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学者姓名：张金水
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Abstract ：
The integration of photoelectrochemical (PEC) technology with persulfate-based advanced oxidation processes has emerged as a promising approach for efficient pollutant removal in environmental remediation. Herein, we developed a novel PEC system combining a Co3O4/BiVO4 (CO/BVO) photoanode with a CoFe2O4/carbon paper (CFO/CP) cathode for activating peroxymonosulfate (PMS) toward bisphenol A (BPA) removal. The enhanced photogenerated charge separation in CO/BVO and the PMS activation by CFO/CP in the PEC system enabled complete BPA degradation within 60 minutes under optimized conditions (1.0 V bias, 1.0 mM PMS). The influence of PMS concentration, applied bias, pH, and coexisting anions on BPA degradation was thoroughly investigated. Radical scavenging experiments combined with electron paramagnetic resonance analysis identified center dot SO4-, center dot OH, and photogenerated holes as dominant reactive species. The system also exhibited good stability over five consecutive cycles, with minimal metal ion leaching. This work demonstrates the potential of an efficient PEC system integrated with sulfate radical-based AOPs, offering an innovative approach for organic pollutant remediation in wastewater treatment.
Keyword ：
Organic removal Organic removal Peroxymonosulfate Peroxymonosulfate Photoelectrocatalytic Photoelectrocatalytic
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| GB/T 7714 | Geng, Xuanran , Zhang, Renfu , Zhang, Peiyun et al. Photoelectrochemical cell with Co3O4/BiVO4 photoanode and CoFe2O4 cathode: An efficient persulfate activation system for organic pollutants degradation [J]. | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2025 , 13 (2) . |
| MLA | Geng, Xuanran et al. "Photoelectrochemical cell with Co3O4/BiVO4 photoanode and CoFe2O4 cathode: An efficient persulfate activation system for organic pollutants degradation" . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING 13 . 2 (2025) . |
| APA | Geng, Xuanran , Zhang, Renfu , Zhang, Peiyun , Yuan, Xiaoying , Yang, Can , Hou, Yidong et al. Photoelectrochemical cell with Co3O4/BiVO4 photoanode and CoFe2O4 cathode: An efficient persulfate activation system for organic pollutants degradation . | JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING , 2025 , 13 (2) . |
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Oxygen vacancies (OVs) spatially confined on the surface of metal oxide semiconductors are advantageous for photocatalysis, in particular, for O2-involved redox reactions. However, the thermal annealing process used to generate surface OVs often results in undesired bulk OVs within the metal oxides. Herein, a high pressure-assisted thermal annealing strategy has been developed for selectively confining desirable amounts of OVs on the surface of metal oxides, such as tungsten oxide (WO3). Applying a pressure of 1.2 gigapascal (GPa) on WO3 induces significant lattice compression, which would strengthen the W-O bonds and increase the diffusion activation energy for the migration of the O migration. This pressure-induced compression effectively inhibits the formation of bulk OVs, resulting in a high density of surface-confined OVs on WO3. These well-defined surface OVs significantly enhance the photocatalytic activation of O2, facilitating H2O2 production and aerobic oxidative coupling of amines. This strategy holds promise for the defect engineering of other metal oxides, enabling abundant surface OVs for a range of emerged applications.
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| GB/T 7714 | Wang, Xiaoyi , Xue, Sikang , Huang, Meirong et al. Pressure-Induced Engineering of Surface Oxygen Vacancies on Metal Oxides for Heterogeneous Photocatalysis [J]. | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (6) : 4945-4951 . |
| MLA | Wang, Xiaoyi et al. "Pressure-Induced Engineering of Surface Oxygen Vacancies on Metal Oxides for Heterogeneous Photocatalysis" . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 147 . 6 (2025) : 4945-4951 . |
| APA | Wang, Xiaoyi , Xue, Sikang , Huang, Meirong , Lin, Wei , Hou, Yidong , Yu, Zhiyang et al. Pressure-Induced Engineering of Surface Oxygen Vacancies on Metal Oxides for Heterogeneous Photocatalysis . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (6) , 4945-4951 . |
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Persulfate-based advanced oxidation technology, due to its high efficiency, controllability, and safety, shows great potential for the deep removal of organic pollution, yet its mineralization efficiency is hindered by the lack of synergy between radical and nonradical pathways. Herein, we present defective carbon nitride (DCN) as a highly efficient peroxymonosulfate (PMS) activation catalyst that couples nonradical aggregation with radical mineralization. The tailored electronic structure of the DCN framework enhances visible-light absorption, photogenerated charge separation, and electron transfer ability due to a built-in electric field. DCN effectively interacts with PMS to rapidly accumulate pollutants from the bulk solution onto the catalyst surface via an electron-transfer pathway. Simultaneously, the accumulated pollutants undergo in-situ decomposition by center dot SO4- radicals formed on the catalyst surface under visible light irradiation, achieving a remarkable 98 % mineralization ratio. The mixed-pathway process demonstrates excellent cyclic stability and environmental robustness. This study introduces a novel strategy to enhance the catalytic oxidation performance of metal-free catalysts by controlling persulfate activation pathways for water decontamination.
