氮掺杂石墨烯负载八面体氧化亚铜复合材料的制备及其电催化性能

doi:10.16085/j.issn.1000-6613.2017-0026

化工进展 ›› 2017, Vol. 36 ›› Issue (09): 3316-3322.DOI: 10.16085/j.issn.1000-6613.2017-0026

氮掺杂石墨烯负载八面体氧化亚铜复合材料的制备及其电催化性能

李月华, 张蓉, 姜孟秀, 王文洋

太原理工大学化学化工学院, 山西太原 030024

收稿日期:2017-01-05 修回日期:2017-03-30 出版日期:2017-09-05 发布日期:2017-09-05
通讯作者: 张蓉,博士,教授,研究方向为有机合成、电催化及电分析化学。
作者简介:李月华(1990-),男,硕士研究生,主要研究方向为电分析化学
基金资助:
山西省自然科学基金项目（2013011012-1）。

Synthesis and electrocatalytic performance of nitrogen doped graphene loading octahedral cuprous oxide composite materials

LI Yuehua, ZHANG Rong, JIANG Mengxiu, WANG Wenyang

College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China

Received:2017-01-05 Revised:2017-03-30 Online:2017-09-05 Published:2017-09-05

摘要/Abstract

摘要： 采用改良的Hummers方法制备出氧化石墨烯（GO），接着利用氮气流通过浓氨水将氨气载入管式炉中，与氧化石墨烯混合。在此过程中，氧化石墨烯表面的含氧官能团发生分解、脱离形成活性中心，与浓氨水发生相互作用，从而实现氮的掺杂，同时氧化石墨烯在高温下被还原成石墨烯，最终形成氮掺杂石墨烯N-rGO。采用化学沉淀法将N-rGO与硫酸铜溶液混合，在还原剂水合肼的作用下八面体氧化亚铜被负载到氮掺杂石墨烯上形成复合材料Cu₂O-N-rGO。通过XRD、SEM和XPS手段对其进行表征分析，结果表明氮原子在石墨烯骨架上以吡咯氮、吡啶氮和石墨氮的形式存在，形成的八面体氧化亚铜被均匀地负载到N-rGO表面。采用循环伏安法和计时电流法对该复合材料Cu₂O-N-rGO的催化性能进行测试，实验结果表明，合成的复合材料Cu₂O-N-rGO对葡萄糖和过氧化氢有良好的催化性能。

关键词: 电化学, 催化, 纳米粒子, 氮掺杂石墨烯, 八面体氧化亚铜, 葡萄糖, 过氧化氢

Abstract: Graphene oxide(GO)was prepared from flake graphite through the modified Hummers method. N₂ was used as the carrier gas to feed the saturated vapor of aqueous ammonia into a tube furnace to mix with GO. During the process,the oxygen-containing functional groups on the surface of the graphene oxide decomposed to form active centers,which can interact with aqueous ammonia to realize the nitrogen doping,and graphene oxide was reduced to graphene at high temperature,finally the nitrogen-doped graphene(N-rGO)was obtained. N-rGO was mixed with copper sulfate solution using chemical precipitation method and the octahedral cuprous oxide was supported on the N-rGO to form the composite material of Cu₂O-N-rGO under the assistant of hydrazine hydrate. The composite materials Cu₂O-N-rGO are further characterized by SEM,XRD,and XPS. The results show that N element in the form of pyrrolic-N,pyridine-N and graphite N is observed on the graphene skeleton and the octahedral cuprous oxide also is uniformly loaded into the surface of N-rGO. The electrocatalytic performance of Cu₂O-N-rGO was tested using the cyclic voltammetry(CV)and chronoamperometry. The results indicate that the composite materials Cu₂O-N-rGO have good catalytic performance for glucose and hydrogen peroxide.

Key words: electrochemistry, catalysis, nanoparticles, nitrogen-doped graphene, octahedral cuprous oxide, glucose, hydrogen peroxide

中图分类号:

李月华, 张蓉, 姜孟秀, 王文洋. 氮掺杂石墨烯负载八面体氧化亚铜复合材料的制备及其电催化性能[J]. 化工进展, 2017, 36(09): 3316-3322.

LI Yuehua, ZHANG Rong, JIANG Mengxiu, WANG Wenyang. Synthesis and electrocatalytic performance of nitrogen doped graphene loading octahedral cuprous oxide composite materials[J]. Chemical Industry and Engineering Progress, 2017, 36(09): 3316-3322.

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氮掺杂石墨烯负载八面体氧化亚铜复合材料的制备及其电催化性能

Synthesis and electrocatalytic performance of nitrogen doped graphene loading octahedral cuprous oxide composite materials

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