| 氧化石墨/PDADMAC多层膜的制备及其电化学性能 |
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| 引用本文： | 朱俊武,吴继科,杨绪杰,陆路德,汪信.氧化石墨/PDADMAC多层膜的制备及其电化学性能[J].南京理工大学学报(自然科学版),2009,33(5). |
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| 作者姓名： | 朱俊武 吴继科 杨绪杰 陆路德 汪信 |
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| 作者单位： | 南京理工大学,化工学院,江苏,南京,210094 |
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| 基金项目： | 江苏省自然科学基金(BK2009391);;南京理工大学“紫金之星”基金 |
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| 摘 要： | 采用静电力层层自组装技术在不同的基底上(玻璃,ITO导电玻璃)制备了多层氧化石墨(GO)/聚二烯丙基二甲基氯化铵(PDADMAC)复合超薄膜,并对其进行了还原处理。采用紫外-可见分光光度计(UV-Vis)、扫描电子显微镜(SEM)、X射线衍射仪(XRD)及Raman光谱仪对膜的结构进行了表征,研究了复合膜的电化学性质。结果发现,在一定浓度的PDADMAC和GO溶液中,交替沉浸较短的时间即可获得厚度均一、表面平整的复合超薄膜;对比不同电极的循环伏安曲线(CV)发现,超薄膜修饰工作电极较空白电极具有较强的电荷传递能力。
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| 关 键 词： | 聚合高分子电解质 层层自组装 氧化石墨 薄膜 |
Preparation of Multi-layered GO/PDADMAC Films and Their Electrochemical Behaviors |
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| ZHU Jun-wu,WU Ji-ke,YANG Xu-jie,LU Lu-de,WANG Xin.Preparation of Multi-layered GO/PDADMAC Films and Their Electrochemical Behaviors[J].Journal of Nanjing University of Science and Technology(Nature Science),2009,33(5). |
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| Authors: | ZHU Jun-wu WU Ji-ke YANG Xu-jie LU Lu-de WANG Xin |
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| Institution: | School of Chemical Engineering;NUST;Nanjing 210094;China |
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| Abstract: | The multi-layered GO/PDADMAC composite ultrathin films absorbed on different substrates(glass,ITO conductive glass) are prepared via an electrostatic layer-by-layer self-assembly technology.The ultrathin films are reduced by hydrazine solution.The microstructures of the self-assembled films are characterized by UV-Vis,SEM,XRD and Raman.In addition,the electrochemical behaviors of the films are also studied.The results show that the composite ultrathin films with smooth surface and uniform thickness can be o... |
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| Keywords: | polyelectrolyte layer-by-layer self-assembly graphite oxide films |
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