Cu-Ga2O3 nanoparticles supported on ordered mesoporous silica for the catalytic hydrogenation of cinnamaldehyde

被引：0
|
作者：
Ciotonea, Carmen [1 ,2 ,3 ]
Chirieac, Alexandru [1 ]
Dragoi, Brindusa [1 ]
Catrinescu, Cezar [1 ]
Royer, Sebastien [2 ]
Ungureanu, Adrian [1 ]
机构：
[1] Gheorghe Asachi Tech Univ Iasi, Fac Chem Engn & Environm Protect Cristofor Simione, 73 Prof D Mangeron Bvd, Iasi 700050, Romania
[2] Univ Artois, Univ Lille, CNRS, UCCS Unite Catalyse & Chim Solide,Cent Lille,UMR 8, F-59000 Lille, France
[3] Univ Littoral Cote dOpale, Unite Chim Environm & Interact Vivant UCEIV, UR4492, CNRS,SFR Condorcet FR 3417, 145 Ave Maurice Schumann, F-59140 Dunkerque, France
来源：
COMPTES RENDUS CHIMIE | 2022年 / 25卷
关键词：
Copper; Gallium; Nanoparticles; SBA-15; Hydrogenation; Cinnamaldehyde; COPPER-BASED CATALYSTS; SELECTIVE HYDROGENATION; CHEMOSELECTIVE HYDROGENATION; UNSATURATED ALDEHYDES; P123; SURFACTANT; NANOPARTICLES; CU; GA; CO2; TEMPERATURE;
D O I：
10.5802/crchim.141
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Herein, we show that gallium oxide can function as an efficient promoter for the Cu-catalysed hydrogenation of cinnamaldehyde. SBA-15-supported Cu-Ga2O3 nanoparticles with a constant Cu loading of 5 wt% and two Cu/Ga weight ratios of 5 and 2, respectively, were synthesised by incipient wetness impregnation followed by mild drying. Physico-chemical characterisation revealed that the metal dispersion, and thus the active surface area of copper, can be enhanced nine-fold upon the addition of gallium promoter, boosting the catalytic activity as compared with the unpromoted Cu/SBA-15 catalyst. Likewise, the presence of Ga2O3 improved the selectivity to cinnamyl alcohol.
引用
收藏
页码：81 / 94
页数：15
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