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Copper-substituted spinel zinc ferrite and magnesium ferrite thin films grown by spray pyrolysis
2018
A few familiar transition metal oxides, have appropriate photoanode for solar-driven photoelectrochemical (PEC) water splitting materials. In particular, iron oxides are cheaper, plenty, n-type semiconductor with a relatively smaller band gap in the visible range compared with other oxides; thus they have been established as a promising candidate for photoanodes. However, application of hematite as a photoanode has been hindered from disadvantage electrical properties. Some experiments have sought to improve the PEC properties of iron oxide by doping with different metals. Most dopants have been shown to increase carrier concentrations, but some have decreased the photocurrent by introducing electron or hole traps. Spinel zinc ferrite and magnesium ferrite (MgxFe3-xO4 and ZnxFe3-xO4) also Copper-substituted spinel zinc ferrite (Cu:MgxFe3-xO4), magnesium ferrite (Cu:ZnxFe3-xO4) films (0water splitting materials. In particular, iron oxides are cheaper, plenty, n-type semiconductor with a relatively smaller band gap in the visible range compared with other oxides; thus they have been established as a promising candidate for photoanodes. However, application of hematite as a photoanode has been hindered from disadvantage electrical properties. Some experiments have sought to improve the PEC properties of iron oxide by doping with different metals. Most dopants have been shown to increase carrier concentrations, but some have decreased the photocurrent by introducing electron or hole traps. Spinel zinc ferrite and magnesium ferrite (MgxFe3-xO4 and ZnxFe3-xO4) also Copper-substituted spinel zinc ferrite (Cu:MgxFe3-xO4), magnesium ferrite (Cu:ZnxFe3-xO4) films (0
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