树枝状钯纳米结构的控制合成及硝基苯加氢反应的催化活性

引用本文: 谢婷, 刘浩文, 杨汉民. 树枝状钯纳米结构的控制合成及硝基苯加氢反应的催化活性[J]. 物理化学学报, doi: 10.3866/PKU.WHXB201207031 shu

Citation: XIE Ting, LIU Hao-Wen, YANG Han-Min. Control Synthesis of Branched Palladium Nanostructures and the Catalytic Activity on Hydrogenation Reaction of Nitrobenzene[J]. Acta Physico-Chimica Sinica, doi: 10.3866/PKU.WHXB201207031 shu

树枝状钯纳米结构的控制合成及硝基苯加氢反应的催化活性

基金项目:
中央高校基本科研业务费用专项基金(ZZY10004)资助 (ZZY10004)

摘要:

以氯钯酸为前驱体, 苯甲醇为还原剂和溶剂, 十六烷基吡咯烷酮(PVP)为稳定剂, 在微波辐射下制备了分散均匀、形貌均一的树枝状钯纳米结构. 产物用透射电子显微镜(TEM), X射线粉末衍射(XRD), X射线光电子能谱(XPS)进行了表征, 表明所制备的Pd纳米颗粒呈树枝状, 形貌单一, 分散均匀, 是由许多近似圆形的小颗粒自组装而成的二级结构. 对树枝状钯催化硝基苯加氢反应进行探究, 表明树枝状钯的催化活性比市售的钯碳催化剂的催化活性高.

关键词:

English

Control Synthesis of Branched Palladium Nanostructures and the Catalytic Activity on Hydrogenation Reaction of Nitrobenzene

1.
College of Chemistry and Material Science, South-Central University for Nationalities, Wuhan 430074, P. R. China
Received Date: 15 May 2012
Available Online: 02 August 2012
Fund Project:
中央高校基本科研业务费用专项基金(ZZY10004)资助

Abstract:

Branched palladium nanostructures were synthesized under microwave irradiation using polyvinylpyrrolidone (PVP) as stabilizer and benzyl glycol as the reducing agent of H₂PdCl₄. Morphology and structure were characterized by transmission electron microscopy (TEM), X-ray powder diffraction (XRD), and X-ray photoelectron spectroscopy (XPS), and showed that the branched Pd nanostructures were self-assemblies of hundreds of small spherical nanoparticles. Furthermore, catalytic properties of the branched Pd nanostructures were investigated for the hydrogenation of nitrobenzene, which indicated that the catalytic activity of the branched Pd nanostructures for this reaction is higher than that of a conventional Pd/C catalyst.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

树枝状钯纳米结构的控制合成及硝基苯加氢反应的催化活性

English

Control Synthesis of Branched Palladium Nanostructures and the Catalytic Activity on Hydrogenation Reaction of Nitrobenzene

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

树枝状钯纳米结构的控制合成及硝基苯加氢反应的催化活性

English

Control Synthesis of Branched Palladium Nanostructures and the Catalytic Activity on Hydrogenation Reaction of Nitrobenzene

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs