Boosting photocatalytic performance for selective oxidation of biomass-derived pentoses and hexoses to lactic acid using hierarchically porous Cu/Cu2O/CuO@CA

被引：32

作者：

Jin, Dongnv ^{[1
]}

Jiao, Gaojie ^{[1
]}

Ren, Wenfeng ^{[1
]}

Zhou, Jinghui ^{[1
]}

Ma, Jiliang ^{[1
,2
,3
,4
]}

Sun, Runcang ^{[1
]}

机构：

[1] Dalian Polytech Univ, Coll Light Ind & Chem Engn, Liaoning Key Lab Lignocellulose Chem & Biomat, Dalian 116034, Peoples R China

[2] Guangxi Univ, Coll Light Ind & Food Engn, Guangxi Key Lab Clean Pulp & Papermaking & Pollut, Nanning 530004, Peoples R China

[3] Natl Forestry & Grassland Adm, Key Lab Plant Fiber Funct Mat, Fuzhou 350108, Fujian, Peoples R China

[4] Qilu Univ Technol, Shandong Acad Sci, State Key Lab Biobased Mat & Green Papermaking, Jinan 250353, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY C | 2021年 / 9卷 / 46期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

COMPOSITES; CONVERSION; EFFICIENT; CATALYST; XYLOSE; CARBON;

D O I：

10.1039/d1tc03627k

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Photocatalytic-reforming of biomass-derived feedstocks to high-value added chemicals is highly desired, yet limited success has been achieved. To this aim, the development of an efficient, cost-effective, and environmentally friendly photocatalyst is essential. Here, a flower-shaped Cu/Cu2O/CuO composite homogeneously inlayed in the carbon nanosheets of a flexible carbon aerogel (Cu/Cu2O/CuO@CA) was developed via a freeze-drying-calcination strategy, in which the CuO nanobelt precursor was partly converted to Cu and Cu2O. The obtained photocatalyst exhibited excellent and rapid activity in the photocatalytic-reforming of biomass-derived pentoses and hexoses to lactic acid. The photocatalyst also showed excellent stability and reusability, and its practicability was demonstrated in a scale-up experiment. This work paves that phase transition of copper oxide species on carbon nanosheets of aerogels can effectively improve and accelerate the activity of photocatalytic biomass refining.

引用

页码：16450 / 16458

页数：10

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