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Advanced Surface of Fibrous Activated Carbon Immobilized with FeO/TiO 2 for Photocatalytic Evolution of Hydrogen under Visible Light
Author(s) -
Sharma Ajit,
Thuan Doan Van,
Pham Thanh-Dong,
Tung Mai Hung Thanh,
Truc Nguyen Thi Thanh,
Vo Dai-Viet N.
Publication year - 2020
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.201900338
Subject(s) - photocatalysis , visible spectrum , materials science , adsorption , activated carbon , hydrogen production , chemical engineering , oxide , titanium dioxide , specific surface area , nanoparticle , hydrogen , catalysis , photochemistry , nanotechnology , chemistry , composite material , optoelectronics , metallurgy , organic chemistry , engineering
FeO‐doped TiO 2 nanoparticle photocatalysts were immobilized onto the surface of fibrous activated carbon (ACF) via a sol‐gel process. As an adsorbent and photocatalyst, FeO‐TiO 2 on immobilized ACFs (FeO‐TiO 2 /ACF) greatly improved the photocatalysis rate of hydrogen production as compared with pure TiO 2 and ACF‐TiO 2 under UV irradiation and visible light. The addition of ACFs surface significantly reduced the photogenerated pairs of electrons‐hole recombination, thereby promoting the photocatalysis action of doped photo‐metal oxides of FeO‐TiO 2 . Co‐doping of FeO onto the lattice of the TiO 2 approach can improve the absorption activity of visible light through photo‐metal oxide of TiO 2 and further enhance hydrogen production under visible light. The photocatalytic fabrics (FeO‐TiO 2 /ACF) were effortlessly split out from the experimental solution for re‐utilization and exhibited high stability even after five complete regeneration cycles.

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