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Sunlight- driven photocatalytic hydrogen production from water using metal-doped Strontium Titanate perovskite.pdf (240.45 kB)

Sunlight-driven photocatalytic hydrogen production from water using metal-doped strontium titanate perovskite

revised on 30.03.2020, 05:20 and posted on 31.03.2020, 07:19 by Pushkal Sharma, Cheng-Ting Lee, Jeffrey Chi-Sheng Wu
The effects of various metal dopants on the photocatalytic water splitting activity of SrTiO3 -based photocatalysts were investigated using experimental studies. The SrTiO3:Rh (1%) has been found to give the best efficiency in water splitting out of the various metal-doped samples studied. However, the same host doped with other metal dopants such as Fe, V, Ga, and Sb leads to negligible hydrogen evolution even when at least Fe has a better visible light response. Our results accompanied by previously conducted theoretical studies by our group explain the high photocatalytic water splitting activity of Rh doped SrTiO3 . Furthermore, the effects of the amount of catalyst, the proportion of sacrificial agent and pH were studied for the SrTiO3:Rh (1 mol%) along with studying its activity with seawater.


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