石墨烯在光催化中的应用和研究进展

Progress in application and research of graphene in photocatalysis

作为一种新型纳米材料,石墨烯在很多领域都有着广泛的应用,受到了研究者们的高度关注。光催化材料和技术在解决能源和环境问题方面有着非常广阔的应用前景。石墨烯基纳米复合材料具有优良的导电性和电子迁移率、高吸附活性、高比表面积和透明度等优点,可作为一种新型的光催化剂,应用于解决我国日益严重的环境污染问题,加速推进新型能源的发展利用。在光催化应用方面,石墨烯及其复合材料由于具有材料低价易得、光生电子传输性良好和绿色环保等优点,可以在光催化降解有机物、光催化水解制氢和光催化还原二氧化碳中发挥独特作用。介绍了石墨烯材料在光催化领域中的应用,归纳总结了石墨烯参与光催化过程的可能机制。随着石墨烯在光催化领域中应用的快速发展,及时总结和讨论石墨烯在这些领域应用中的最新进展有着非常重要的意义。

As a new nanomaterial,graphene has been widely used in many fields,and has received extensive attention from researchers.Photocatalytic materials and technologies have very broad application prospects in solving energy and environmental problems.Graphene-based nanocomposites have excellent electronic conductivity and electron mobility,high adsorption activity,high specific surface area and transparency,and can be used as a new type of photocatalyst to solve the increasingly serious environmental pollution problem in China and accelerate the development and utilization of new energy.In terms of application in photocatalysis,graphene and its composites can be distinctively used in photocatalytic degradation of organics,photocatalytic hydrolysis of hydrogen and photocatalytic reduction of CO_(2)due to their low price and easy availability,good photogenerated electron transport and environmental protection.This review introduces the application of graphene materials in the field of photocatalysis,and summarizes several possible mechanisms of graphene participating in the photocatalytic process.With the rapid growth of graphene application in the field of photocatalysis,it is important to summarize and discuss in time the latest progress of graphene application in these fields.