Pd–Co Bimetallic Nanoparticles Immobilized on Mesoporous Niobium Silica for Selective Hydrogenation of 3-Nitrostyrene

IF 3.8 3区 工程技术 Q2 ENGINEERING, CHEMICAL
Xuhai Zhu, Xiaobing Li, Rongjun Lin, Rui Lu, Fang Lu
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Abstract

Designing efficient catalysts for the preferential hydrogenation of vinyl groups is a pivotal challenge in the production of pharmaceuticals, agrochemicals, fine chemicals, dyes, and other valuable compounds. Herein, we developed evenly dispersed bimetallic Pd–Co nanoparticles on mesoporous silica nanospheres (MSNs) for selective hydrogenation of a model compound 3-nitrostyrene. By tuning the Pd/Co molar ratio and solvents, the efficiency of 3-nitrostyrene hydrogenation to 3-ethylnitrobenzene with the Pd1–Co1/MSN-Nb catalyst was well optimized; while 3-nitrostyrene was converted entirely, the selectivity of 3-ethylnitrobenzene was up to 95%. Moreover, this catalyst was stable and compatible with styrene and its derivatives. Further characterization results indicated that the combined effect of Pd-based metal nanoparticles and MSN-Nb and the electronic interaction between Pd and Co components in the Pd1–Co1/MSN-Nb catalyst have significant importance in the hydrogenation of 3-nitrostyrene. The aforementioned catalytic system will prove invaluable in guiding the selective hydrogenation of vinyl groups.

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来源期刊
Industrial & Engineering Chemistry Research
Industrial & Engineering Chemistry Research 工程技术-工程:化工
CiteScore
7.40
自引率
7.10%
发文量
1467
审稿时长
2.8 months
期刊介绍: ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.
文献相关原料
公司名称 产品信息 采购帮参考价格
麦克林 CoCl2
麦克林 PdCl2
百灵威 Cetyltrimethylammonium bromide (CTAB)
百灵威 tetraethyl orthosilicate (TEOS)
阿拉丁 sodium borohydride (NaBH4)
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