Applied Catalysis A: General最新文献

{"title":"Use of zeolites for the synthesis of ketals from ethyl levulinate and glycerol","authors":"Francesco Taddeo ,&nbsp;Michele Emanuele Fortunato ,&nbsp;Rosa Turco ,&nbsp;Andrzej Kowalczyk ,&nbsp;Malgorzata Rutkowska ,&nbsp;Lucjan Chmielarz ,&nbsp;Vincenzo Russo ,&nbsp;Martino Di Serio","doi":"10.1016/j.apcata.2025.120521","DOIUrl":"10.1016/j.apcata.2025.120521","url":null,"abstract":"<div><div>The increasing demand for sustainable alternatives to petrochemical routes has intensified interest in biomass as a renewable feedstock. In this scenario, levulinic acid and its derivatives have gained attention due to their versatile properties. Additionally, glycerol, a byproduct of biodiesel production, also represents a valuable bio-based compound. The reaction between ethyl levulinate and glycerol yields ketal, a product with promising properties for several applications such as solvents, plasticizers, and polymer precursors. Various acid catalysts can be employed in this reaction, and zeolites are particularly attractive due to their excellent mechanical and thermal stability, which enables high catalytic performance. In this study, a screening of different zeolites i.e., H-ZSM-5, H-Mordenite, H-β, and H-Y, was carried out. The catalysts were characterized in terms of elemental composition, surface area, and acid site concentration, and their properties, particularly acidity and channels dimensions, were correlated with their performance in the ketalization reaction. The protonated forms of all the tested zeolites exhibited comparable and remarkable catalytic activity in glycerol conversion.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"707 ","pages":"Article 120521"},"PeriodicalIF":4.8,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144890169","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation of the redox properties of Fe-CHA catalysts by transient response methods","authors":"Maria Elena Azzoni ,&nbsp;Nicola Usberti ,&nbsp;Andrea Gjetja ,&nbsp;Isabella Nova ,&nbsp;Enrico Tronconi ,&nbsp;Roberta Villamaina ,&nbsp;Maria Pia Ruggeri ,&nbsp;Veselina Georgieva ,&nbsp;Loredana Mantarosie ,&nbsp;Jillian Collier","doi":"10.1016/j.apcata.2025.120520","DOIUrl":"10.1016/j.apcata.2025.120520","url":null,"abstract":"<div><div>Fe-exchanged zeolite catalysts have recently raised interest due to their higher de-N₂O activity compared to Cu-CHA. However, no methodology is currently available to assess their active species and redox properties under real conditions. Herein we investigate Fe-CHA catalysts coupling Transient Response Methods, previously used to investigate Cu-CHA, and <em>Operando</em> FT-IR, with the aim to gain insights in the Fe active species and their behavior under different reactive conditions. Since Fe is well reported in literature to undergo a redox cycle between oxidized and reduced forms, the analysis was divided in two sections focused on reducing and oxidizing methods. From H₂-TPR and NO+NH₃ reductive protocols, different responses compared to Cu-CHA were observed, evidencing that oxidation of Fe-CHA is less effective. Concerning oxidative protocols, NO₂ adsorption/desorption was identified as a key protocol for the titration of active Fe species, as NO₂ was stored as nitrate every two iron sites regardless of the speciation. This result was supported by <em>Operando</em> FT-IR tests. The NO₂ ads/des protocol was replicated on pre-reduced catalysts, revealing the strong ability of NO₂ to oxidize Fe sites, redisperse them and use them as storage sites. Finally, transient N₂O decomposition runs, followed by NO+NH₃ reduction or TPD, were used to probe Fe-CHA sites. These experiments confirmed the strong oxidizing power of N₂O, close to NO₂ and superior to O₂, showing also how the stability of the stored oxygen, strictly linked with the auto-reduction of the catalysts, as well as the Fe oxidation state, were dependent on the N₂O decomposition temperature.