【摘 要】
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Hematite (α-Fe2O3) has been extensively studied as a promising photocatalyst, with the capacity to split water under visible light. To tune its electronic stru
【机 构】
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ARC Centre of Excellence for Electromaterials Science, School of Chemistry, Monash University, Welli
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Hematite (α-Fe2O3) has been extensively studied as a promising photocatalyst, with the capacity to split water under visible light. To tune its electronic structure and improve the performance for oxygen evolution reaction (OER), high-quality single crystals of α-Fe2O3 nanoparticles were synthesized and doped by various transition metals (M=V, Cr, Mn, Zn, Co, Ni, Cu, Nb, Mo, Ti) by a molten-salt flux method. Optical, electronic and catalytic properties of transition-metal-doped α-Fe2O3 (TM-doped α-Fe2O3) have been systematically investigated. Cobalt has been identified as the best dopant for α-Fe2O3, reducing the OER overpotential by 0.16 V with respect to the undoped.
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