Hierarchical Nanocomposites of Polyaniline Nanowire Arrays on Graphene Oxide Sheets with Synergistic Effect for Energy Storage
Hierarchical Nanocomposites of Polyaniline Nanowire Arrays on Graphene Oxide Sheets with Synergistic Effect for Energy Storage
复制标题
具有协同储能效应的氧化石墨烯片上聚苯胺纳米线阵列的多级纳米复合材料
DOI：
10.1021/nn1006539
复制
发表时间：
2010-09-01
期刊：
影响因子：
17.1
通讯作者：
Wei, Zhixiang
中科院分区：
文献类型：
--
作者：
Xu, Jingjing;Wang, Kai;Wei, Zhixiang
我们介绍了一种简单的方法，通过结合一维（1D）导电聚苯胺（PANI）纳米线与二维氧化石墨烯（GO）纳米片构建分级纳米复合材料。聚苯胺纳米线阵列在GO衬底上垂直排列。通过调节苯胺和GO的比例，可以控制PANI纳米线的形貌，这归因于不同的成核过程。通过UV-vis、FTIR和XRD测试进一步证实了PANI GO的纳米复合结构。作为超级电容器电极材料，聚苯胺和氧化石墨烯的复合材料具有更高的电化学容量和更好的稳定性，表现出协同效应。该研究将进一步指导不同维度纳米材料的复合制备功能纳米复合材料。
We introduced a facile method to construct hierarchical nanocomposites by combining one-dimensional (1D) conducting polyaniline (PANI) nanowires with 2D graphene oxide (GO) nanosheets. PANI nanowire arrays are aligned vertically on GO substrate. The morphologies of PANI nanowires can be controlled by adjusting the ratios of aniline to GO, which are attributed to different nucleation processes. The hierarchical nanocomposite structures of PANI GO were further proved by UV-vis, FTIR, and XRD measurements. The hierarchical nanocomposite possessed higher electrochemical capacitance and better stability than each individual component as supercapacitor electrode materials, showing a synergistic effect of PANI and GO. This study will further guide the preparation of functional nanocomposites by combining different dimensional nanomaterials.