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Progress in fabrication of one-dimensional catalytic materials by electrospinning technology
Silong Zhu,Longhui Nie 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.93 No.-
Electrospinning technology is regarded as a simple, versatile, and cost-efficient approach in fabricatingone-dimensional (1D) nanomaterials in a large scale. The prepared 1Dfiberous materials byelectrospinning technology possess the merits of large specific surface area, tunable chemicalcomposition, morphology,fiber diameter and high porosity, causing them to be extensively appliedin thefield of catalysis. In this review, wefirstly have a brief introduction to the working principle ofelectrospinning technology and the influence factors to the electrospun materials. Then, we highlight theinvestigations of various 1D electrospunfiberous catalytic materials in the applications of photocatalysis,thermocatalysis, electrocatalysis, and the relations between catalytic properties with composition,unique 1D structure and morphology as well as related catalytic mechanisms are summarized anddiscussed. Finally, a conclusion is presented and future work is prospected.
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Jiangzhou Zhuang,Xiaoyin Jin,Xianlin Shen,Junjun Tan,Longhui Nie,Jian Xiong,Bing Hu 대한화학회 2015 Bulletin of the Korean Chemical Society Vol.36 No.7
A series of catalysts, ionic liquid-modified SBA-15 (denoted ILSBA) doped with H5PMo10V2O40 (HPMoV2) have been synthesized and characterized by XRD, FT-IR, 1H NMR, TG-DTA, and TEM. The catalyst was used for the removal of dibenzothiophene (DBT) in model oil combined with hydrogen peroxide (the oxidant) and acetonitrile (the phase-transfer agent). It was observed that the sulfur content of DBT can be reduced from 500 to 2 ppm by adjusting the amount of catalyst, the reaction temperatures and the reaction time. Besides, the catalyst activity for different sulfur compounds showed a huge difference which may be mainly affected by the electron densities of sulfur atom. Moreover, the catalyst can be recycled seven times without a significant loss in activity, which could be ascribed to the strong electrostatic interaction between ILSBA and HPMoV2. In addition, a postulated mechanism was proposed to reveal the oxidative desulfurization process.
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