Predicting a new photocatalyst and its electronic properties by density functional theory

A new material CuBiW2O8 is reported here which is suitable for photocatalysts for solar-to-hydrogen generation by splitting water through photoelectrochemical approach. By density functional theory total energy calculations along with extensive mineral database search of relevant oxides, the crystal...

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Veröffentlicht in:Journal of applied physics 2013-10, Vol.114 (13)
Hauptverfasser: Sarker, Pranab, Prasher, Dixit, Gaillard, Nicolas, Huda, Muhammad N.
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container_title Journal of applied physics
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creator Sarker, Pranab
Prasher, Dixit
Gaillard, Nicolas
Huda, Muhammad N.
description A new material CuBiW2O8 is reported here which is suitable for photocatalysts for solar-to-hydrogen generation by splitting water through photoelectrochemical approach. By density functional theory total energy calculations along with extensive mineral database search of relevant oxides, the crystal structures of CuBiW2O8 has been determined, which agrees well with the experimental result. We have analyzed the thermodynamical stability of this material. Its stability was found to be comparable to other well-known oxides, such as CuWO4. The band structure calculation reveals that it has a suitable band gap. In addition to this, density of states and optical absorption calculations show favorable features of a photocatalyst.
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title Predicting a new photocatalyst and its electronic properties by density functional theory
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