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"707 ","pages":"Article 120520"},"PeriodicalIF":4.8,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144890168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of metal composition on the catalytic performance of half-substituted LaB’0.5B0.5O3 (B’, B: Fe, Co, Ni) exsolved perovskites catalysts in m-cresol hydrogenation","authors":"Thomas Fonseca ,&nbsp;Dana Arias ,&nbsp;Catherine Sepulveda ,&nbsp;Gina Pecchi ,&nbsp;Carla Herrera","doi":"10.1016/j.apcata.2025.120519","DOIUrl":"10.1016/j.apcata.2025.120519","url":null,"abstract":"<div><div>Half-substituted perovskites LaFe_0.5Ni_0.5O₃, LaFe_0.5Co_0.5O₃ and LaCo_0.5Ni_0.5O₃ were used as precursors to synthesize, by an exsolution process, reduced catalysts for the liquid-phase hydrogenation of <em>m</em>-cresol at 200 °C and 30 bar H₂ pressure. The calcined perovskites and exsolved catalysts were characterized by AAS, H₂-TPR, N₂ physisorption, XRD, XPS, TEM and NH₃-TPD techniques. The characterization results show large differences in the reducibility of perovskites in the presence or absence of Fe. In the case of the exsolved catalyst without Fe content (LaCo_0.5Ni_0.5O₃), the formation of metallic Co⁰ and Ni⁰ is detected, while the exsolved catalysts containing Fe (LaFe_0.5Co_0.5O₃, LaFe_0.5Ni_0.5O₃) were not reducible in H₂ below 500 °C. The higher <em>m</em>-cresol conversion, initial reaction rate and hydrogenation (HYD) activity of the exsolved LaCo_0.5Ni_0.5O₃ catalyst were attributed to the presence of highly dispersed surface species of metallic Co⁰ and Ni⁰. The formation of the major product, 3-methylcyclohexanol, over the LaCo_0.5Ni_0.5O₃ catalyst was independent of the reaction temperature in the range of 150 – 200 °C. However, the hydrogenation activity increased with increasing H₂ pressure between 20 and 50 bar. The exsolved LaCo_0.5Ni_0.5O₃ catalyst shows no loss of catalytic activity after 5 cycles without regeneration, and post-reaction characterization demonstrates that the surface composition remains stable after five reaction cycles, with no detectable leaching of nickel and cobalt.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"707 ","pages":"Article 120519"},"PeriodicalIF":4.8,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144895707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"High-efficiency Cu2O/CuFe-LDH nanocomposite for Fenton degradation of organic pollutants: Boosted dual redox cycles","authors":"Yanrui Su ,&nbsp;Xiaoyu Li ,&nbsp;Zimu Gao ,&nbsp;Jiajia He ,&nbsp;Zizhen Liu ,&nbsp;Linjun Duan ,&nbsp;Tian Sun ,&nbsp;Jiaoge Wu ,&nbsp;Dan Liang ,&nbsp;Chaojun Wei ,&nbsp;Faying Fan ,&nbsp;Wa Gao","doi":"10.1016/j.apcata.2025.120516","DOIUrl":"10.1016/j.apcata.2025.120516","url":null,"abstract":"<div><div>The incorporation of dual redox sites within catalytic materials for H₂O₂ activation represents a promising approach to enhance the efficiency of pollutant decomposition. In this study, Cu₂O modified CuFe-LDH nanocomposite (Cu₂O/CuFe-LDH) was successfully synthesized <em>via</em> in situ topotactic transformation of CuFe-LDH. The catalytic degradation performance of the Cu₂O/CuFe-LDH nanocomposite was investigated utilizing tetracycline hydrochloride (TCH) as a typical antibiotic contaminant. It demonstrated exceptional catalytic activity, achieving a TCH elimination rate of 93.0 % in 60 min. A rate constant value of 0.0426 min⁻¹ was calculated for the pseudo-first-order kinetic model, which was 1.6 times and 5.0 times higher than those of CuFe-LDH and Cu₂O, respectively. Moreover, the Cu₂O/CuFe-LDH nanocomposite demonstrated remarkable cycling stability (85 % degradation rate after 5 recycling cycles), a wide pH range (3−11), resistance to background ion interference, and lower toxicity of the products of degradation. Based on radical scavenger tests and electron paramagnetic resonance (EPR) spectroscopy, it was verified that TCH degradation was mediated by ¹O₂, •OH and •O₂^-, with ¹O₂ playing an essential role. X-ray photoelectron spectroscopy (XPS) and density functional theory (DFT) investigations indicate that the remarkable catalytic efficacy of Cu₂O/CuFe-LDH is predominantly due to the synergistic interactions between Cu₂O and CuFe-LDH, with Cu₂O promoting the accelerated dual Cu²⁺/Cu⁺ and Fe³⁺/Fe²⁺ cycling. Thus, the Cu₂O/CuFe-LDH nanocomposite exhibits exceptional efficiency, environmental friendliness and recyclability, rendering it an ideal candidate for practical wastewater treatment applications.