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Thin-Layer Fe2TiO5 on Hematite for Efficient Solar Water Oxidation
Deng, JJ; Lv, XX; Liu, JY; Zhang, H; Nie, KQ; Hong, CH; Wang, JO; Sun, XH; Zhong, J; Lee, ST; Hong CH(洪才浩)
2015
发表期刊ACS NANO
卷号9期号:5页码:5348-5356
文章类型Article
摘要A thin Fe2TiO5 layer was produced on hematite either by evaporating a TiCl4 solution on FeOOH or by a simple HF-assisted Ti treatment of FeOOH, both followed by annealing. The prepared Fe2TiO5-hematite heterostructure showed a significant enhancement in photocurrent density compared to that of the pristine hematite. For example, the sample after HF-assisted Ti treatment exhibited a significantly enhanced photocurrent of 2.0 mA/cm(2) at 1.23 V vs RHE. Moreover, the performance of the Fe2TiO5-hematite heterostructure can be further improved by coupling with Co-Pi catalysts, achieving a higher photocurrent of 2.6 mA/cm(2) at 1.23 V vs RHE. Synchrotron-based soft X-ray absorption spectroscopy analyses clearly revealed the existence of an Fe2TiO5 structure on hematite forming a heterojunction, which reduced the photogenerated hole accumulation and then improved the performance.
关键词Ti treatment hematite nanostructures solar water oxidation
学科领域Chemistry; Science & Technology - Other Topics; Materials Science
DOI10.1021/acsnano.5b01028
收录类别SCI ; EI ; MEDLINE
WOS类目Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000355383000070
引用统计
被引频次:49[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228475
专题多学科研究中心
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GB/T 7714
Deng, JJ,Lv, XX,Liu, JY,et al. Thin-Layer Fe2TiO5 on Hematite for Efficient Solar Water Oxidation[J]. ACS NANO,2015,9(5):5348-5356.
APA Deng, JJ.,Lv, XX.,Liu, JY.,Zhang, H.,Nie, KQ.,...&洪才浩.(2015).Thin-Layer Fe2TiO5 on Hematite for Efficient Solar Water Oxidation.ACS NANO,9(5),5348-5356.
MLA Deng, JJ,et al."Thin-Layer Fe2TiO5 on Hematite for Efficient Solar Water Oxidation".ACS NANO 9.5(2015):5348-5356.
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