IMR OpenIR
Synergistic crystal facet engineering and structural control of WO3 films exhibiting unprecedented photoelectrochemical performance
Wang, Songcan; Chen, Hongjun; Gao, Guoping; Butburee, Teera; Lyu, Miaoqiang; Thaweesak, Supphasin; Yun, Jung-Ho; Du, Aijun; Liu, Gang; Wang, Lianzhou; Wang, LZ (reprint author), Univ Queensland, Nanomat Ctr, Sch Chem Engn, Brisbane, Qld 4072, Australia.; Wang, LZ (reprint author), Univ Queensland, Australian Inst Bioengn & Nanotechnol, Brisbane, Qld 4072, Australia.; Liu, G (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-06-01
发表期刊NANO ENERGY
ISSN2211-2855
卷号24页码:94-102
摘要WO3 nanoplate arrays with (002) oriented facets grown on fluorine doped SnO2 (FTO) glass substrates are tailored by tuning the precursor solution via a facile hydrothermal method. A 2-step hydrothermal method leads to the preferential growth of WO3 film with enriched (002) facets, which exhibits extraordinary photoelectrochemical (PEC) performance with a remarkable photocurrent density of 3.7 mA cm(-2) at 1.23 V vs. revisable hydrogen electrode (RHE) under AM 1.5 G illumination without the use of any cocatalyst, corresponding to similar to 93% of the theoretical photocurrent of WO3. Density functional theory (DFT) calculations together with experimental studies reveal that the enhanced photocatalytic activity and better photo-stability of the WO3 films are attributed to the synergistic effect of highly reactive (002) facet and nanoplate structure which facilitates the photo-induced charge carrier separation and suppresses the formation of peroxo-species. Without the use of oxygen evolution cocatalysts, the excellent PEC performance, demonstrated in this work, by simply tuning crystal facets and nanostructure of pristine WO3 films may open up new opportunities in designing high performance photo anodes for PEC water splitting. (C) 2016 Elsevier Ltd. All rights reserved.
部门归属[wang, songcan ; chen, hongjun ; butburee, teera ; lyu, miaoqiang ; thaweesak, supphasin ; yun, jung-ho ; wang, lianzhou] univ queensland, nanomat ctr, sch chem engn, brisbane, qld 4072, australia ; [wang, songcan ; chen, hongjun ; butburee, teera ; lyu, miaoqiang ; thaweesak, supphasin ; yun, jung-ho ; wang, lianzhou] univ queensland, australian inst bioengn & nanotechnol, brisbane, qld 4072, australia ; [gao, guoping ; du, aijun] queensland univ technol, fac sci & engn, sch chem phys & mech engn, gardens point campus, brisbane, qld 4001, australia ; [liu, gang] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
关键词Photoelectrochemical Water Splitting Facet Engineering Synergistic Effect Tungsten Oxide Nanoplate Structure
学科领域Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
资助者Australian Research Council [DP130102274, DP130102905]; National Natural Science Foundation of China [513228201]; IPRS and UQ Centennial Scholarships
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/321006/75856
专题中国科学院金属研究所
通讯作者Wang, LZ (reprint author), Univ Queensland, Nanomat Ctr, Sch Chem Engn, Brisbane, Qld 4072, Australia.; Wang, LZ (reprint author), Univ Queensland, Australian Inst Bioengn & Nanotechnol, Brisbane, Qld 4072, Australia.; Liu, G (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Wang, Songcan,Chen, Hongjun,Gao, Guoping,et al. Synergistic crystal facet engineering and structural control of WO3 films exhibiting unprecedented photoelectrochemical performance[J]. NANO ENERGY,2016,24:94-102.
APA Wang, Songcan.,Chen, Hongjun.,Gao, Guoping.,Butburee, Teera.,Lyu, Miaoqiang.,...&Liu, G .(2016).Synergistic crystal facet engineering and structural control of WO3 films exhibiting unprecedented photoelectrochemical performance.NANO ENERGY,24,94-102.
MLA Wang, Songcan,et al."Synergistic crystal facet engineering and structural control of WO3 films exhibiting unprecedented photoelectrochemical performance".NANO ENERGY 24(2016):94-102.
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