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"707 ","pages":"Article 120516"},"PeriodicalIF":4.8,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144879638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"SiO2-supported niobia catalyst with optimized acid concentration prepared via organic additive-assisted impregnation protocol for the vapor-phase aldol condensation of butanal","authors":"Kohta Horio,&nbsp;Enggah Kurniawan,&nbsp;Saho Nakayama,&nbsp;Takayoshi Hara,&nbsp;Takashi Kojima,&nbsp;Yasuhiro Yamada,&nbsp;Satoshi Sato","doi":"10.1016/j.apcata.2025.120513","DOIUrl":"10.1016/j.apcata.2025.120513","url":null,"abstract":"<div><div>In this study, we prepared SiO₂-supported niobium oxide (Nb/SiO₂) catalysts with optimized acid concentrations using an organic additive (OA)-assisted impregnation protocol for the vapor-phase aldol condensation of butanal to 2-ethyl-2-hexenal (2E2H). The inclusion of an OA, such as 18-crown-6-ether, during the impregnation process enhanced the acid concentration of the resulting Nb/SiO₂ catalyst. This increase in acid concentration proved to be crucial for the vapor-phase aldol condensation of butanal to 2E2H, as confirmed by a proportional correlation between the acid concentration and the formation rate of 2E2H. Additionally, the essential role of acid sites, in particular Brønsted acid sites, of the Nb/SiO₂ catalyst was confirmed through poisoning experiments using several probe molecules, including NH₃, CO₂, and 2,6- and 3,5-dimethylpyridine. Several other parameters, such as Nb content and molar ratio of OA to Nb, also affected the catalytic activity of Nb/SiO₂ catalyst.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"707 ","pages":"Article 120513"},"PeriodicalIF":4.8,"publicationDate":"2025-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144886302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Can the treatment of urea-derived g-C3N4 with H2SO4 be optimized by varying the acid concentration to enhance the efficiency of photocatalytic Cr(VI) reduction?","authors":"Jana Petrović ,&nbsp;Željko Radovanović ,&nbsp;Khaja Mohaideen Kamal ,&nbsp;Mina Medić ,&nbsp;Sanja Kuzman ,&nbsp;Michael Gasik ,&nbsp;Maja Popović ,&nbsp;Đorđe Janaćković ,&nbsp;Blaž Likozar ,&nbsp;Rada Petrović","doi":"10.1016/j.apcata.2025.120506","DOIUrl":"10.1016/j.apcata.2025.120506","url":null,"abstract":"<div><div>Urea-derived g-C₃N₄ (BCN) was treated with H₂SO₄ at different concentrations: very dilute (0.04 M), dilute (1 M and 4 M) and concentrated, with or without KMnO₄. Increasing concentration led to a decrease in specific surface area (<em>S</em>p), widening of the band gap (BG) and an increase in the acidic group content. Structural reorganization after the dissolution in concentrated H₂SO₄ led to the formation of much larger particles, especially when KMnO₄ was used. These samples had much lower <em>S</em>_p, wider BG, and a large difference in electron-hole recombination rates, which was attributed to different distributions of oxygen-containing groups. Despite the reduction in <em>S</em>_p, the H₂SO₄-treated samples exhibited a higher efficiency of Cr(VI) reduction under UV than BCN. Conversely, the enlarged BG affected the activity of the modified samples under visible light. The Cr(VI) reduction is dependent on pH during photocatalysis, which decreases as the content and acidity of surface groups increases.