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Probing the performance of structurally controlled platinum-cobalt bimetallic catalysts for selective hydrogenation of cinnamaldehyde
Su, Jinfang; Shi, Wen; Liu, Xiaochun; Zhang, Liyun; Cheng, Shaobo; Zhang, Ying; Botton, Gianluigi A.; Zhang, Bingsen
2020-08-01
Source PublicationJOURNAL OF CATALYSIS
Volume388Pages:164-170
AbstractThe selective hydrogenation of cinnamaldehyde (CAL) is an extremely important transformation. Herein, oxygen functionalized carbon nanotubes (oCNTs) supported a series of PtxCoy bimetallic nanoparticles (NPs) with varied Pt to Co ratios were synthesized. The introduction of Co significantly affects the electronic structure of Pt NPs, which clearly promotes the selectivity to cinnamyl alcohol (COL). Among all PtxCoy-oCNTs catalysts, PtCo3-oCNTs exhibited the best catalytic performance and a selectivity of over 76% towards COL at a CAL conversion of 99% was obtained. Further characterization of the fresh, used and cycled catalysts revealed that the NP structures were stable and did no change. The structural evolutions during the catalytic reaction were also investigated by identical location transmission electron microscopy (IL-TEM) method in detail, which found that the deactivation of PtCo3-oCNTs catalyst during the cycle experiment results from the agglomeration and detachment of PtCo3 NPs. (C) 2020 Elsevier Inc. All rights reserved.
DOI10.1016/j.jcat.2020.05.015
WOS IDWOS:000539434200016
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82666
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Su, Jinfang,Shi, Wen,Liu, Xiaochun,et al. Probing the performance of structurally controlled platinum-cobalt bimetallic catalysts for selective hydrogenation of cinnamaldehyde[J]. JOURNAL OF CATALYSIS,2020,388:164-170.
APA Su, Jinfang.,Shi, Wen.,Liu, Xiaochun.,Zhang, Liyun.,Cheng, Shaobo.,...&Zhang, Bingsen.(2020).Probing the performance of structurally controlled platinum-cobalt bimetallic catalysts for selective hydrogenation of cinnamaldehyde.JOURNAL OF CATALYSIS,388,164-170.
MLA Su, Jinfang,et al."Probing the performance of structurally controlled platinum-cobalt bimetallic catalysts for selective hydrogenation of cinnamaldehyde".JOURNAL OF CATALYSIS 388(2020):164-170.
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