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2D Porous TiO2 Single-Crystalline Nanostructure Demonstrating High Photo-Electrochemical Water Splitting Performance
Butburee, Teera1,2,3; Bai, Yang1,2; Wang, Huanjun1,2,8; Chen, Hongjun1,2; Wang, Zhiliang1,2; Liu, Gang4,5; Zou, Jin6; Khemthong, Pongtanawat3; Lu, Gao Qing Max7; Wang, Lianzhou1,2
Corresponding AuthorLiu, Gang(gangliu@imr.ac.cn) ; Wang, Lianzhou(l.wang@uq.edu.au)
2018-05-24
Source PublicationADVANCED MATERIALS
ISSN0935-9648
Volume30Issue:21Pages:8
AbstractPorous single crystals are promising candidates for solar fuel production owing to their long range charge diffusion length, structural coherence, and sufficient reactive sites. Here, a simple template-free method of growing a selectively branched, 2D anatase TiO2 porous single crystalline nanostructure (PSN) on fluorine-doped tin oxide substrate is demonstrated. An innovative ion exchange-induced pore-forming process is designed to successfully create high porosity in the single-crystalline nanostructure with retention of excellent charge mobility and no detriment to crystal structure. PSN TiO2 film delivers a photocurrent of 1.02 mA cm(-2) at a very low potential of 0.4 V versus reversible hydrogen electrode (RHE) for photo-electrochemical water splitting, closing to the theoretical value of TiO2 (1.12 mA cm(-2)). Moreover, the current-potential curve featuring a small potential window from 0.1 to 0.4 V versus RHE under one-sun illumination has a near-ideal shape predicted by the Gartner Model, revealing that the charge separation and surface reaction on the PSN TiO2 photoanode are very efficient. The photo-electrochemical water splitting performance of the films indicates that the ion exchange-assisted synthesis strategy is effective in creating large surface area and single-crystalline porous photoelectrodes for efficient solar energy conversion.
Keyword2D ion-exchange pore-forming porous single-crystalline TiO2 films water splitting
Funding OrganizationAustralian Research Council ; National Natural Science Foundation of China ; Major Basic Research Program, Ministry of Science and Technology of China ; NANOTEC Thailand, Royal Thai Government Scholarship
DOI10.1002/adma.201705666
Indexed BySCI
Language英语
Funding ProjectAustralian Research Council ; National Natural Science Foundation of China[51629201] ; National Natural Science Foundation of China[51422210] ; Major Basic Research Program, Ministry of Science and Technology of China[2014CB239401] ; NANOTEC Thailand, Royal Thai Government Scholarship
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000434032600003
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:81[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128127
Collection中国科学院金属研究所
Corresponding AuthorLiu, Gang; Wang, Lianzhou
Affiliation1.Univ Queensland, Australian Inst Bioengn & Nanotechnol, Nanomat Ctr, St Lucia, Qld 4072, Australia
2.Univ Queensland, Sch Chem Engn, St Lucia, Qld 4072, Australia
3.NSTDA, Natl Nanotechnol Ctr NANOTEC, Klongluang 12120, Pathumthani, Thailand
4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
5.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
6.Univ Queensland, Mat Engn & Ctr Microscopy & Microanal, St Lucia, Qld 4072, Australia
7.Univ Surrey Guildford, Surrey GU2 7XH, England
8.Tsinghua Univ, Dept Chem Engn, Beijing Key Lab Green React Engn & Technol, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Butburee, Teera,Bai, Yang,Wang, Huanjun,et al. 2D Porous TiO2 Single-Crystalline Nanostructure Demonstrating High Photo-Electrochemical Water Splitting Performance[J]. ADVANCED MATERIALS,2018,30(21):8.
APA Butburee, Teera.,Bai, Yang.,Wang, Huanjun.,Chen, Hongjun.,Wang, Zhiliang.,...&Wang, Lianzhou.(2018).2D Porous TiO2 Single-Crystalline Nanostructure Demonstrating High Photo-Electrochemical Water Splitting Performance.ADVANCED MATERIALS,30(21),8.
MLA Butburee, Teera,et al."2D Porous TiO2 Single-Crystalline Nanostructure Demonstrating High Photo-Electrochemical Water Splitting Performance".ADVANCED MATERIALS 30.21(2018):8.
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