Morphology effect of CeO2 on Ni/CeO2 catalysts for selective hydrogenation of cinnamaldehyde

被引：30

作者：

Wei, Xuejiao ^{[1
]}

Rang, Xiaodong ^{[1
]}

Zhu, Wenhao ^{[1
]}

Xiang, Mei ^{[1
]}

Deng, Yaoyao ^{[1
]}

Jiang, Fuhua ^{[1
]}

Mao, Rui ^{[1
]}

Zhang, Zhenwei ^{[1
]}

Kong, Xianqiang ^{[1
]}

Wang, Fei ^{[2
]}

机构：

[1] Changzhou Inst Technol, Sch Chem Engn & Mat, Changzhou 213032, Jiangsu, Peoples R China

[2] Changzhou Univ, Sch Petrochem Engn, Adv Catalysis & Green Mfg Collaborat Innovat Ctr, Changzhou 213164, Jiangsu, Peoples R China

来源：

CHEMICAL PHYSICS | 2021年 / 542卷

基金：

中国国家自然科学基金;

关键词：

Nickel; Cerium oxide; Morphology effect; Cinnamaldehyde; Hydrogenation; METAL-CATALYSTS; SUPPORTED NI; NANOPARTICLES; METHANATION; NANORODS; CLUSTERS; CO;

D O I：

10.1016/j.chemphys.2020.111079

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A series of CeO2 with different morphologies (nanoparticles, nanorods and nanocubes) supported nickel catalysts were synthesized successfully using the hydrothermal route to investigate the morphology effects of CeO2 on these Ni/CeO2 catalysts for selective hydrogenation of cinnamaldehyde (CAL). Catalytic activities of three Ni/CeO2 catalysts were ranked in the order of Ni/CeO2-R > Ni/CeO2-P > Ni/CeO2-C, which was attributed to the the highest concentration of surface oxygen vacancies in Ni/CeO2-R. These may lead more active surface oxygen and better redox properties on Ni/CeO2-R catalyst. More importantly, Ni/CeO2-R also showed excellent catalytic recycling stability, reflecting the morphological effect of nanocatalysis.

引用

页数：6

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