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首页> 外文期刊>Microporous and mesoporous materials: The offical journal of the International Zeolite Association >An innovative microwave-assisted method for the synthesis of mesoporous two dimensional g-C3N4: A revisited insight into a potential electrode material for supercapacitors
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An innovative microwave-assisted method for the synthesis of mesoporous two dimensional g-C3N4: A revisited insight into a potential electrode material for supercapacitors

机译：一种创新的微波辅助方法，用于合成介孔二维G-C3N4：对超级电容器的潜在电极材料进行重新探讨

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摘要

Graphitic carbon nitride (g-C3N4) has emerged as an optimal polymeric material for photocatalysis, electronic assemblies, energy storage and conversion applications. The two dimensional (2D) materials posses exotic electronic properties due to abundant active sites extending the potential use in various technological applications. To realize the advancement from laboratory to industrial use of g-C(3)N(4 )a low cost, rapid and large scale production is highly needed. In this work we use microwave-assisted scheme which can overcome these challenges and provide robust, low-cost and scalable approaches to synthesize materials. In present work we designed an innovative method to tailor melamine in microwave reactor by pre-treatment with nitric acid (HNO3) to obtain porous g-C3N4 nanosheets with a thickness of similar to 10 nm. This method provides a degree of freedom to tune C to N ratio by just varying the microwave reaction time. The electrochemical properties of the g-C3N4 are performed using nickel foam in KOH electrolyte. The g-C3N4 nanostructures show a specific capacitance of 287 F/g. The electrochemical behavior of pristine g-C3N4 was also measured using Quartz crystal nanobalance and showed a capacitance of 10 F/g. These studies elucidate the electrochemical behavior of g-C3N4 as supercapacitor material. The devised synthesis method will facilitate new pathways for synthesis of 2D g-C3N4 for applications in energy storage and conversion.
机译：石墨碳氮化物（G-C3N4）已出现为用于光催化，电子组件，能量存储和转换应用的最佳聚合物材料。由于在各种技术应用中延伸潜在使用的丰富的有源网站，二维（2D）材料具有异国情调的电子特性。为了实现G-C（3）N（4）高成本，高度成本，快速和大规模生产的进步。在这项工作中，我们使用微波炉辅助方案，可以克服这些挑战并提供鲁棒，低成本和可扩展的方法来合成材料。在目前的工作中，我们设计了一种通过用硝酸（HNO3）预处理来定制微波反应器中的三聚氰胺的创新方法，以获得多孔G-C3N4纳米片，其厚度与10nm相似。该方法通过改变微波反应时间来提供一种自由度来调节C至N比。使用KOH电解质中的镍泡沫进行G-C3N4的电化学性质。 G-C3N4纳米结构显示287f / g的特定电容。还使用石英晶纳米级纳压测量丙氨酸G-C3N4的电化学行为，并显示10F / g的电容。这些研究阐明了G-C3N4作为超级电容器材料的电化学行为。设计的合成方法将促进合成2D G-C3N4的新途径，以便在能量储存和转换中的应用。

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