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Latest Research in Photocatalysis

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Biochemistry".

Deadline for manuscript submissions: 20 January 2026 | Viewed by 1008

Special Issue Editor

Special Issue Information

Dear Colleagues,

Photocatalysis is a sustainable green process that promotes an increase in the kinetics of a chemical reaction driven by solar energy or other forms of radiant energy. It is one of the most promising methods that can be used to effectively help solve current environmental pollution and the increased energy demand.  In recent years, photocatalytic technology has made great achievements in the field of organic pollutant degradation, heterogeneous catalysis, clean energy production, gas storage, separation, medicine, etc. To further increase this progress, it is necessary to not only deepen but also combine the knowledge of different fields, such as molecular and structure design, functionality simulation, chemistry, materials, physics, energy, and the environment. It will allow us to design and synthesize novel photocatalysts in a sustainable and green way, and improve the properties of those already known, as well as understand the reactions that take place in both their synthesis and in the photocatalytic processes themselves. In this Special Issue, innovative studies related to photocatalysis in all of these fields are welcome.

Dr. María Teresa Colomer
Guest Editor

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Keywords

  • design
  • simulation
  • synthesis
  • properties
  • functionalities
  • reactions
  • photocatalysis

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Published Papers (2 papers)

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24 pages, 5192 KB  
Article
Innovative Z-Scheme Heterojunction Photocatalyst ZnBiGdO4/SnS2 for Photocatalytic Degradation of Tinidazole Under Visible Light Irradiation
by Jingfei Luan, Boyang Liu, Liang Hao, Wenchen Han and Anan Liu
Int. J. Mol. Sci. 2025, 26(17), 8366; https://doi.org/10.3390/ijms26178366 - 28 Aug 2025
Viewed by 309
Abstract
A high-performance Z-scheme heterojunction photocatalytic compound, ZnBiGdO4/SnS2 (ZS), was prepared for the first time using a microwave-assisted solvothermal method. ZS significantly improved the separation efficiency of photoinduced carriers and effectively broadened the response range to visible light through the unique [...] Read more.
A high-performance Z-scheme heterojunction photocatalytic compound, ZnBiGdO4/SnS2 (ZS), was prepared for the first time using a microwave-assisted solvothermal method. ZS significantly improved the separation efficiency of photoinduced carriers and effectively broadened the response range to visible light through the unique mechanism of the Z-type heterojunction. Therefore, ZS exhibited an excellent photocatalytic performance during the degradation process of tinidazole (TNZ). Specifically, the removal rate of TNZ by ZS reached 99.63%, and the removal rate of total organic carbon (TOC) reached 98.37% with ZS as catalyst under visible light irradiation (VLIN). Compared to other photocatalysts, the photocatalytic performance of ZS was significantly better than that of ZnBiGdO4, SnS2, or N-doped TiO2 (N-T). The removal rate of TNZ by ZS was 1.12 times, 1.26 times, or 2.41 times higher than that by ZnBiGdO4, SnS2, or N-T, respectively. The mineralization efficiency of TNZ for TOC with ZS as a catalyst was 1.15 times, 1.28 times, or 2.57 times higher than that with ZnBiGdO4, SnS2, or N-T as a catalyst, respectively. Free radical scavenging experiments and the electron paramagnetic resonance experiments confirmed that ZS could generate multiple reactive species such as hydroxyl radicals (•OH), superoxide anions (•O2), and photoinduced holes (h+) during the photocatalytic degradation process of TNZ. The photocatalytic degradation performance of ZS on TNZ under VLIN was evaluated, concurrently, the reliability, reproducibility, and stability of ZS were verified by five cycle experiments. This study explored the degradation mechanism and degradation pathway of TNZ with ZS as a catalyst under VLIN. This study not only provides new ideas for the design and preparation of Z-type heterojunction photocatalysts but also lays an important foundation for the development of efficient environmental remediation technologies for TNZ pollution. Full article
(This article belongs to the Special Issue Latest Research in Photocatalysis)
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20 pages, 10780 KB  
Article
Enhanced Photo-Fenton Removal of Oxytetracycline Hydrochloride via BP/Bi2MoO6 Z-Scheme Heterojunction Photocatalyst
by Jian Feng, Xiaohui Li, Xia Ran, Li Wang, Bo Xiao, Rong Li and Guangwei Feng
Int. J. Mol. Sci. 2025, 26(16), 7751; https://doi.org/10.3390/ijms26167751 - 11 Aug 2025
Viewed by 350
Abstract
Fenton oxidation technology utilizing hydrogen peroxide is recognized as an effective method for producing reactive oxygen species (ROS) to facilitate the degradation of antibiotics. However, the requirement for strongly acidic conditions during this process significantly restricts its broader applicability. In this study, we [...] Read more.
Fenton oxidation technology utilizing hydrogen peroxide is recognized as an effective method for producing reactive oxygen species (ROS) to facilitate the degradation of antibiotics. However, the requirement for strongly acidic conditions during this process significantly restricts its broader applicability. In this study, we synthesized black phosphorus (BP) nanosheets by exposing the {010} crystal planes and then constructed a 0D/2D BP/Bi2MoO6 (PBMO) heterojunction to function as a Fenton catalyst. The PBMO-75 heterojunction exhibited a remarkable increase in photo-Fenton catalytic activity towards oxytetracycline (OTC) under neutral conditions, achieving catalytic efficiencies that were 20 and 8 times greater than those of BP and Bi2MoO6 (BMO), respectively. This can be attributed to its strong absorption of visible light, the establishment of an internal electric field (IEF) at the interface, and the implementation of a Z-scheme catalytic mechanism. Additionally, the photo-Fenton system was further improved in OTC degradation through the continuous conversion of Mo6+/Mo5+ under visible light irradiation in conjunction with H2O2. Based on ERS, XPS, and active species trapping experiments, we propose a Z-scheme charge transfer mechanism for PBMO. This research offers compelling evidence that 0D/2D Z-scheme heterojunctions are promising candidates for the photo-Fenton treatment of antibiotic contaminants. Full article
(This article belongs to the Special Issue Latest Research in Photocatalysis)
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