Recent advance in Carbon Nitride for Overall Photocatalytic Water Splitting
The increasingly serious energy crisis and environmental issues pose substantial constraints on the development of social society.Photocatalytic overall water splitting without sacrificial agent to gain green hydrogen energy is an advantageous route to overcome this problem.Carbon nitride,a metal-free polymeric photocatalyst,possessed befitting and adjustable band structure,enable it to drive the splitting of the water into hydrogen upon light irradiation,making it a star material in the field of photocatalysis.Here,we summary the recent development in photocatalytic overall water splitting of carbon nitride photocatalysts,including the optimization methods of modifying with co-catalysts,chemical structure control,heterostructure construction,morphology control,and their effects on the efficiency of photocatalytic hydrogen evolution.At the same time,we pinpoint the key obstacles which hinder the development and of carbon nitride-based photocatalysts for overall water splitting and prospect the future research perspectives.
carbon nitrideorganic semiconductorphotocatalysisoverall water splitting
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