<p>Synthesis of monolayer carbon-coated TiO2 as visible-light-responsive photocatalysts</p>

doi:10.1016/j.apmt.2022.101498

IMR OpenIR

	Synthesis of monolayer carbon-coated TiO2 as visible-light-responsive photocatalysts
	Jiao, Wei 1; Zhang, Lili 2; Yang, Ruiquan 1; Ning, Jing 1,3,4; Xiao, Lei 4; Liu, Yifan 1; Ma, Jianyi 5; Mahmood, Nasir 6; Jian, Xian 1,3,4
通讯作者	Mahmood, Nasir(nasir.mahmood@rmit.edu.au) ; Jian, Xian(jianxian@uestc.edu.cn)
	2022-06-01
发表期刊	APPLIED MATERIALS TODAY
ISSN	2352-9407
卷号	27 页码:10
摘要	Increasing visible light absorption and constructing an active surface for TiO2 have long been pursued to obtain high photocatalytic activities. Modifying TiO2 at an atomic scale is desirable to optimize its surface state and band structure but remains a huge challenge. Herein, we developed an ultrasmall (~5 nm) visible-light-responsive TiO2 photocatalyst with a novel hybrid structure (TiO2/C) through a chemical vapor deposition process on large scale. Environmental in-situ transmission electron microscope studies confirmed the anatase TiO2 with a monolayer carbon shell in a hybrid structure. The resulted structure possesses narrowed bandgap 2.83 eV, favoring the enhanced visible-light-responsive photocatalytic activity. Density functional theory (DFT) simulations confirm the tunable mechanism of carbon-induced localized energy band within the bandgap of TiO2. As a physical barrier without turning TiO2 black, the monolayer carbon shell stabilizes Ti3+ inside TiO2, facilitates the separation of photo-induced carriers and enriches abundant absorbing sites of target pollutants. Consequently, the TiO2/C exhibits outstanding photocatalytic performance in both photoelectrochemical water oxidation and dye degradation under visible light besides superior activity for hydrogen evolution under simulated sunlight irradiation. This design proved a meaningful strategy in obtaining visible-light-responsive photocatalysts with a stable active surface for industrial application.
关键词	Monolayer carbon shell TiO2 Visible light absorption Water-splitting Dye degradation
资助者	National Natural Science Foundation of China ; Sichuan Science and Technology Program ; Funda-mental Research Funds for the Chinese Central Universities, China ; Vice-Chancellor fellowship scheme at RMIT University ; ARC Centre of Excellence in Future Low-Energy Electronics Technologies (FLEET) ; RMIT Micro Nano Research Facility (MNRF) in the Victorian node of the Australian National Fabrication Facility (ANFF) ; RMIT Microscopy and Microanalysis Facility (RMMF)
DOI	10.1016/j.apmt.2022.101498
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51402314] ; National Natural Science Foundation of China[51972045] ; National Natural Science Foundation of China[51802316] ; National Natural Science Foundation of China[51927803] ; Sichuan Science and Technology Program[2021YFG0373] ; Funda-mental Research Funds for the Chinese Central Universities, China[ZYGX2019J025] ; Vice-Chancellor fellowship scheme at RMIT University ; ARC Centre of Excellence in Future Low-Energy Electronics Technologies (FLEET)[CE170100039] ; RMIT Micro Nano Research Facility (MNRF) in the Victorian node of the Australian National Fabrication Facility (ANFF) ; RMIT Microscopy and Microanalysis Facility (RMMF)
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:000799727800001
出版者	ELSEVIER
引用统计	被引频次：27[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/174141
专题	中国科学院金属研究所
通讯作者	Mahmood, Nasir; Jian, Xian
作者单位	1.Univ Elect Sci & Technol China, Sch Mat & Energy, Chengdu 611731, Peoples R China 2.Chinese Acad Sci, Inst Met Res IMR, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China 3.Univ Elect Sci & Technol China, Yangtze Delta Reg Inst Huzhou, Huzhou 313001, Peoples R China 4.Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Chengdu 611731, Peoples R China 5.Sichuan Univ, Inst Atom & Mol Phys, Chengdu 610065, Peoples R China 6.RMIT Univ, Sch Engn, Melbourne, Vic 3001, Australia 7.Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Huzhou 313001, Peoples R China
推荐引用方式 GB/T 7714	Jiao, Wei,Zhang, Lili,Yang, Ruiquan,et al. Synthesis of monolayer carbon-coated TiO2 as visible-light-responsive photocatalysts [J]. APPLIED MATERIALS TODAY,2022,27:10.
APA	Jiao, Wei.,Zhang, Lili.,Yang, Ruiquan.,Ning, Jing.,Xiao, Lei.,...&Jian, Xian.(2022). Synthesis of monolayer carbon-coated TiO2 as visible-light-responsive photocatalysts .APPLIED MATERIALS TODAY,27,10.
MLA	Jiao, Wei,et al." Synthesis of monolayer carbon-coated TiO2 as visible-light-responsive photocatalysts ".APPLIED MATERIALS TODAY 27(2022):10.