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"707 ","pages":"Article 120506"},"PeriodicalIF":4.8,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144865420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Surface modification of Fe-based catalysts for promoting highly selective linear α-olefin formation in Fischer-Tropsch synthesis","authors":"Xuejian Zhang ,&nbsp;Shuai Zhang ,&nbsp;Jie Liang ,&nbsp;Kangzhou Wang ,&nbsp;Xinhua Gao ,&nbsp;Qingxiang Ma ,&nbsp;Tian-Sheng Zhao ,&nbsp;Yurong He ,&nbsp;Jianli Zhang","doi":"10.1016/j.apcata.2025.120504","DOIUrl":"10.1016/j.apcata.2025.120504","url":null,"abstract":"<div><div>Fischer-Tropsch synthesis (FTS) is a pivotal technology for sustainable production of chemicals from non-fossil resources. However, the design of catalysts to tailor product distribution, particularly to enhance olefin selectivity, remains an enduring challenge. Herein, we report an iron-based catalyst modified with oxygen-containing groups, Fe₃O₄/HEC (hydroxyethyl group-modified), which demonstrates extraordinary catalytic performance in FTS without any alkali metal promoters. This catalyst exhibits high activity, achieving 41.36 % light olefin (C₂-C₄⁼) selectivity and an O/P ratio of 5.49. Meanwhile, the C₅⁺ hydrocarbon selectivity reaches 40.38 % (with 68.2 % linear α-olefins). The modified catalyst promotes the formation of iron carbides and facilitates the coupling of *CH_x to promote chain growth while suppressing secondary hydrogenation reactions, which is considered to account for the high selectivity toward olefins and heavy hydrocarbons.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"707 ","pages":"Article 120504"},"PeriodicalIF":4.8,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144852879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ti-modified Pt/Al2O3 catalyst for efficient continuous production of piperidine via selective pyridine hydrogenation","authors":"Wenbin Huang ,&nbsp;Kaikai Liu ,&nbsp;Han Yang ,&nbsp;Zhen Xu ,&nbsp;Tianyu Bai ,&nbsp;Yasong Zhou ,&nbsp;Qiang Wei ,&nbsp;Minghan Han","doi":"10.1016/j.apcata.2025.120505","DOIUrl":"10.1016/j.apcata.2025.120505","url":null,"abstract":"<div><div>Pyridine selective hydrogenation to piperidine is an important alternative to chemical synthesis. The commercial pyridine hydrogenation technologies taking Pt/Pd/Rh supported on carbon material as catalysts suffer from difficult molding and poor mechanical properties, resulting in their inability to be applied to continuous catalytic hydrogenation process. Here, Ti modified Pt-supported Al₂O₃ catalyst used in continuous hydrogenation process was synthesized via a one-pot hydrothermal method. Using a variety of complementary characterization methods, we identified the existence forms of Pt and Ti species in the catalyst. The results revealed that Ti modification decreased the density of strong Lewis acid sites on the catalysts, resulting in a decrease in Pt dispersion. Conversely, the introduction of Ti atoms significantly enhanced the reducibility of Pt species. This can be attributed to the formation of Ti^3 + species, whose presence effectively facilitated the reduction of higher-valent Pt species (Pt²⁺ and Pt⁴⁺) to Pt⁰. The Pt/Ti7.5/Al₂O₃ catalyst with 7.5 wt% TiO₂-containing achieved up to 87.8 % conversion of pyridine and 92.4 % selectivity of target product piperidine at 160 °C, 4.0 MPa, 300 H₂/oil (v/v), and 6 h⁻¹ LHSV in the fixed-bed continuous hydrogenation process, an improvement of 7.5 % and 9.9 % respectively, compared to Pt/Al₂O₃ catalyst. This optimal performance can be attributed to the balanced state of the active metal dispersion and reducibility at this specific Ti loading, where the synergy between these two factors maximized the active metal utilization ratio, thus leading to the catalyst being able to maximize its catalytic efficiency.