Hydrogenated hematite nanostructures for high-efficiency solar water oxidation
Zhou Litao
Lv Xiaolin
Nie Yuting
Deng Jiujun
Zhang Hui
Sun Xuhui
Zhong Jun
· 2016
期刊名称：
RSC Advances
2016 年
6 卷
95 期
摘要：
Hydrogenated hematite has been prepared and the effect of oxygen vacancies has been investigated. An obvious cathodic shift (up to 120 mV) of the onset potential can be observed after hydrogenation treatment, revealing the interesting role of oxygen vacancies in hematite to lower the onset potential in contrast to that leading to high onset potential in the literature. The results suggest that the high onset potential should be attributed to the low temperature treatment. The optimized hematite with oxygen vacancies exhibits a high photocurrent of 2.12 mA cm
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