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Maximizing the visible light photoelectrochemical activity of B/N-doped anatase TiO2 microspheres with exposed dominant {001} facets
Hong, XX; Kang, YY; Zhen, C; Kong, XD; Yin, LC; Irvine, JTS; Wang, LZ; 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 & Engn, Shenyang 110016, Liaoning, Peoples R China.
2018-06-01
发表期刊SCIENCE CHINA-MATERIALS
ISSN2095-8226
卷号61期号:6页码:831-838
摘要Anatase TiO2 microspheres with exposed dominant {001} facets were doped with interstitial boron to have a concentration gradient with the maximum concentration at the surface. They were then further doped with substitutional nitrogen by heating in an ammonia atmosphere at different temperatures from 440 to 560 degrees C to give surface N concentrations ranging from 7.03 to 15.47 at%. The optical absorption, atomic and electronic structures and visible-light photoelectrochemical water oxidation activity of these materials were investigated. The maximum activity of the doped TiO2 was achieved at a nitrogen doping temperature of 520 degrees C that gave a high absorbance over the whole visible light region but with no defect-related background absorption.; Anatase TiO2 microspheres with exposed dominant {001} facets were doped with interstitial boron to have a concentration gradient with the maximum concentration at the surface. They were then further doped with substitutional nitrogen by heating in an ammonia atmosphere at different temperatures from 440 to 560 degrees C to give surface N concentrations ranging from 7.03 to 15.47 at%. The optical absorption, atomic and electronic structures and visible-light photoelectrochemical water oxidation activity of these materials were investigated. The maximum activity of the doped TiO2 was achieved at a nitrogen doping temperature of 520 degrees C that gave a high absorbance over the whole visible light region but with no defect-related background absorption.
部门归属[hong, xingxing ; kang, yuyang ; zhen, chao ; kong, xiangdong ; yin, li-chang ; liu, gang ; cheng, hui-ming] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china ; [hong, xingxing ; kang, yuyang ; liu, gang] univ sci & technol china, sch mat sci & engn, shenyang 110016, liaoning, peoples r china ; [irvine, john t. s.] univ st andrews, sch chem, st andrews ky16 9st, fife, scotland ; [wang, lianzhou] univ queensland, nanomat ctr, sch chem engn, brisbane, qld 4072, australia ; [wang, lianzhou] univ queensland, aibn, brisbane, qld 4072, australia ; [cheng, hui-ming] tsinghua univ, tsinghua berkeley shenzhen inst, shenzhen 518055, peoples r china ; [cheng, hui-ming] king abdulaziz univ, ctr excellence environm studies, jeddah 21589, saudi arabia
关键词Hydrogen-production Titanium-dioxide Energy-conversion Water Oxidation Photocatalyst Irradiation Efficiency
学科领域Materials Science, Multidisciplinary
资助者Major Basic Research Program, Ministry of Science and Technology of China [2014CB239401]; National Natural Science Fundation of China [51422210, 21633009, 51629201, 51521091]; Key Research Program of Frontier Sciences CAS [QYZDB-SSW-JSC039]; Newton Advanced Fellowship
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79292
专题中国科学院金属研究所
通讯作者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 & Engn, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Hong, XX,Kang, YY,Zhen, C,et al. Maximizing the visible light photoelectrochemical activity of B/N-doped anatase TiO2 microspheres with exposed dominant {001} facets[J]. SCIENCE CHINA-MATERIALS,2018,61(6):831-838.
APA Hong, XX.,Kang, YY.,Zhen, C.,Kong, XD.,Yin, LC.,...&Liu, G .(2018).Maximizing the visible light photoelectrochemical activity of B/N-doped anatase TiO2 microspheres with exposed dominant {001} facets.SCIENCE CHINA-MATERIALS,61(6),831-838.
MLA Hong, XX,et al."Maximizing the visible light photoelectrochemical activity of B/N-doped anatase TiO2 microspheres with exposed dominant {001} facets".SCIENCE CHINA-MATERIALS 61.6(2018):831-838.
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