Enhanced Mn-Co synergies of manganese-cobalt spinel oxide for efficient aerobic oxidation of benzyl alcohol

被引：5
|
作者：
Ren, Aoxia [1 ]
Hu, Xiaoyan [1 ]
Feng, Rui [1 ]
Li, Tianbo [1 ]
Yang, Feifei [1 ]
Zhao, Guofeng [2 ]
Yan, Xinlong [1 ]
机构：
[1] China Univ Min & Technol, Jiangsu Prov Engn Res Ctr Fine Utilizat Carbon Res, Sch Chem Engn & Technol, Xuzhou 221116, Peoples R China
[2] Anhui Normal Univ, Sch Chem & Mat Sci, Wuhu 241002, Peoples R China
来源：
MOLECULAR CATALYSIS | 2024年 / 560卷
基金：
中国国家自然科学基金;
关键词：
Oxidation; Manganese cobalt oxide; Spinel; Mn-Co interaction; SELECTIVE OXIDATION; CATALYTIC-OXIDATION; SUBSTITUTION; CO3O4; HYDROGENATION; PERFORMANCE;
D O I：
10.1016/j.mcat.2024.114121
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：
The synthesis of manganese-cobalt oxide with outstanding activity and selectivity toward benzyl alcohol oxidation using air as oxidant is reported in this work. The as-synthesized catalysts were characterized by X-ray diffraction, N2 physisorption, Scanning Electron Microscopy, Raman Spectroscopy, X-ray Photoelectron Spectroscopy and Temperature Programmed Reduction/Desorption/Oxidation techniques. The catalysts with different Mn/Co ratio show obviously different morphologies and structures. The Mn1Co2 with spinel MnCo2O4 structure exhibits the lowest activation energy, as well as the best performances toward benzyl alcohol oxidation. It is considered that excellent performances is related to the good reducibility and reactivity of oxygen species, oxygen activation ability, in virtue of the close Mn-Co interaction with in the MnCo2O4 structure.
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页数：8
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