石墨烯及其复合材料光催化制氢研究新进展

Research progress of hydrogen generation in photocatalysis of graphene and graphene composite materials

随着经济的发展和人民生活水平的提高,环境污染与能源短缺问题日益严重,亟待解决.氢气作为一种清洁能源,由于其能量密度高,运输储存方便且产物不会造成环境污染,成为了公认的化石能源的良好替代品.通过光催化降解水,可以实现氢能源的无污染生产,这项技术正受到各国学者的高度关注.石墨烯在能量储存、液晶器件、电子器件、生物材料、传感材料和催化剂载体等领域都展现出了优良性能,尤其是其复合材料可作为光催化降解水的催化剂,具有十分广阔的应用前景,综述了近年来在光催化制氢领域的重要研究进展,并对光催化制氢的未来发展进行了展望.

With the development of economy and increasing of people's living standards,the problem of environmental pollution and energy shortage is becoming serious and needed to be solved urgently.Hydrogen,as a clean energy source,due to its high energy density,convenient to transport and storage,and environmentally-friendly products,has become a recognized substitute for fossil fuels.Non-polluting production of hydrogen energy can be realized through degradation of water via photocatalysis.This technology is now paid great attention by scholars all over the world.Graphene has shown excellent properties in the fields of energy storage,liquid crystal devices,electronic devices,biomaterials,sensing materials and catalyst carriers.Especially the composite material can be used as a catalyst for degradation of water to generate hydrogen,which has a very broad application prospect.The important research progress in hydrogen generation in recent years and the future development of hydrogen generation via photocatalysis have been reviewed.