Influence of the metal sites of M-N-C (M = Co, Fe, Mn) catalysts derived from metalloporphyrins in ethylbenzene oxidation

被引：35

作者：

Fu, Lingling ^{[1
]}

Lu, Yijuan ^{[1
]}

Liu, Zhigang ^{[1
]}

Zhu, Runliang ^{[2
]}

机构：

[1] Hunan Univ, Coll Chem & Chem Engn, State Key Lab Chemobiosensing & Chemometr, Changsha 410082, Hunan, Peoples R China

[2] Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China

来源：

CHINESE JOURNAL OF CATALYSIS | 2016年 / 37卷 / 03期

基金：

中国国家自然科学基金;

关键词：

M; (cobalt; iron; manganese)-N-C; Transition metal; Nitrogen-doped carbon; Porphyrin; Ethylbenzene oxidation; NITROGEN-DOPED CARBON; OXYGEN REDUCTION REACTION; ONE-POT METHOD; SELECTIVE OXIDATION; ELECTROCATALYSTS; NANOPARTICLES; PERFORMANCE; HYDROGEN; NANOCOMPOSITE; NANOTUBES;

D O I：

10.1016/S1872-2067(15)61029-4

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Transition metal catalysts M-N-C (M = Co, Fe, Mn) were synthesized by a template-free method by heating meso-tetraphenyl porphyrins (i.e. CoTPP, FeTPPCI, MnTPPCl) precursors. The catalysts were characterized by N-2 adsorption-desorption, thermogravimetry, high-resolution transmission electron microscopy, and Raman and X-ray photoelectron spectroscopy. The selective oxidation of ethylbenzene with molecular oxygen under a solvent-free condition was carried out to explore the catalytic performance of the M-N-Cs, which exhibited different catalytic performance. That was ascribed to the difference in M (Co, Fe, Mn) and different graphitization degree forming during the heating process, in which M (Co, Fe, Mn) might have different catalytic activity on the formation of the M-N-C catalyst. All the M-N-C composites had remarkable recyclability in the selective oxidation of ethylbenzene. (C) 2016, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.

引用

页码：398 / 404

页数：7

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