Keyword ：
Carbon nitride Carbon nitride Peroxymonosulfate Peroxymonosulfate Photocatalysis Photocatalysis Pollutant mineralization Pollutant mineralization Synergistic Synergistic
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| GB/T 7714 | Ming, Hongbo , Ruan, Wenqi , Yuan, Xiaoying et al. Defective carbon nitride-Mediated peroxymonosulfate activation: Synergistic radical and nonradical pathways for enhanced pollutant mineralization [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2025 , 360 . |
| MLA | Ming, Hongbo et al. "Defective carbon nitride-Mediated peroxymonosulfate activation: Synergistic radical and nonradical pathways for enhanced pollutant mineralization" . | SEPARATION AND PURIFICATION TECHNOLOGY 360 (2025) . |
| APA | Ming, Hongbo , Ruan, Wenqi , Yuan, Xiaoying , Cheng, Jiajia , Yang, Can , Hou, Yidong et al. Defective carbon nitride-Mediated peroxymonosulfate activation: Synergistic radical and nonradical pathways for enhanced pollutant mineralization . | SEPARATION AND PURIFICATION TECHNOLOGY , 2025 , 360 . |
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The development of durable and highly efficient visible-light-driven photocatalysts is essential for the photo- catalytic ozonation process towards degrading organic pollutants. This study presents CN-MA, a novel photo- catalyst synthesized by grafting carbon nitride (CN) with single-atom Mn and 2-hydroxy-4,6-dimethylpyrimidine (HDMP) via one-step thermal polymerization. Experimental characterization and theoretical calculation results reveal that incorporating single-atom Mn and HDMP into CN alters the charge density distribution on the heptazine rings. This modification enhances the absorption of visible light and reduces exciton binding energy, leading to improved separation and migration of photogenerated charge carriers. Moreover, the single-atom Mn provides abundant active sites for O3 adsorption and activation, which increases the utilization of photo- generated electrons to produce highly reactive oxidative species. Consequently, CN-MA exhibits superior photocatalytic ozonation activity, achieving 94% mineralization of phenol within 60 min and maintaining excellent stability over multiple cycles. The research also proposes a plausible reaction mechanism based on free-radical trapping experiments and steady-state concentration experiments using molecular probes. This strategy advances the development of molecular-engineered catalysts co-modified with single metal atoms, thereby enhancing the photocatalytic ozonation process for the degradation of organic pollutants.
Keyword ：
Carbon nitride Carbon nitride Molecular engineering Molecular engineering Photocatalytic ozonation Photocatalytic ozonation Single-atom Single-atom
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| GB/T 7714 | Lai, Zhiming , Yang, Yang , Yang, Zhou et al. Carbon nitride grafted with single-atom manganese and 2-hydroxy-4,6-di-methylpyrimidine: A visible-light-driven photocatalyst for enhanced ozonation of organic pollutants [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 683 : 1106-1118 . |
| MLA | Lai, Zhiming et al. "Carbon nitride grafted with single-atom manganese and 2-hydroxy-4,6-di-methylpyrimidine: A visible-light-driven photocatalyst for enhanced ozonation of organic pollutants" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 683 (2025) : 1106-1118 . |
| APA | Lai, Zhiming , Yang, Yang , Yang, Zhou , Ruan, Wenqi , Yang, Can , Chen, Qiang et al. Carbon nitride grafted with single-atom manganese and 2-hydroxy-4,6-di-methylpyrimidine: A visible-light-driven photocatalyst for enhanced ozonation of organic pollutants . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2025 , 683 , 1106-1118 . |
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Designing porous structures has proven to be an effective strategy for enhancing the photocatalytic NO oxidation activity of carbon nitride (CN). Despite significant advances in the fabrication of porous CN, a cost-effective and high-yield synthesis method for porous CN is still highly desirable. In this study, we presented a facile strategy to synthesize porous carbon nitride by V2O5-assisted thermal oxidation process. Namely, after grinding bulk CN with a small amount of NH4VO3, the mixture was subjected to thermal treatment, resulting in porous carbon nitride with a yield of 50 %. The resulting porous structure, which features an enlarged surface area and enhanced charge separation efficiency, significantly improved the photocatalytic performance for NO removal-approximately four times higher than bulk CN. Additionally, the NO removal mechanism was investigated through in-situ Fourier transform infrared spectroscopy to observe reaction intermediates and electron paramagnetic resonance trapping experiments to identify active species, providing insight into the conversion pathway. The catalytic thermal oxidation etching process effectively tuned the microstructure of g-C3N4, offering a low-cost, easy-to-implement, and time-efficient method for synthesizing porous CN, thereby providing a promising approach for developing advanced photocatalysts.
