Facile-fabricated iron oxide nanorods as a catalyst for hydrogenation of nitrobenzene |
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Authors: | Yanshuang Ma Liyun Zhang Wen Shi Yiming Niu Bingsen Zhang Dangsheng Su |
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Institution: | a Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China;
b School of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China |
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Abstract: | β-FeOOH nanorods were prepared by a poly ethylene glycol (PEG) assisted precipitation of FeCl3·6H2O aqueous solution with urea. Na2CO3 aqueous solution was introduced to maintain their shapes under annealing. The one-dimensional porous iron oxide nanorods were synthesized successfully. The asprepared catalysts were characterized by X-ray diffraction, transmission electron microscopy, N2 adsorption-desorption isotherms and X-ray photoelectron spectroscopy. The hydrogenation of nitrobenzene to aniline was taken as probe reaction to evaluate their catalytic performance. FeOOH (iron oxides hydroxide) nanorods, fabricated by annealing β-FeOOH nanorods at 250℃ in Ar atmosphere for 4 h, exhibited high catalytic activity for the transfer hydrogenation of nitrobenzene to aniline with hydrazine hydrate as hydrogen donors. |
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Keywords: | Microstructure Iron oxide hydroxide Transfer hydrogenation Oxygen species |
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