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- W2020752470 abstract "To investigate the mechanisms of the improvement on separation efficiency of photogenerated carriers, a Fe2O3/SrTiO3 heterojunction semiconductor with an improved separation efficiency was successfully prepared. The heterojunction semiconductor was characterized with X-ray diffraction (XRD), UV–vis absorption spectrum, scanning electron microscope (SEM) and surface photovoltage (SPV) spectroscopy. The energy band diagrams of Fe2O3 and SrTiO3 were determined with X-ray photoelectron spectroscopy (XPS), based on which the conduction band offset (CBO) between Fe2O3 and SrTiO3 was quantified to be 1.26 ± 0.03 eV. The recombination of photogenerated carriers was investigated with photoluminescence (PL) spectrum, which indicates that the formation of Fe2O3/SrTiO3 decreases the recombination. Thus the improved separation efficiency is mainly due to the energy difference between the conduction band edges of Fe2O3 and SrTiO3, and the decreased electron-hole recombination for Fe2O3/SrTiO3." @default.
- W2020752470 created "2016-06-24" @default.
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- W2020752470 creator A5047687159 @default.
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- W2020752470 date "2013-07-01" @default.
- W2020752470 modified "2023-10-12" @default.
- W2020752470 title "Improved separation efficiency of photogenerated carriers for Fe2O3/SrTiO3 heterojunction semiconductor" @default.
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- W2020752470 doi "https://doi.org/10.1016/j.ijhydene.2013.05.064" @default.
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