期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 57, 期 3, 页码 881-890出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.7b04089
关键词
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资金
- Zhejiang Provincial Natural Science Foundation of China [LY18B060003, LY16B060001, LR18B070001]
- National Science Foundation of China [21576237, 21477114]
- Graduate Innovation Foundation of Zhejiang Gongshang University [15020000334]
Ternary Fe2O3-MoS2-Cu2O nanocomposites were fabricated via electrodeposition and hydrothermal method. The as-prepared photocatalytic films were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The results indicated that MoS2 and Cu2O particles were successfully deposited onto the surface of Fe2O3 particles. MoS2 and Cu2O coloading, achieved a synergetic effect on the improvement of the photoelectrochemical performance of Fe2O3 film. The highest photocurrent density was achieved on Fe2O3-MoS2-Cu2O film, which was 20, similar to 5.5, and 2 times those of Fe2O3, Fe2O3-MoS2, and Fe2O3-Cu2O films, respectively. The excellent photoelectrocatalytic performance was attributed to the Z-scheme electron transfer mechanism, which results in the fast charge transfer and strong redox ability on the ternary composite. This work provides a promising Z-scheme ternary semiconductor for environmental purification and water oxidation.
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