Heterogeneous hydroxylation catalyzed by multi-walled carbon nanotubes at low temperature

被引：55

作者：

Kang, ZH

Wang, EB ^{[1
]}

Mao, BD

Su, ZM

Gao, L

Niu, L

Shan, HY

Xu, L

机构：

[1] NE Normal Univ, Dept Chem, Div Polyoxometalate Chem, Changchun 130024, Jilin, Peoples R China

[2] NE Normal Univ, Dept Chem, Inst Funct Mat, Changchun 130024, Jilin, Peoples R China

[3] Jilin Univ, Anal Test Ctr, Changchun 130023, Jilin, Peoples R China

[4] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Peoples R China

来源：

APPLIED CATALYSIS A-GENERAL | 2006年 / 299卷

基金：

中国国家自然科学基金;

关键词：

carbon nanotube; heterogeneous catalysis; hydroxylation; aromatic hydrocarbon;

D O I：

10.1016/j.apcata.2005.10.038

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：

In this paper, multi-walled carbon nanotubes (MWCNTs) were directly used as catalysts for the hydroxylation of aromatic hydrocarbons at low temperature (50-70 degrees C). Without the assistance of any solvent or additive, high selectivity was still obtained. The catalysts were characterized by X-ray powder diffraction, infrared spectra, Raman spectra, and transmission electronic microscopy. These results prove that MWCNT was a highly-active, highly-selective, and well-reproductive heterogeneous catalyst. The curved sp(2)-hybridized carbon surfaces of MWCNT played an important role in these selective catalytic reactions. The reactions were proposed to occur via an oxene attacking process. The active oxygen species were generated through the interaction between the hydrogen peroxide and the MWCNTs and subsequently consumed by the aromatic hydrocarbons. This process was repeated in the catalytic reactions. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：212 / 217

页数：6

共 27 条

[1] Mercury(II) immobilized on carbon nanotubes: Synthesis, characterization, and redox properties [J].