Pt(C5H9)2 CVD合成高分散Pt/SBA-15氯硝基苯加氢催化剂

Chemical Vapor Deposition Pub Date : 2014-05-02 DOI:10.1002/cvde.201307091

Manman Jiang, Mingming Zhang, Chuang Li, Christopher T. Williams, Changhai Liang

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引用次数: 6

摘要

在y管反应器中，采用Pt(C5H9)2的金属-有机(MO)气相沉积(CVD)法制备了负载不同负载的介孔二氧化硅SBA-15材料上的Pt。以二氯(1,5-环二烯)铂((COD)PtCl2)与戊-4-烯-1-酰基溴化镁为原料，成功制备了前驱体Pt(C5H9)2，并通过质子核磁共振(1H-NMR)进行了验证。透射电镜(TEM)显示，平均尺寸为4.6±1.1 nm的Pt纳米颗粒均匀分布在SBA-15上。Pt/SBA-15对邻氯硝基苯(o-CNB)的加氢性能进行了测试，具有较高的催化活性(97%)和选择性(72%)。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

CVD of Pt(C5H9)2 to Synthesize Highly Dispersed Pt/SBA-15 Catalysts for Hydrogenation of Chloronitrobenzene†

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CVD of Pt(C5H9)2 to Synthesize Highly Dispersed Pt/SBA-15 Catalysts for Hydrogenation of Chloronitrobenzene†

Pt supported on mesoporous silica SBA-15 materials with various loadings are controllably synthesized by metal-organic(MO)CVD of Pt(C₅H₉)₂ in a Y-tube reactor. The precursor, Pt(C₅H₉)₂, is successfully prepared by the reaction of dichloro(1,5-cyclooctadiene)platinum ((COD)PtCl₂) with pent-4-en-1-ylmagnesium bromide, which is confirmed by proton nuclear magnetic resonance (¹H-NMR). Transmission electron microscopy (TEM) images show that Pt nanoparticles with an average size of 4.6 ± 1.1 nm are dispersed uniformly onto the SBA-15. The performance of Pt/SBA-15 for the hydrogenation of o-chloronitrobenzene (o-CNB) is tested, and is able to achieve high catalytic activity (97%) and selectivity (72%).

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来源期刊

Chemical Vapor Deposition 工程技术-材料科学：膜

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Chemical Vapor Deposition (CVD) publishes Reviews, Short Communications, and Full Papers on all aspects of chemical vapor deposition and related technologies, along with other articles presenting opinion, news, conference information, and book reviews. All papers are peer-reviewed. The journal provides a unified forum for chemists, physicists, and engineers whose publications on chemical vapor deposition have in the past been spread over journals covering inorganic chemistry, materials chemistry, organometallics, applied physics and semiconductor technology, thin films, and ceramic processing.