Keyword ：
NO oxidation NO oxidation O 2 activation O 2 activation Photocatalysis Photocatalysis Porous carbon nitride Porous carbon nitride
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| GB/T 7714 | Fang, Zixun , Zhou, Yao , Yang, Zhou et al. V2O5-assisted thermal oxidation strategy for synthesizing porous carbon nitride with enhanced photocatalytic NO removal performance [J]. | SURFACES AND INTERFACES , 2025 , 60 . |
| MLA | Fang, Zixun et al. "V2O5-assisted thermal oxidation strategy for synthesizing porous carbon nitride with enhanced photocatalytic NO removal performance" . | SURFACES AND INTERFACES 60 (2025) . |
| APA | Fang, Zixun , Zhou, Yao , Yang, Zhou , Yang, Can , Zhang, Jinshui , Hou, Yidong . V2O5-assisted thermal oxidation strategy for synthesizing porous carbon nitride with enhanced photocatalytic NO removal performance . | SURFACES AND INTERFACES , 2025 , 60 . |
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Photocatalytic oxidation of benzene to phenol using molecular O2 is one of the most promising sustainable approaches for the green synthesis of phenol. Introducing oxygen vacancies (OVs) on semiconductor surfaces by defect engineering is a promising strategy to enhance the efficiency of benzene oxidation to produce phenol due to the unique functions of OVs in facilitating the charge separation and activation of molecular O2. Herein, a vacuum-sealed annealing strategy has been well developed to generate abundant surface OVs on semiconductors, such as WO3. The well-sealed quartz vial creates a well-controlled low-pressure condition for the formation of OVs without the need for external energy for maintaining the vacuum state. Moreover, the gaseous species generated during the thermal annealing process help mitigate stress-induced defects, particularly bulk defects. The vacuum-sealed annealed WO3 with sufficient OVs and reduced bulk defects shows a better photocatalytic performance in the one-step oxidation of benzene to phenol with O2, compared to the WO3 synthesized through thermal annealing in Ar and H2 atmospheres. The present vacuum-sealed annealing strategy is found to be further applicable to engineer a wide range of semiconducting photocatalysts with abundant OVs to optimize their properties for efficient photocatalysis and other OV-promoted systems.
