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首页> 外文期刊>ACS applied materials & interfaces >Large-Area Preparation of High-Quality and Uniform Three-Dimensional Graphene Networks through Thermal Degradation of Graphene Oxide-Nitrocellulose Composites
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Large-Area Preparation of High-Quality and Uniform Three-Dimensional Graphene Networks through Thermal Degradation of Graphene Oxide-Nitrocellulose Composites

机译：通过氧化石墨烯-硝化纤维素复合材料的热降解，大面积制备高质量，均匀的三维石墨烯网络

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摘要

We demonstrate a simple method to prepare high-quality and uniform three-dimensional (3D) graphene networks through thermal degradation of graphene oxide (GO)nitrocellulose composites over a large area. The nitrocellulose simultaneously acts as a support and aids in the reduction of GO by exothermic decomposition. The graphene networks have tunable porous morphology where the pore size can be controlled by adjusting the concentration of GO in the composite. This new technique is a very simple method to obtain 3D graphene networks and has the potential to produce 3D graphene-modified substrates for use in energy storage and conversion applications, in supporting frameworks of catalyst, and in sensors. In this report, the prepared 3D graphene networks were directly used as the electrodes of supercapacitors without using a binding agent and/or conducting additive with a high specific capacitance of 162.5 F g(1) at 0.5 A g(1) current density.
机译：我们演示了一种通过在大面积上热降解氧化石墨烯（GO）硝化纤维复合材料来制备高质量且均匀的三维（3D）石墨烯网络的简单方法。硝酸纤维素同时充当载体，并通过放热分解帮助减少GO。石墨烯网络具有可调节的多孔形态，可通过调节复合材料中GO的浓度来控制孔径。这项新技术是获得3D石墨烯网络的一种非常简单的方法，具有生产3D石墨烯改性的基材的潜力，该基材可用于储能和转化应用，催化剂的支撑框架以及传感器中。在此报告中，所制备的3D石墨烯网络直接用作超级电容器的电极，而无需使用粘合剂和/或在0.5 A g（1）电流密度下具有162.5 F g（1）的高比电容的导电添加剂。

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