawaguchi, Saitama 3320012, Japan

来源：

SMALL | 2014年 / 10卷 / 10期

关键词：

METAL-ORGANIC FRAMEWORK; ZEOLITIC IMIDAZOLATE FRAMEWORK; POROUS COORDINATION POLYMER; ORDERED MESOPOROUS CARBON; HIGH-SURFACE-AREA; DIRECT CARBONIZATION; AQUEOUS-SOLUTION; METHYLENE-BLUE; CATALYTIC GRAPHITIZATION; STOBER METHOD;

D O I：

10.1002/smll.201302910

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nanoporous carbon particles with magnetic Co nanoparticles (Co/NPC particles) are synthesized by one-step carbonization of zeolitic imidazolate framework-67 (ZIF-67) crystals. After the carbonization, the original ZIF-67 shapes are preserved well. Fine magnetic Co nanoparticles are well dispersed in the nanoporous carbon matrix, with the result that the Co/NPC particles show a strong magnetic response. The obtained nanoporous carbons show a high surface area and well-developed graphitized wall, thereby realizing fast molecular diffusion of methylene blue (MB) molecules with excellent adsorption performance. The Co/NPC possesses an impressive saturation capacity for MB dye compared with the commercial activated carbon. Also, the dispersed magnetic Co nanoparticles facilitate easy magnetic separation.

引用

页码：2096 / 2107

页数：12

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