期刊
CHEMICAL ENGINEERING JOURNAL
卷 418, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2021.129456
关键词
Macro suppprted photocatalyst; Nickel foam; TiO2; Charge transit
资金
- Major Science and Technology Program for Water Pollution Control and Treatment [2017ZX07502003]
- National Natural Science Foundation of China [51778172, 51978089]
A novel monolithic supported macroscopic catalyst was successfully designed and developed to overcome the limitations of traditional photocatalysts in industrial applications. This integrated material exhibited unprecedentedly high utilization of carriers through a unique generation-capture-migration-utilization path, attributed to the integration of three independent materials, proposing a new mechanism of charge transfer for rational design of macro photocatalysts.
The dimensions and structure of conventional photocatalysts severely limit their industrial applications. In view of this, a novel monolithic supported macroscopic catalysts (SMCs) was successfully designed and developed for the first time. The visible-light responsive and reusable Zn0.95Fe0.05S@TiO2/nickel foam (ZFS@TiO2/NF) SMCs was assembled with ZFS particle catalyst as a light responder that was protected by defective TiO2 as a carriers capture layer, the multihole and flexile nickel foam material was induced into photocatalytic system with the function of supporting and charge storage. This integrated material exhibited an unprecedentedly high utilization of carriers by a new set of unique generation-capture-migration-utilization path, which was attributed to the key properties of the integration of three independent materials. Furthermore, the loading operation can maximum exert dimensions and interfaces optimization of ZFS and TiO2. This work proposes a novel mechanism of charge transfer for rational design of macro photocatalysts.
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