Rough gold films as broadband absorbers for plasmonic enhancement of TiO2 photocurrent over 400-800 nm | |
Tan, Furui1,2; Li, Tenghao1; Wang, Ning1,2; Lai, Sin Ki1; Tsoi, Chi Chung1; Yu, Weixing3![]() | |
刊名 | scientific reports
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2016-09-09 | |
卷号 | 6 |
ISSN号 | 2045-2322 |
产权排序 | 3 |
英文摘要 | recent years have witnessed an increasing interest in highly-efficient absorbers of visible light for the conversion of solar energy into electrochemical energy. this study presents a tio2-au bilayer that consists of a rough au film under a tio2 film, which aims to enhance the photocurrent of tio2 over the whole visible region and may be the first attempt to use rough au films to sensitize tio2. experiments show that the bilayer structure gives the optimal optical and photoelectrochemical performance when the tio2 layer is 30 nm thick and the au film is 100 nm, measuring the absorption 80-90% over 400-800 nm and the photocurrent intensity of 15 mu a.cm(-2), much better than those of the tio2-aunp hybrid (i.e., au nanoparticle covered by the tio2 film) and the bare tio2 film. the superior properties of the tio2-au bilayer can be attributed to the rough au film as the plasmonic visible-light sensitizer and the photoactive tio2 film as the electron accepter. as the au film is fully covered by the tio2 film, the tio2-au bilayer avoids the photocorrosion and leakage of au materials and is expected to be stable for long-term operation, making it an excellent photoelectrode for the conversion of solar energy into electrochemical energy in the applications of water splitting, photocatalysis and photosynthesis. |
学科主题 | multidisciplinary sciences |
WOS标题词 | science & technology |
类目[WOS] | multidisciplinary sciences |
研究领域[WOS] | science & technology - other topics |
关键词[WOS] | light photocatalytic activity ; doped tio2 ; nanoparticles ; surface ; generation ; deposition ; ultrafast ; resonance ; behavior |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000382728000001 |
内容类型 | 期刊论文 |
源URL | [http://ir.opt.ac.cn/handle/181661/28414] ![]() |
专题 | 西安光学精密机械研究所_光学影像学习与分析中心 |
作者单位 | 1.Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Hong Kong, Peoples R China 2.Hong Kong Polytech Univ, Shenzhen Res Inst, Shenzhen, Peoples R China 3.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Spectral Imaging Technol, Xian, Peoples R China |
推荐引用方式 GB/T 7714 | Tan, Furui,Li, Tenghao,Wang, Ning,et al. Rough gold films as broadband absorbers for plasmonic enhancement of TiO2 photocurrent over 400-800 nm[J]. scientific reports,2016,6. |
APA | Tan, Furui.,Li, Tenghao.,Wang, Ning.,Lai, Sin Ki.,Tsoi, Chi Chung.,...&Zhang, Xuming.(2016).Rough gold films as broadband absorbers for plasmonic enhancement of TiO2 photocurrent over 400-800 nm.scientific reports,6. |
MLA | Tan, Furui,et al."Rough gold films as broadband absorbers for plasmonic enhancement of TiO2 photocurrent over 400-800 nm".scientific reports 6(2016). |
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