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| GB/T 7714 | Yu, Dexi , Lin, Yuhong , Zhou, Wenhui et al. Photocatalytic Oxidation of Benzene to Phenol with O2 over WO3 Treated by Vacuum-Sealed Annealing [J]. | LANGMUIR , 2025 , 41 (6) : 4287-4295 . |
| MLA | Yu, Dexi et al. "Photocatalytic Oxidation of Benzene to Phenol with O2 over WO3 Treated by Vacuum-Sealed Annealing" . | LANGMUIR 41 . 6 (2025) : 4287-4295 . |
| APA | Yu, Dexi , Lin, Yuhong , Zhou, Wenhui , Wang, Xiaoyi , Yu, Zhenzhen , Hou, Yidong et al. Photocatalytic Oxidation of Benzene to Phenol with O2 over WO3 Treated by Vacuum-Sealed Annealing . | LANGMUIR , 2025 , 41 (6) , 4287-4295 . |
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Photocatalytic chemical transformations for green organic synthesis has attracted much interest. However, their development is greatly hampered by the lack of sufficient reactive sites on the photocatalyst surface for the adsorption and activation of substrate molecules. Herein, we demonstrate that the introduction of well-defined Lewis and Br & oslash;nsted acid sites coexisting on the surface of TiO2 (SO42-/N-TiO2) creates abundant active adsorption sites for photoredox reactions. The electron-deficient Lewis acid sites supply coordinatively unsaturated surface sites to adsorb molecular oxygen, and the Br & oslash;nsted acid sites are liable to donate protons to form hydrogen bonds with the OH groups of alcohols like benzyl alcohol (BA). These coexistent acid sites result in a strong synergistic effect in photocatalytic aerobic oxidation of BA. For example, the conversion of BA to benzaldehyde was found to be 88.6 %, being much higher than those of pristine TiO2 (14.7 %), N-doped TiO2 (N-TiO2, 24.6 %), sulfated TiO2 (SO42-/ TiO2, 35.4 %), and even their sum. The apparent quantum efficiency (AQE) was determined to be 58.1 % at 365 nm and 12.9 % at 420 nm over SO42-/N-TiO2. This strategy to create effective synergistic Lewis and Br & oslash;nsted acids on the catalyst surfaces enables us to apply it to other semiconducting photocatalytic organic transformations.
Keyword ：
br & oslash;nsted acids br & oslash;nsted acids heterogeneous catalysis heterogeneous catalysis lewis acids lewis acids oxidation oxidation photocatalysis photocatalysis
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| GB/T 7714 | Yu, Dexi , Zou, Junhua , Zeng, Lingdong et al. Lewis and Brønsted Acids Synergy in Photocatalytic Aerobic Alcohol Oxidations [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 . |
| MLA | Yu, Dexi et al. "Lewis and Brønsted Acids Synergy in Photocatalytic Aerobic Alcohol Oxidations" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2025) . |
| APA | Yu, Dexi , Zou, Junhua , Zeng, Lingdong , Hou, Yidong , Lin, Wei , Wu, Ling et al. Lewis and Brønsted Acids Synergy in Photocatalytic Aerobic Alcohol Oxidations . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 . |
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Photocatalytic oxidation of benzene to phenol using molecular oxygen (O-2) is a promising alternative to the traditional cumene process. However, the selectivity toward phenol is often poor due to the ring-opening reaction induced by the superoxide radical (O-center dot(2)-), which is predominantly produced from the single-electron reduction of O-2. Herein, we demonstrate that introducing abundant oxygen vacancies (OVs) on the surface of titanium dioxide (TiO2) facilitates the activation of O-2 through a two-electron reduction process instead of a single-electron reduction. This effectively suppresses the generation of O-center dot(2)-, thereby reducing phenol decomposition and significantly enhancing the selectivity. In addition, these OVs can trap the electrons to promote chare separation and serve as the adsorption sites for O-2 activation. As a result, the introduction of abundant OVs on the surface of TiO2 not only enhances phenol yield but also importantly improves selectivity toward phenol. This finding enriches our understanding of how OVs influence reaction pathways and product selectivity, providing valuable insights for the design and tailoring of OV-rich photocatalysts for selective organic oxygenations.
Keyword ：
benzene hydroxylation reaction benzene hydroxylation reaction O-2 activation O-2 activation oxygen vacancy oxygen vacancy photocatalysis photocatalysis selectivity selectivity
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| GB/T 7714 | Zhong, Shengyang , Yu, Dexi , Ma, Yuhui et al. Oxygen Vacancy-Enhanced Selectivity in Aerobic Oxidation of Benzene to Phenol over TiO2 Photocatalysts [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 . |
| MLA | Zhong, Shengyang et al. "Oxygen Vacancy-Enhanced Selectivity in Aerobic Oxidation of Benzene to Phenol over TiO2 Photocatalysts" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2025) . |
| APA | Zhong, Shengyang , Yu, Dexi , Ma, Yuhui , Lin, Yuhong , Wang, Xiaoyi , Yu, Zhenzhen et al. Oxygen Vacancy-Enhanced Selectivity in Aerobic Oxidation of Benzene to Phenol over TiO2 Photocatalysts . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 . |
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A promising strategy to enhance exciton dissociation and charge separation in phenolic-polymer-based photocatalysts is the generation and utilization of benzenoid-quinoid donor-acceptor (D-A) couples inside the phenolic resin frameworks. However, there are often more donors than acceptors in phenolic resin due to the sluggish kinetics of in situ oxidation of phenols to quinoid methides, leading to a mismatched D/A ratio. Herein, we report a well-cross-linked phenolic resin with a unity D/A ratio synthesized by using phloroglucinol as a building block for condensation with formaldehyde. The higher electron density on the aromatic ring not only facilitates the in situ oxidation of phloroglucinols to quinoid methides, forming equivalent D-A couples, but also lowers the energy barrier for the condensation reaction, resulting in a highly cross-linked framework with a well-developed pi-conjugated electronic structure. The phloroglucinol-formaldehyde resin product demonstrates significantly improved photocatalytic performance in the selective oxidation of methyl phenyl sulfide and the oxidative coupling of benzylamine. Our approach shows the potential of photocatalytic phenolic resins for solar-induced chemical conversion.
