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Defective ZnFe<sub>2</sub>O<sub>4</sub> nanorods with oxygen vacancy for photoelectrochemical water splitting
228
Citations
35
References
2015
Year
Trap SitesOxygen VacanciesCharge TransferEngineeringInorganic PhotochemistryPhoto-electrochemical CellChemistryPhotoelectrochemistryOxygen VacancyPhotocatalysisCharge ExtractionPhotochemistryNanotechnologyOxide ElectronicsHydrogenWater SplittingElectrochemistryOxygen Reduction ReactionApplied Physics
A 1D ZnFe<sub>2</sub>O<sub>4</sub> photoanode is treated under a hydrogen or vacuum atmosphere to improve the photoelectrochemical water oxidation activity up to 20 times. This post-treatment creates oxygen vacancies in the ZnFe<sub>2</sub>O<sub>4</sub> lattice that serve as a source of electron donors and passivates surface trap sites, and as a result improves charge transfer.
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