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

被引：117
|
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
收藏
页码：3517 / 3523
页数：7
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