Noninvasively Modifying Band Structures of Wide-Bandgap Metal Oxides to Boost Photocatalytic Activity

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	Noninvasively Modifying Band Structures of Wide-Bandgap Metal Oxides to Boost Photocatalytic Activity
	Yu, ZB; Chen, XQ; Kang, XD; Xie, YP; Zhu, HZ; Wang, SL; Ullah, S; Ma, H; Wang, LZ; Liu, G
刊名	ADVANCED MATERIALS
	2018-04-05
卷号	30 期号:14 页码:-
关键词	Tio2 Photocatalyst Energy-conversion Water Dioxide Nanocrystals Irradiation Absorption Catalysts Facets Sheets
ISSN号	0935-9648
英文摘要	Although doping with appropriate heteroatoms is a powerful way of increasing visible light absorption of wide-bandgap metal oxide photocatalysts, the incorporation of heteroatoms into the photocatalysts usually leads to the increase of deleterious recombination centers of photogenerated charge carriers. Here, a conceptual strategy of increasing visible light absorption without causing additional recombination centers by constructing an ultrathin insulating heterolayer of amorphous boron oxynitride on wide-bandgap photocatalysts is shown. The nature of this strategy is that the active composition nitrogen in the heterolayer can noninvasively modify the electronic structure of metal oxides for visible light absorption through the interface contact between the heterolayer and metal oxides. The photocatalysts developed show significant improvements in photocatalytic activity under both UV-vis and visible light irradiation compared to the doped counterparts by conventional doping process. These results may provide opportunities for flexibly tailoring the electronic structure of metal oxides.; Although doping with appropriate heteroatoms is a powerful way of increasing visible light absorption of wide-bandgap metal oxide photocatalysts, the incorporation of heteroatoms into the photocatalysts usually leads to the increase of deleterious recombination centers of photogenerated charge carriers. Here, a conceptual strategy of increasing visible light absorption without causing additional recombination centers by constructing an ultrathin insulating heterolayer of amorphous boron oxynitride on wide-bandgap photocatalysts is shown. The nature of this strategy is that the active composition nitrogen in the heterolayer can noninvasively modify the electronic structure of metal oxides for visible light absorption through the interface contact between the heterolayer and metal oxides. The photocatalysts developed show significant improvements in photocatalytic activity under both UV-vis and visible light irradiation compared to the doped counterparts by conventional doping process. These results may provide opportunities for flexibly tailoring the electronic structure of metal oxides.
学科主题	Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
语种	英语
资助机构	Major Basic Research Program, Ministry of Science and Technology of China [2014CB239401]; National Science Fund of China [51422210, 51572266, 51629201, 21633009, 51521091]; Key Research Program of Frontier Sciences CAS [QYZDB-SSW-JSC039]; Newton Advanced Fellowship; National Science Fund for Distinguished Young Scholars [51725103]; National Natural Science Foundation of China [51671193, 51474202]; NSFC-Guangdong Joint Fund [U1501501]
公开日期	2018-06-05
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/79372]
专题	金属研究所_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, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.; Liu, G (reprint author), Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式 GB/T 7714	Yu, ZB,Chen, XQ,Kang, XD,et al. Noninvasively Modifying Band Structures of Wide-Bandgap Metal Oxides to Boost Photocatalytic Activity[J]. ADVANCED MATERIALS,2018,30(14):-.
APA	Yu, ZB.,Chen, XQ.,Kang, XD.,Xie, YP.,Zhu, HZ.,...&Liu, G .(2018).Noninvasively Modifying Band Structures of Wide-Bandgap Metal Oxides to Boost Photocatalytic Activity.ADVANCED MATERIALS,30(14),-.
MLA	Yu, ZB,et al."Noninvasively Modifying Band Structures of Wide-Bandgap Metal Oxides to Boost Photocatalytic Activity".ADVANCED MATERIALS 30.14(2018):-.