One-pot pyrolytic synthesis of mesoporous MCo2O4(4.5) (M = Mn, Ni, Fe, Cu) spinels and its high efficient catalytic properties for CO oxidation at low temperature

被引：54

作者：

Li, Gengnan ^{[1
]}

Li, Liang ^{[1
]}

Shi, Jingjing ^{[1
]}

Yuan, Yinyin ^{[1
]}

Li, Yongsheng ^{[1
]}

Zhao, Wenru ^{[1
]}

Shi, Jianlin ^{[1
,2
]}

机构：

[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Key Lab Ultrafine Mat, Minist Educ, Shanghai 200237, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2014年 / 390卷

关键词：

Mesoporous materials; Spinel structure; CO oxidation; RAY PHOTOELECTRON-SPECTROSCOPY; OXIDE CATALYSTS; CO3O4; COBALT; COPPER; OXYGEN; ABSORPTION; MANGANESE;

D O I：

10.1016/j.molcata.2014.03.012

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：

Meso-structured polycrystalline MCo2O4(4.5) (M = Mn, Ni, Fe, Cu) spinels have been successfully fabricated through one-pot pyrolytic method using homogeneous complex oxalates as precursors. In such a protocol, the pyrolysis products, nano-sized spinel crystallites, connected together to form mesoporous structure. Compared with that through nano-casting method, this strategy is much facial and efficient, and resulting material MnCo2O4.5 calcined at 250 degrees C possesses much higher specific area, excellent catalytic activity and stability for CO oxidation at ambient temperature. The full CO conversion can be achieved at as low as 30 degrees C. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：97 / 104

页数：8

共 31 条

[1] Low temperature CO oxidation over Fe-Co mixed oxide nanocatalysts [J].

Biabani-Ravandi, Abolfazi ;

Rezaei, Mehran .

CHEMICAL ENGINEERING JOURNAL, 2012, 184 :141-146

[2] Mesoporous nanocrystalline mixed metal oxides from heterometallic alkoxide precursors: Cobalt-nickel oxide spinels for propane oxidation [J].

Carreon, Moises A. ;

Guliants, Vadim V. ;

Yuan, Li ;

Hughett, Andrew R. ;

Dozier, Alan ;

Seisenbaeva, Gulaim A. ;

Kessler, Vadim G. .

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 2006, (24) :4983-4988

[3] Low-temperature synthesis of MgxCo1-xCo2O4 spinel catalysts for N2O decomposition [J].

Chellam, U ;

Xu, ZP ;

Zeng, HC .

CHEMISTRY OF MATERIALS, 2000, 12 (03) :650-658

[4] Core-ring structured NiCo2O4 nanoplatelets:: Synthesis, characterization, and electrocatalytic applications [J].

Cui, Bai ;

Lin, Hong ;

Li, Jian-Bao ;

Li, Xin ;

Yang, Jun ;

Tao, Jie .

ADVANCED FUNCTIONAL MATERIALS, 2008, 18 (09) :1440-1447

[5] Mn-containing catalytic materials for the total combustion of toluene: The role of Mn localisation in the structure of LDH precursor [J].

Dula, R. ;

Janik, R. ;

Machej, T. ;

Stoch, J. ;

Grabowski, R. ;

Serwicka, E. M. .

CATALYSIS TODAY, 2007, 119 (1-4) :327-331

[6] Controlled synthesis of highly active mesoporous Co3O4 polycrystals for low temperature CO oxidation [J].

Feng, Yingjun ;

Li, Liang ;

Niu, Shufan ;

Qu, Yan ;

Zhang, Qian ;

Li, Yongsheng ;

Zhao, Wenru ;

Li, Hua ;

Shi, Jianlin .

APPLIED CATALYSIS B-ENVIRONMENTAL, 2012, 111 :461-466

[7] Spinel-type oxide catalysts for low temperature CO oxidation generated by use of an ultrasonic aerosol pyrolysis process [J].

Fortunato, G ;

Oswald, HR ;

Reller, A .

JOURNAL OF MATERIALS CHEMISTRY, 2001, 11 (03) :905-911

[8] The heterogeneous catalytic reduction of NO and N2O mixture by carbon monoxide [J].

Gassan-Zedeh, GZ ;

Seyidbayova, SR .

APPLIED CATALYSIS B-ENVIRONMENTAL, 2003, 42 (04) :359-367

[9] Characterisation by X-ray photoelectron spectroscopy of thin MnxCo3-xO4 (1≥x≥0) spinel films prepared by low-temperature spray pyrolysis [J].

Gautier, JL ;

Rios, E ;

Gracia, M ;

Marco, JF ;

Gancedo, JR .

THIN SOLID FILMS, 1997, 311 (1-2) :51-57

[10] Spectroscopic characterization of Mn-Co-Ce mixed oxides, active catalysts for COPROX reaction [J].

Gomez, Leticia E. ;

Miro, Eduardo E. ;

Boix, Alicia V. .

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2013, 38 (14) :5645-5654

← 1 2 3 4 →