Photocatalytic Performance of Semiconducting Materials

A special issue of Crystals (ISSN 2073-4352).

Deadline for manuscript submissions: closed (15 December 2021) | Viewed by 2843

Special Issue Editors


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Guest Editor
State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, Fuzhou University, Fuzhou, Fujian 350116, China
Interests: artificial photosynthesis; heterogeneous photocatalysis; photocatalytic water splitting; organic polymer semiconducting photocatalysts; π-conjugated polymer photocatalysts; g-C3N4 photocatalyst

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Guest Editor
1. State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, Fuzhou University, Fuzhou, Fujian 350116, China
2. Emeritus Professor, Osaka Prefecture University, Osaka 599-8531, Japan
Interests: photocatalysis; heterogeneous catalysis; photoluminescence spectroscopy; reaction mechanism; clean energy and environment; metal oxide semiconducting materials

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Guest Editor
President, Fuzhou University, Fuzhou 350116, China
Interests: photocatalysis; photocatalyst design and preparation; photocatalytic reaction mechanism; photocatalytic reaction kinetics and photocatalytic reactor design

Special Issue Information

Dear Colleagues,

The most traditional inorganic semiconducting photocatalysts such as TiO2 and ZnO function only under UV light irradiation, therefore, visible light-responsive inorganic semiconducting photocatalysts such as BiVO4 and Ta3N5 have recently been investigated.  On the other hand, organic semiconducting materials such as graphitic carbon nitride (g-C3N4) nanomaterials have also been developed as highly efficient photocatalysts which can operate even under visible light irradiation.

Further research into the development of such inorganic and organic visible light-responsive photocatalytic materials will be vital in establishing artificial photosynthetic systems to efficiently convert solar energy into useful chemical or electrical energy, thus ensuring a stable and cleaner energy source for future generations.  We feel it would be beneficial at this time to publish the most recent works in these fields in a special issue with a collection of curated and interesting articles related to the photocatalytic performance of both inorganic and organic semiconducting materials.  

We would like to invite you to contribute an article, either an original research article or review, to this Special Issue of Crystals.  The deadline for submission is December 15th, 2021. If you should accept our invitation, please refer to the website at the top for more details regarding your submission. We look forward to hearing from you.

Thank you for your kind attention and time.

 

Prof. Dr. Xinchen Wang
Prof. Dr. Masakazu Anpo
Prof. Dr. Xianzhi Fu
Guest Editors

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Keywords

  • Photocatalytic performance
  • Photocatalysis
  • Photocatalytic reaction
  • Inorganic materials
  • Organic polymer materials
  • H2 evolution
  • Energy
  • Environment
  • Degradation
  • CO2 reduction
  • Photocatalytic organic synthesis
  • N2 fixation

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Published Papers (1 paper)

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Research

15 pages, 8147 KiB  
Article
BiOBr Precursor Solutions Modified Cement Paste: The Photocatalytic Performance and Effects
by Zhi Geng, Lina Zhang, Jin Wang, Yanfeng Yu, Guoling Zhang, Xin Cheng and Dan Wang
Crystals 2021, 11(8), 969; https://doi.org/10.3390/cryst11080969 - 17 Aug 2021
Cited by 7 | Viewed by 2160
Abstract
The potential of photocatalysts modified cement-based materials in degrading environmental pollutants is evident in previous studies, but the application of photocatalytic cement-based materials still appears limited in actual practice due to the dispersion effect. This work seeks to prepare photocatalytic cement paste by [...] Read more.
The potential of photocatalysts modified cement-based materials in degrading environmental pollutants is evident in previous studies, but the application of photocatalytic cement-based materials still appears limited in actual practice due to the dispersion effect. This work seeks to prepare photocatalytic cement paste by mixing cement with BiOBr precursor solutions in terms of the improvement of dispersion efficiency, and additional hydrothermal conditions provided by autoclaved curing period are required to activate the photocatalytic activity of photocatalysts crystals. The presence of BiOBr precursor solutions results in an increase of RhB degradation rate of up to 45.4% and the NOx removal efficiency was up to 4.4%, and the formation of BiOBr photocatalysts crystals is the main reason for photocatalytic performance enhancement. The morphology of photocatalysts and the pore size distribution of cement paste also contribute to the photocatalytic activity enhancement by the exposed surface of photocatalysts, which are supported by the analyses of Scanning Electron Microscope and Mercury Intrusion Porosimetry results. A new mechanism is suggested to explain the synergistic role of crystals and microstructure on the enhancement of photocatalytic activity with the extension of autoclaved curing time. As supports for photocatalysts, the development changes of compressive strength of cement paste are also discussed. Full article
(This article belongs to the Special Issue Photocatalytic Performance of Semiconducting Materials)
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