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Fabrication of Au nanoparticle-decorated TiO2 nanotube arrays for stable photoelectrochemical water splitting by two-step anodization
- Issue Date
- 11월-2017
- Publisher
- ELSEVIER SCI LTD
- Keywords
- TiO2; Nanotube; Anodization; Au nanoparticle; Photoelectrochemical water-splitting
- Citation
- CERAMICS INTERNATIONAL, v.43, no.16, pp.14063 - 14067
- Indexed
- SCIE
SCOPUS
- Journal Title
- CERAMICS INTERNATIONAL
- Volume
- 43
- Number
- 16
- Start Page
- 14063
- End Page
- 14067
- ISSN
- 0272-8842
- Abstract
- To improve the photoelectrochemical (PEC) water splitting efficiency for hydrogen production, we report the fabrication of Au NP-decorated TiO2 nanotube (TNT) arrays by a simple and cost-effective method involving two-step anodization and Au thin film agglomeration. TNT arrays prepared by the two-step anodization showed better photocurrent stability and efficiency than those prepared by one-step anodization. In addition, Au decoration on the TNT array induced a remarkable increase of 67.2% in the photocurrent to 1.02 mA/cm(2).
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