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Ag-石墨烯纳米复合材料的室温制备及其结构分析
  • ISSN号：1000-6281
  • 期刊名称：电子显微学报
  • 时间：2011.6.6
  • 页码：187-190
  • 分类：TB383[一般工业技术—材料科学与工程] TG115.215.3[金属学及工艺—物理冶金;金属学及工艺—金属学]
  • 作者机构：[1]东南大学-FEI纳皮米中心,MEMS教育部重点实验室,东南大学电子科学与工程学院,江苏南京210096
  • 相关基金：国家本科生科研训练计划项目（SRTP No.091028621）; 江苏省博士后资助计划（No.1001014B）; 中国博士后资助计划（20100481085）; 国家基础研究计划项目（No.2011CB707601和2009CB623702）; 国家自然科学基金资助项目（No.51071044 60976003和61006011）; 东南大学生物电子学国家重点实验室开放研究基金项目
  • 相关项目：金属-碳纳米管接触的原位构建及其界面微结构与电学性质研究
作者： 尹奎波|朱逸宇|韩宇龙|赵安璞|李萍萍|周明杰|孙立涛|
关键词： Ag-石墨烯纳米复合材料, TEM, XRD, XPS, 拉曼光谱, Ag-Graphene nanocomposites, TEM, XRD, XPS, Raman spectra
中文摘要：

在室温条件下利用水合肼将氧化石墨烯和AgNO3还原获得Ag-石墨烯纳米复合材料,并利用X射线光电子能谱（XPS）,X射线衍射（XRD）,X射线能谱（EDX）及高分辨透射电镜（HRTEM）等方法对制备的纳米复合材料进行分析。结果表明：Ag-石墨烯复合材料中石墨烯的含氧官能团数量大幅降低,氧化石墨烯已被还原为石墨烯;Ag纳米颗粒附着在石墨烯表面,Ag纳米颗粒的平均尺寸为25 nm,该复合材料表现出很强的表面增强拉曼效应,有望在非线性光学、传感器、电催化等领域获得广泛应用。

英文摘要：

Silver-graphene nanocomposites were fabricated at room-temperature based on graphene oxide and AgNO3 via a facile chemical reaction.The structure characterizations of Ag-graphene nanocomposites were studied by using XPS,XRD,TEM,and Raman,respectively.The number of oxygen functional groups on Ag-graphene sheets decreases dramatically,which implies that graphene oxide has been reduced to graphene.Ag nanoparticles adhering to the surface of graphene have an average grain size of about 25 nm.The Ag-graphene nanocomposites prepared in this study present a strong Surface Enhanced Raman Scattering effect,which have potential applications in sensors,nonlinear optics and electrocatalysis.

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期刊信息
  • 《电子显微学报》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国物理学会
  • 主编：张 泽
  • 地址：北京市海淀区中关村北二条13号5号楼301
  • 邮编：100190
  • 邮箱：dzxwxb@blem.ac.cn
  • 电话：010-82671519 62565522/3301
  • 国际标准刊号：ISSN：1000-6281
  • 国内统一刊号：ISSN：11-2295/TN
  • 邮发代号:
  • 获奖情况:
  • 曾获《中国科技论文统计源期刊（中国科技核心期刊）》,《中国科学引文数据库(核心库)》来源期刊,中国自然科学核心期刊（无线电电子学、电信技术类...
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  • 被引量:6569