Hematite;
Metal doping;
Water splitting;
Oxygen evolution reaction;
PHOTO-FENTON REACTION;
WATER OXIDATION;
PHOTOELECTROCHEMICAL PROPERTIES;
SEMICONDUCTOR ELECTRODES;
EFFECTIVE DOPANTS;
ALPHA-FE2O3;
HEMATITE;
PERFORMANCE;
FILMS;
TRANSPARENT;
D O I:
10.1016/j.pnsc.2018.07.005
中图分类号:
T [工业技术];
学科分类号:
08 ;
摘要:
Hematite (alpha-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 alpha-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 alpha-Fe2O3 (TM-doped alpha-Fe2O3) have been systematically investigated. Cobalt has been identified as the best dopant for alpha-Fe2O3, reducing the OER overpotential by 0.16 V with respect to the undoped.
机构:
Chungnam Natl Univ, Dept Elect Engn, Energy Storage & Convers Lab, Daejeon 34134, South KoreaChungnam Natl Univ, Dept Elect Engn, Energy Storage & Convers Lab, Daejeon 34134, South Korea
Naresh, Bodicherla
Sreekanth, T. V. M.
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机构:
Yeungnam Univ, Sch Mech Engn, Gyongsan 38541, South KoreaChungnam Natl Univ, Dept Elect Engn, Energy Storage & Convers Lab, Daejeon 34134, South Korea
Sreekanth, T. V. M.
Yoo, Kisoo
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机构:
Yeungnam Univ, Sch Mech Engn, Gyongsan 38541, South KoreaChungnam Natl Univ, Dept Elect Engn, Energy Storage & Convers Lab, Daejeon 34134, South Korea
Yoo, Kisoo
Kim, Jonghoon
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机构:
Chungnam Natl Univ, Dept Elect Engn, Energy Storage & Convers Lab, Daejeon 34134, South KoreaChungnam Natl Univ, Dept Elect Engn, Energy Storage & Convers Lab, Daejeon 34134, South Korea
机构:
East China Normal Univ, Engn Res Ctr Nanophoton & Adv Instrument, Sch Phys & Mat Sci, Minist Educ, Shanghai 200062, Peoples R ChinaSuzhou Univ Sci & Technol, Jiangsu Key Lab Environm Funct Mat, Suzhou 215009, Jiangsu, Peoples R China
Wu, Wenjie
Xu, Li
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机构:
Jiangsu Univ, Sch Chem & Chem Engn, Inst Energy Res, Zhenjiang 212013, Jiangsu, Peoples R ChinaSuzhou Univ Sci & Technol, Jiangsu Key Lab Environm Funct Mat, Suzhou 215009, Jiangsu, Peoples R China
Xu, Li
Liu, Qianqian
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机构:
Suzhou Univ Sci & Technol, Sch Mat Sci & Engn, Suzhou Key Lab Nanophoton & Nanoelect Mat & Its D, Suzhou 215009, Jiangsu, Peoples R ChinaSuzhou Univ Sci & Technol, Jiangsu Key Lab Environm Funct Mat, Suzhou 215009, Jiangsu, Peoples R China
Liu, Qianqian
Li, Wanfei
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机构:
Suzhou Univ Sci & Technol, Sch Mat Sci & Engn, Suzhou Key Lab Nanophoton & Nanoelect Mat & Its D, Suzhou 215009, Jiangsu, Peoples R ChinaSuzhou Univ Sci & Technol, Jiangsu Key Lab Environm Funct Mat, Suzhou 215009, Jiangsu, Peoples R China