Furfural Oxidation on Gold Supported on MnO2: Influence of the Support Structure on the Catalytic Performances

被引：22

作者：

Ferraz, Camila Palombo ^{[1
,2
]}

Marques Da Silva, Anderson Gabriel ^{[2
]}

Rodrigues, Thenner Silva ^{[2
]}

Cury Camargo, Pedro Henrique ^{[2
]}

Paul, Sebastien ^{[1
]}

Wojcieszak, Robert ^{[1
]}

机构：

[1] Univ Lille, Univ Artois, CNRS, Cent Lille,ENSCL,UCCS,UMR 8181, F-59000 Lille, France

[2] Univ Sao Paulo, Inst Quim, Dept Quim Fundamental, Av Prof Lineu Prestes 748, BR-05508000 Sao Paulo, SP, Brazil

来源：

APPLIED SCIENCES-BASEL | 2018年 / 8卷 / 08期

关键词：

gold nanoparticles; oxidation; MnO2; nanoflower; D-GLUCOSE; SELECTIVE OXIDATION; FUROIC ACID; NANOPARTICLES;

D O I：

10.3390/app8081246

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of catalysts consisting of gold nanoparticles supported on MnO2 presenting different morphologies were synthesized and tested in the base-free oxidation of furfural. Ultra-small Au particles (less than 3 nm) were deposited on low (commercial MnO2) and high (NF, nanoflowers and NW, nanowires MnO2) surface area supports. High activity was observed for Au/MnO2-NF material with very high selectivity to furoic acid. The X-ray photoelectron spectroscopy (XPS) study confirmed the presence of a significant amount of highly active Au delta+ species on the surface of the Au/MnO2-NF catalyst. These species seem to be responsible for the high activity in oxidation of furfural under mild conditions (air as oxidant, 110 degrees C).

引用

页数：12

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