Hydrogen separation from water molecules by photocatalytic process

Abstract

       Hydrogen energy is considered to be one of the promising energy for the future. There are many advantages including their application in various energy powers, combustion without green house gases etc. In present, a mass hydrogen production is obtained from the steam reforming of hydrocarbon. This method is high production cost as well as large amount of CO2 released. Even though hydrogen can be produced by electrolysis of water but this method is still expensive. Thus, the low cost and environmental friendly methods for hydrogen production become the topic of interest. The interestingly alternative way is application of semiconductor and solar energy for hydrogen separation from water molecules via photocatalytic process. It is a green process and low production cost compare to the original method. In this article, the concept of water splitting by means of photocatalytic process, evolution and development leading to the high quality hydrogen production are discussed.