Keyword ：
aerobic oxidation reactions aerobic oxidation reactions electron donor-acceptor architecture electron donor-acceptor architecture phenolic resin phenolic resin photocatalysis photocatalysis pi-conjugatedpolymer pi-conjugatedpolymer
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| GB/T 7714 | Li, Meng , Huang, Meirong , Lin, Zheng et al. Phenolic Resin with an Optimized Donor-Acceptor Architecture for Photocatalytic Aerobic Oxidation [J]. | ACS CATALYSIS , 2024 , 14 (23) : 17622-17632 . |
| MLA | Li, Meng et al. "Phenolic Resin with an Optimized Donor-Acceptor Architecture for Photocatalytic Aerobic Oxidation" . | ACS CATALYSIS 14 . 23 (2024) : 17622-17632 . |
| APA | Li, Meng , Huang, Meirong , Lin, Zheng , Hou, Yidong , Anpo, Masakazu , Yu, Jimmy C. et al. Phenolic Resin with an Optimized Donor-Acceptor Architecture for Photocatalytic Aerobic Oxidation . | ACS CATALYSIS , 2024 , 14 (23) , 17622-17632 . |
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Photocatalytic ozonation emerges as an appealing approach for wastewater purification. However, the kinetic constraints associated with the charge separation and the ozone activation hinder the advancement of photocatalytic ozonation systems. Herein, we prepared CeO2 photocatalysts with predominantly exposed {1 1 0}, {1 0 0}, or {1 1 1} facets, highlighting the synergy role of crystal facet and oxygen vacancies in manipulating electron transfer and ozone activation. The CeO2-{1 1 0} catalyst exhibits the best efficiency for phenol mineralization (69%) in photocatalytic ozonation. Ex-situ, Quasi-situ, and In-situ characterization of the CeO2 catalysts reveal that facet engineering in the CeO2 catalysts optimizes the electronic properties of the catalysts, thereby enhancing the separation of photogenerated charge carriers and transfer of electrons and holes, which provides more electrons for O3 activation and promotes the formation of reactive oxygen species (ROS). Moreover, facet modulating leads to a change in the density of surface oxygen vacancies. The increased oxygen vacancy density on the CeO2-{1 1 0} surface accelerates the activation of O3 and the formation of adsorbed oxygen (*O), synergistically boosting the production rate of ROS. The present study offers valuable insights into the design of efficient photocatalysts for wastewater purification. © 2024 Elsevier Inc.
Keyword ：
CeO2 CeO2 Crystal facet Crystal facet Oxygen vacancies Oxygen vacancies Photocatalytic ozonation Photocatalytic ozonation Synergistic effect Synergistic effect
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| GB/T 7714 | Yang, Z. , Xu, R. , Tao, H. et al. Crystal facet and oxygen vacancies synergistically mediate photocatalytic ozonation for organic pollutants removal over CeO2 [J]. | Journal of Catalysis , 2024 , 438 . |
| MLA | Yang, Z. et al. "Crystal facet and oxygen vacancies synergistically mediate photocatalytic ozonation for organic pollutants removal over CeO2" . | Journal of Catalysis 438 (2024) . |
| APA | Yang, Z. , Xu, R. , Tao, H. , Yang, Y. , Hou, Y. , Wang, K. et al. Crystal facet and oxygen vacancies synergistically mediate photocatalytic ozonation for organic pollutants removal over CeO2 . | Journal of Catalysis , 2024 , 438 . |
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