Effect of Anodizing Temperature on Surface Morphology Evolution of Sputtered Hematite Films: A Potential Post-Treatment Method for Further Photoelectrochemical Performance Enhancement
Vacuum(2016)
摘要
In this study, effect of anodization temperature on the photoelectrochemical (PEC) performance of nanostructured hematite films prepared by anodizing the sputtered iron films on the fluorine-doped SnO2 glass substrate was investigated. It was noted that increasing the anodization temperature would induce the hematite nanostructure developing from film-like to nanorod morphology. Importantly, this morphology transformation is noted to accompany with the enhanced PEC performance up to 0.59 mA/cm(2) (nanorod structured anodized at 60 degrees C). Our results clearly demonstrated that the potential of post-treatment using anodization to further enhance the PEC performance of hematite films. (C) 2016 Elsevier Ltd. All rights reserved.
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关键词
Anodization,Anodizing temperature effect,alpha-Fe2O3 nanostructures,Hematite,Photoelectrochemical water splitting
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