Photocatalytic Selective Oxidation of 5-Hydroxymethylfurfural to 2,5-Diformylfuran over Nb2O5 under Visible Light

被引：120

作者：

Zhang, Huili ^{[1
]}

Wu, Qi ^{[1
]}

Guo, Cong ^{[1
]}

Wu, Ying ^{[1
]}

Wu, Tinghua ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Inst Phys Chem, Zhejiang Key Lab React Chem Solid Surfaces, Jinhua 321004, Peoples R China

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2017年 / 5卷 / 04期

关键词：

5-Hydroxymethylfurfural; 2,5-Diformylfuran; Photocatalytic oxidation; Visible light irradiation; Nb2O5; MODIFIED TIO2 PHOTOCATALYSTS; EFFICIENT AEROBIC OXIDATION; CONVERSION; COMPOSITE; BIOMASS; MECHANISM; CELLULOSE; ALCOHOLS; FUELS; OXIDE;

D O I：

10.1021/acssuschemeng.7b00231

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The photocatalytic selective oxidation of biomass derivate compound 5-hydroxymethylfurfural (HMF) to 2,5-diformylfuran is an environmentally friendly and energy-saving process. Nb2O5 was prepared and applied in the oxidation of HMF under visible light, although its bandgap energy is higher than 3.2 eV. The reaction process follows a special mechanism over a Nb2O5 catalyst different from the normal oxide semiconductor. The effect of calcination temperature, incident wavelength, and reaction time on photocatalytic performance was investigated. Nb2O5-800 exhibits the best performance in the presence of O-2 with benzotrifluoride as a solvent under visible light irradiation.

引用

页码：3517 / 3523

页数：7

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