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Homogeneous boron doping in a TiO2 shell supported on a TiB2 core for enhanced photocatalytic water oxidation
Yang, YQ; Kang, YY; Liu, G; Cheng, HM; Liu, G (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.; Liu, G (reprint author), Univ Sci & Technol China, Sch Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
2018-03-01
Source PublicationCHINESE JOURNAL OF CATALYSIS
ISSN0253-9837
Volume39Issue:3Pages:431-437
AbstractPhotocatalytic water oxidation for O-2 evolution is known as a bottle neck in water splitting. Various strategies have been conducted to keep the energetics of photogenerated holes or to create more holes in the bulk to reach the surface for efficient photocatalytic water oxidation. Our previous study demonstrated the effectiveness of interstitial boron doping in improving photocatalytic water oxidation by lowering the valence band maximum of TiO2 with a concentration gradient of boron. In this study, homogeneous doping of interstitial boron was realized in a TiO2 shell with mixed anatase/rutile phases that was produced by the gaseous hydrolysis of the surface layer of TiB2 crystals in a moist argon atmosphere. Consequently, the homogeneous doping and lowered valence band maximum improved the energetics of holes for efficient photocatalytic water oxidation. (C) 2018, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.; Photocatalytic water oxidation for O-2 evolution is known as a bottle neck in water splitting. Various strategies have been conducted to keep the energetics of photogenerated holes or to create more holes in the bulk to reach the surface for efficient photocatalytic water oxidation. Our previous study demonstrated the effectiveness of interstitial boron doping in improving photocatalytic water oxidation by lowering the valence band maximum of TiO2 with a concentration gradient of boron. In this study, homogeneous doping of interstitial boron was realized in a TiO2 shell with mixed anatase/rutile phases that was produced by the gaseous hydrolysis of the surface layer of TiB2 crystals in a moist argon atmosphere. Consequently, the homogeneous doping and lowered valence band maximum improved the energetics of holes for efficient photocatalytic water oxidation. (C) 2018, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
description.department[yang, yongqiang ; kang, yuyang ; liu, gang ; cheng, hui-ming] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china ; [kang, yuyang ; liu, gang] univ sci & technol china, sch mat sci, shenyang 110016, liaoning, peoples r china ; [cheng, hui-ming] tsinghua univ, tsinghua berkeley shenzhen inst, shenzhen 518055, guangdong, peoples r china ; [cheng, hui-ming] king abdulaziz univ, ctr excellence environm studies, jeddah 21589, saudi arabia
KeywordVisible-light Absorption Rutile Tio2 Hydrogen Surface Microspheres Preferences Phosphate Catalyst Arrays H-2
Subject AreaChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
Funding OrganizationNational Science Foundation of China [51702327, 51521091]; Major Basic Research Program, Ministry of Science and Technology of China [2014CB239401]; Key Research Program of Frontier Sciences CAS [QYZDB-SSW-JSC039]; IMR SYNL-T.S. Ke Research Fellowship; Newton Advanced Fellowship
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79439
Collection中国科学院金属研究所
Corresponding AuthorLiu, G (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.; Liu, G (reprint author), Univ Sci & Technol China, Sch Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Yang, YQ,Kang, YY,Liu, G,et al. Homogeneous boron doping in a TiO2 shell supported on a TiB2 core for enhanced photocatalytic water oxidation[J]. CHINESE JOURNAL OF CATALYSIS,2018,39(3):431-437.
APA Yang, YQ,Kang, YY,Liu, G,Cheng, HM,Liu, G ,&Liu, G .(2018).Homogeneous boron doping in a TiO2 shell supported on a TiB2 core for enhanced photocatalytic water oxidation.CHINESE JOURNAL OF CATALYSIS,39(3),431-437.
MLA Yang, YQ,et al."Homogeneous boron doping in a TiO2 shell supported on a TiB2 core for enhanced photocatalytic water oxidation".CHINESE JOURNAL OF CATALYSIS 39.3(2018):431-437.
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