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Photocatalytic/Photoelectrocatalysis Water Splitting
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Photocatalytic/Photoelectrocatalysis Water Splitting

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Photocatalysis".

Deadline for manuscript submissions: 15 August 2025 | Viewed by 1803

Special Issue Editors

Prof. Dr. Guangzhao Wang

E-Mail Website
Guest Editor
School of Electronic Information Engineering, Yangtze Normal University, Chongqing 408100, China
Interests: first-principles calculations; 2D materials and hetero structures; optoelectronic materials and devices; photocatalysis; electrocatalysis; energy storage materials and devices
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Yanbo Li

E-Mail Website
Guest Editor
Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
Interests: semiconductor photophysics and photochemistry; artificial photosynthesis; photoelectrochemical water splitting; photocatalysis

Special Issue Information

Dear Colleagues,

We are delighted to invite you to contribute to a new Special Issue entitled “Photocatalytic/Photoelectrocatalysis Water Splitting”, which is dedicated to examining recent theoretical and experimental research achievements and applications regarding photocatalytic/photoelectrocatalysis water splitting.

Photocatalysis and photoelectrocatalysis, which both utilize the renewable energy provided by sunlight, exhibit potential regarding the revolutionization of water splitting for the generation of hydrogen oxygen. These technologies offer an optimistic approach to addressing the global energy and environmental crisis.

We invite you to submit your original research articles, reviews, and perspectives regarding photocatalytic and photoelectrocatalytic water splitting. The scope of this Special Issue includes, but is not limited to, the following topics:

  • Novel photocatalysts and photoelectrode materials for efficient water splitting.
  • Study of the reaction mechanisms of photocatalytic and photoelectrocatalytic water splitting.
  • Optimization of the reaction conditions and reactor design.

Computational design and search for efficient photocatalysts and photoelectrocatalysts.

Prof. Dr. Guangzhao Wang
Prof. Dr. Yanbo Li
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Catalysts is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • photocatalytic water splitting
  • photoelectrocatalysis
  • electrocatalysis
  • first principles calculations
  • renewable energy
  • hydrogen production

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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16 pages, 3453 KiB  
Article
Enhancing Photocatalytic Hydrogen Evolution with Oxygen Vacancy-Modified P/Ag/Ag2O/Ag3PO4/TiO2 by Using Optimized NaBH4 Reduction Strategy
by Xiang Sun, Yunxin Zhu, Guangqi An, Guoping Chen and Yingnan Yang
Catalysts 2025, 15(2), 167; https://doi.org/10.3390/catal15020167 - 11 Feb 2025
Viewed by 588
Abstract
The introduction of oxygen vacancies (OVs) is a promising strategy to enhance the hydrogen (H2) evolution efficiency of photocatalysts. Sodium borohydride (NaBH4) is widely used as a reducing agent to introduce OVs, particularly in composite materials. However, its impact [...] Read more.
The introduction of oxygen vacancies (OVs) is a promising strategy to enhance the hydrogen (H2) evolution efficiency of photocatalysts. Sodium borohydride (NaBH4) is widely used as a reducing agent to introduce OVs, particularly in composite materials. However, its impact on H2 evolution remains underexplored. In this study, by employing various mass ratios of NaBH4 to P/Ag/Ag2O/Ag3PO4/TiO2 (PAgT), OVs modified PAgT (R-PAgT) composites, which were synthesized and systematically characterized by XRD, FT-IR, and XPS. R-PAgT-10 with an optimal mass ratio exhibited a superior H2 evolution efficiency and stability, maintaining its performance over 20 cycles under visible light irradiation, while the higher mass ratio of NaBH4/PAgT led to the disruption of the crystal structure with excessive OVs amounts, resulting in poor stability. This study highlighted the importance of utilizing the optimal mass ratio of NaBH4 to prepare OVs-PAgT for successful and stable H2 evolution under visible light irradiation, which holds promise for developing efficient and durable photocatalysts for renewable energy applications. Full article
(This article belongs to the Special Issue Photocatalytic/Photoelectrocatalysis Water Splitting)
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21 pages, 7261 KiB  
Article
Excellent Photocatalytic Performance Against Amoxicillin Antibiotic and Pt-Free Hydrogen Production Using Fe-Doped ZnS Nanostructures: Reaction Kinetics and Mechanistic Insights
by Ali Raza, Syeda Takmeel Zahra, Hadia Noor, Shahzad Naseem, Saira Riaz, Mohammad Ehtisham Khan, Wahid Ali, Mohammad S. Alomar, Anwar Ulla Khan, Syed Kashif Ali, Nazim Hasan and Waleed Zakri
Catalysts 2025, 15(2), 165; https://doi.org/10.3390/catal15020165 - 11 Feb 2025
Viewed by 623
Abstract
This research presents the synthesis of Fe-doped ZnS nanocomposites via a chemical route, exploring their photocatalytic activity against amoxicillin (AMX) and evaluating their hydrogen production potential. The synthesized nanocomposites were characterized by several state-of-the-art analytical techniques, such as XRD, SEM, PL, UV adsorption, [...] Read more.
This research presents the synthesis of Fe-doped ZnS nanocomposites via a chemical route, exploring their photocatalytic activity against amoxicillin (AMX) and evaluating their hydrogen production potential. The synthesized nanocomposites were characterized by several state-of-the-art analytical techniques, such as XRD, SEM, PL, UV adsorption, Raman, TEM, and AFM. The photocatalytic performance revealed significant degradation of AMX under optimal conditions. Specifically, Fe-doped ZnS nanocomposites achieved a degradation efficiency of 94% within 120 min at a photocatalyst dosage of 110 mg. The pristine ZnS nanoparticles exhibited a hydrogen production rate of 23.6 µmol·g−1·h−1, whereas Fe doping substantially enhanced this rate to 526.6 µmol·g−1·h−1 under optimized conditions. The optimal temperature for hydrogen production was 200 °C, with maximum efficiency at pH 7. Furthermore, the recyclability tests demonstrated that the photocatalyst maintained a considerable hydrogen production rate over multiple cycles, underscoring its potential for commercial nanotechnology and environmental science applications. Full article
(This article belongs to the Special Issue Photocatalytic/Photoelectrocatalysis Water Splitting)
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