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Title: Hydrogen evolution promotion of Au‐nanoparticles‐decorated TiO 2 nanotube arrays prepared by dip‐loading approach

Journal Article · · Journal of the American Ceramic Society
DOI:https://doi.org/10.1111/jace.16441· OSTI ID:1504516
 [1];  [2];  [3];  [2];  [4];  [4];  [2];  [2]; ORCiD logo [1]
  1. Center for Applied Chemistry University of Electronic Science and Technology of China Chengdu China, State Key Laboratory of Electronic Thin Film and Integrated Devices University of Electronic Science and Technology of China Chengdu China
  2. State Key Laboratory of Electronic Thin Film and Integrated Devices University of Electronic Science and Technology of China Chengdu China
  3. State Key Laboratory of Electronic Thin Film and Integrated Devices University of Electronic Science and Technology of China Chengdu China, Electronic Technology Co., Ltd. of Dongguan Haoze Dongguan China
  4. Center for Applied Chemistry University of Electronic Science and Technology of China Chengdu China

Abstract Au nanoparticle (NPs)@TiO 2 nanotube arrays (NTAs) heterostructured films with enhanced H 2 generation rate under full spectrum were synthesized, by using a controllable and facile dip‐loading approach. Size of the Au NPs was well‐distributed around 7 nm, and the TiO 2 NTAs were found vertically aligned. Due to LSPR effect and Schottky contact, the as‐prepared Au NPs@TiO 2 NTAs heterostructured films exhibited improved H 2 generation abilities as well as photocatalytic degradation abilities. H 2 evolution rate of the obtained samples (effective area: 5.25 cm 2 ) reached 74.56 μmol/h, which was 38 times higher than that of the raw TiO 2 NTAs. And the Au NPs@TiO 2 NTAs samples also showed an obvious advantage over the raw TiO 2 NTAs, in methyl orange degradation under UV illumination. Repetition experiments were further carried out to ensure the dip‐loading method was a reliable fabrication process, and the amount of Au particles attached on TiO 2 tube walls could be manipulated by changing the dip‐loading cycle times.

Sponsoring Organization:
USDOE
OSTI ID:
1504516
Journal Information:
Journal of the American Ceramic Society, Journal Name: Journal of the American Ceramic Society Vol. 102 Journal Issue: 10; ISSN 0002-7820
Publisher:
Wiley-BlackwellCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 13 works
Citation information provided by
Web of Science

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