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"707 ","pages":"Article 120505"},"PeriodicalIF":4.8,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144860210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Atmosphere-pretreatment-induced structural reorganization of Al2O3-supported phosphorus oxynitride for enhanced catalytic activity in ethylbenzene direct dehydrogenation","authors":"Yuan Ma ,&nbsp;Baining Lin ,&nbsp;Chaojun Guo ,&nbsp;Yang Yang ,&nbsp;Chuli Shi ,&nbsp;Shuobin Fu ,&nbsp;Yonghua Zhou","doi":"10.1016/j.apcata.2025.120503","DOIUrl":"10.1016/j.apcata.2025.120503","url":null,"abstract":"<div><div>Non-metallic materials have attracted continuous interest in the direct dehydrogenation (DDH) of ethylbenzene due to their coke resistance and environmental friendliness. However, the catalytic activity was limited by the exposed density of active sites in non-metal catalysts. Herein, we report an atmosphere-pretreatment strategy using H₂ or O₂ at 350 ℃ to improve the exposure of active sites in Al₂O₃-supported phosphorus oxynitride (PNO) catalysts, thereby enhancing their catalytic performance in DDH of ethylbenzene. XPS, FTIR, and in situ DRIFTS analyses demonstrated that H₂ or O₂ pretreatment partially cleaved P–N bonds in the P₃N₅ framework, inducing structural reorganization and exposing the inner N₂P = O groups, thereby increasing the active site density. Among them, the H₂-pretreated PNO/Al₂O₃ catalyst (PNO/Al₂O₃-H) exhibited the highest N₂P = O content (a 74.2 % increase compared with PNO/Al₂O₃), which resulted in the highest catalytic activity (<em>X</em>_<em>EB</em>=58.5 %) under high-concentration ethylbenzene feed (12.2 vol%). This work demonstrates, for the first time, the application of atmosphere pretreatment to phosphorus-nitrogen catalysts and proposes a novel strategy for regulating the active site in dehydrogenation catalysis.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"707 ","pages":"Article 120503"},"PeriodicalIF":4.8,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144852881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Construction of FeWO4/BiVO4 Z-Scheme heterojunctions with an internal electric field for efficient photo-Fenton degradation of organic pollutants","authors":"Wenhao Zhu ,&nbsp;Kailin Chen ,&nbsp;Yiling Cui ,&nbsp;Yaohui Tan ,&nbsp;Qingqing Qiu ,&nbsp;Jinming Zeng ,&nbsp;Tongxiang Liang","doi":"10.1016/j.apcata.2025.120499","DOIUrl":"10.1016/j.apcata.2025.120499","url":null,"abstract":"<div><div>Inefficient electron transfer and the Fe^2 + /Fe³⁺ cycling remained significant obstacles in the photo-Fenton reaction. In this paper, FeWO₄ particles were distributed on the surface of BiVO₄ using a two-step hydrothermal method to form a heterojunction structure, aiming to improve interfacial electron transfer efficiency and promote Fe²⁺/Fe³⁺ cycling. Through band structure analysis and density functional theory (DFT) calculations, the FeWO₄/BiVO₄ (FWBV) composite was found to exhibit an internal electric field (IEF) at the interface. This IEF facilitates the directional migration of photogenerated electrons, thereby enabling efficient charge transfer. Moreover, transient photovoltage (TPV) measurements showed that introducing FeWO₄ effectively extended the lifetime of photogenerated electrons, promoting Fe²⁺/Fe³⁺ cycling and consequently generating more reactive species. Therefore, the FWBV composite exhibited excellent photo-Fenton performance. The optimal FWBV composite achieved a degradation efficiency of 93.6 % for 10 mg/L of Tetracycline hydrochloride (TCH) within 15 min, surpassing the performance of pure FeWO₄ (56.63 %) and BiVO₄ (58.92 %). Furthermore, a possible mechanism for TCH degradation was proposed based on reactive species capture experiments and electron paramagnetic resonance (EPR) analysis. This work provided important insights for designing and constructing heterojunction structures with high electron transfer performance.</div></div>","PeriodicalId":243,"journal":{"name":"Applied Catalysis A: General","volume":"706 ","pages":"Article 120499"},"PeriodicalIF":4.8,"publicationDate":"2025-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144830825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}