Citation: Jia Wang, Yajie Zhang, Jiangyong Diao, Jiayun Zhang, Hongyang Liu, Dangsheng Su. A MoS₂ nanocatalyst with surface-enriched active sites for the heterogeneous transfer hydrogenation of nitroarenes[J]. Chinese Journal of Catalysis, ;2018, 39(1): 79-87. doi: 10.1016/S1872-2067(17)62925-5 shu

A MoS₂ nanocatalyst with surface-enriched active sites for the heterogeneous transfer hydrogenation of nitroarenes

Jia Wang ^a,b, ,
Yajie Zhang ^a,c ,
Jiangyong Diao ^a ,
Jiayun Zhang ^a,c ,
Hongyang Liu ^a ,
Dangsheng Su ^a,d

a Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China;
b State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, Gansu, China;
c School of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, Liaoning, China;
d Energy Research Resources Division, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China

Received Date: 30 August 2017
Revised Date: 28 September 2017

Fund Project: This work was supported by the Ministry of Science and Technology (MOST, 2016YFA0204100 and 2011CBA00504), the National Natural Science Foundation of China (21573254, 91545110), the Youth Innovation Promotion Association (CAS), and the Sinopec China.

A highly efficient and reusable plane-curved and interlayer-expanded MoS₂ nanocatalyst with increased exposure of active sites was prepared. The catalyst was used for the heterogeneous hydrogen transfer reaction of nitroarenes with hydrazine monohydrate as a reductant under mild reaction conditions without pressure and base, which was different from other hydrogen transfer systems that require the presence of a base (e.g., propan-2-ol/KOH). The sandwiching of carbon between the MoS₂ nanosheets increased the distance between the layers of MoS₂ and exposed more Mo sites, resulting in superior catalytic performance compared with that of bulk MoS₂ catalyst. The active hydrogen (H*) generated from N₂H₄ could directly transfer to the -NO₂ groups of nitrobenzene to form aniline followed by N₂ emission, which was confirmed by detecting the gas emission with mass spectrometry during the decomposition of hydrazine or the co-existence of nitrobenzene and hydrazine.
- Molybdenum disulfide,
- Interlayer expansion,
- Hydrogen transfer reaction,
- Nitrobenzene reduction,
- Alkali-free
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南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com

A MoS₂ nanocatalyst with surface-enriched active sites for the heterogeneous transfer hydrogenation of nitroarenes