Journal
FUEL
Volume 220, Issue -, Pages 607-620Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2018.02.068
Keywords
Hydrogen generation; TiO2 nanomaterials; Semiconductor photocatalysts; Sol-gel method; Dye sensitization; Hydrogen fuel
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Funding
- Indian Institute of Technology (ISM), Dhanbad
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Photocatalytic water-splitting technology by using nano-sized TiO2 can produce low cost and environment-friendly hydrogen using renewable resource such as solar energy, which can fulfil the future requirements of energy. Nano-sized TiO2 is highly efficient as a semiconductor photocatalyst possessing high surface area. The significant drawbacks of utilising TiO2 as photocatalysts are reduced absorption capacity of visible radiation and fast recombination of photoexcited electron/hole (e(-)/h(+)) pair. Its activity is restricted to UV light, which is only similar to 3-5% of the solar spectrum. This present review elucidates various aspects and the recent researches related to TiO2 nano photocatalysis for the effective solar hydrogen generation via photocatalytic water splitting technology.
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