Journal of Photochemistry and Photobiology A-chemistry最新文献

{"title":"Substituent effects on solid-state emission of 2,7,9-triphenylcarbazoles","authors":"Minoru Yamaji ,&nbsp;Tadashi Mori ,&nbsp;Hideki Okamoto","doi":"10.1016/j.jphotochem.2025.116794","DOIUrl":"10.1016/j.jphotochem.2025.116794","url":null,"abstract":"<div><div>Previously, we reported polycyclic aromatic hydrocarbons with multiple chromophores exhibit solid-state emission. We report synthesis and photophysical characterization of 2,7,9-triphenyl carbazole derivatives in which the phenyl rings at the 2- and 7-positions are selectively substituted with electron-donating and electron-withdrawing groups. The effects of these substituents on the emission properties were systematically investigated in solution and the solid state. The incorporation of electron-donating groups significantly enhanced the emission properties whereas electron-withdrawing groups had minimal impact. Density functional theory (DFT) calculations revealed that the highest occupied molecular orbitals (HOMOs) are predominantly localized on the carbazole core and electron-rich phenyl rings, while the lowest unoccupied molecular orbitals (LUMOs) are delocalized over the chromophore framework excluding the 9-phenyl moiety. Overall, the present study demonstrates a rational molecular design strategy for enhancing solid-state emission through peripheral electronic tuning of carbazole-based luminophores, with potential implications for the development of efficient organic light-emitting materials.</div></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":"472 ","pages":"Article 116794"},"PeriodicalIF":4.7,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Insights into bovine serum albumin (BSA) photooxidation mediated by mono-cationic porphyrins with Pd(II), Pt(II), and Ru(II) bipyridyl complexes","authors":"Juliany Naura Marciel Silva ,&nbsp;Jaqueline C. Desordi ,&nbsp;Eli Silveira Alves Ducas ,&nbsp;Otávio Augusto Chaves ,&nbsp;Marcos Eduardo Gomes Carmo ,&nbsp;Antonio Otávio Toledo Patrocinio ,&nbsp;Bernardo Almeida Iglesias ,&nbsp;Pablo José Gonçalves","doi":"10.1016/j.jphotochem.2025.116793","DOIUrl":"10.1016/j.jphotochem.2025.116793","url":null,"abstract":"<div><div>Porphyrins are well-established photosensitizers for photodynamic therapy (PDT), and mono-cationic derivatives often display enhanced interactions with biological targets; however, their interactions with albumins remain insufficiently understood. In this study, we investigated the interaction between bovine serum albumin (BSA) and the photooxidative behavior (halogen-lamp irradiation) of a mono-cationic free-base porphyrin (<strong>H₂MPyP</strong>) and its Pd(II), Pt(II), and Ru(II) complexes, alongside comprehensive electrochemical, photophysical, and protein-binding characterizations. Compared with tetra-cationic analogues, the mono-cationic porphyrins were more efficient at populating the triplet state and generating singlet oxygen. Among them, <strong>H₂MPyP</strong>, <strong>PdMPyP</strong>, and <strong>PtMPyP</strong> exhibited high triplet quantum yields (Φ_T ≈ 0.85), with <strong>H₂MPyP</strong> showing the highest singlet oxygen yield (Φ_Δ = 0.70). All compounds promoted BSA photooxidation, with the overall efficiency following <strong>PtMPyP &gt; PdMPyP &gt; H₂MPyP &gt; RuMPyP</strong>; notably, <strong>PtMPyP</strong> displayed the highest photodegradation rate constant (k_pd = 0.286 min⁻¹). Molecular docking located all porphyrins at site III (IB subdomain), stabilized by hydrophobic and π–cation interactions. No single descriptor (Φ_Δ, lipophilicity, or affinity) alone accounted for reactivity, supporting an “exposure–affinity window”: productive protein photooxidation requires sufficient binding for colocalization with BSA but adequate exposure to O₂ near oxidizable residues. These findings show that metal coordination fine-tunes both excited-state deactivation and protein oxidation, offering actionable guidelines for designing next-generation PDT photosensitizers with improved efficiency and selectivity.</div></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":"472 ","pages":"Article 116793"},"PeriodicalIF":4.7,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhanced electrochemical performance of Bi3O4Cl supercapacitors under solar radiation: A study on the impact of solar exposure for energy storage applications","authors":"Mahmut Serdar Sisecioglu ,&nbsp;Fatma Kilic Dokan ,&nbsp;Erkan Yilmaz ,&nbsp;M. Serdar Onses ,&nbsp;Ertugrul Sahmetlioglu","doi":"10.1016/j.jphotochem.2025.116788","DOIUrl":"10.1016/j.jphotochem.2025.116788","url":null,"abstract":"<div><div>Photo-powered and photo-responsive energy production and storage devices are promising alternatives to meet the growing energy demand in modern society. Solar energy is a clean and sustainable light source for these devices. Bismuth-based materials with oxychloride dopants exhibit superior optoelectronic properties due to their layered structure and rapid electron-hole pair separation ability. The unique crystal structure and inherent electrochemical properties of Bi₃O₄Cl make it an intriguing candidate for energy storage applications.</div><div>In this study, we investigated the electrochemical performance of Bi₃O₄Cl as a supercapacitor material, exposed to both direct solar radiation and solar simulator radiation. Electrochemical measurements were conducted in a three-electrode system using a 2 M KOH electrolyte solution. Cyclic Voltammetry (CV), Galvanostatic Charge-Discharge (GCD), and Electrochemical Impedance Spectroscopy (EIS) were performed.</div><div>In the GCD measurements, the pure material exhibited an average capacitance of 259.6 F g⁻¹, while specific average capacitance values of 689 F g⁻¹ and 676 F g⁻¹ were observed with direct sunlight exposure and solar simulator exposure, respectively. This represents approximately 165 % and 160 % enhancement in capacitance compared to the pure material.</div></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":"472 ","pages":"Article 116788"},"PeriodicalIF":4.7,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cu2-xSe@CuInSe2 hollow cage catalyst for efficient visible light degradation of antibiotics based on electric field co-regulation of charge directional transport","authors":"Zhao Liu ,&nbsp;Ziqi Pei ,&nbsp;Jinglei Yu ,&nbsp;Mengyuan Yu ,&nbsp;Tianshu Yang ,&nbsp;Xingang Li ,&nbsp;Chun Zhang","doi":"10.1016/j.jphotochem.2025.116769","DOIUrl":"10.1016/j.jphotochem.2025.116769","url":null,"abstract":"<div><div>The design and construction of a new hollow caged selenide for the degradation of refractory antibiotics in surface water is an effective way to improve the efficiency of solar energy utilization, but early photocatalysts often face problems such as high recombination efficiency of photogenerated carriers and slow transport kinetics. In this study, an asymmetric Cu_2-xSe nanocomposite catalyst modified with hollow caged structure CuInSe₂ was successfully constructed, in which the empty structure promotes the rapid directional transport of photogenerated charges through the synergistic effect of bulk electric field (BEF) and local surface electric field (LSEF). Photogenerated electrons are directed from the [Cu<img>Se] region through the [In<img>Se] region and migrate directionally to the hollow caged Cu_2-xSe surface. In the Cu_2-xSe@CuInSe₂–0.3 catalyst system, the degradation efficiency of tetracycline (TC) can reach 95.8 % within 30 min, and the rate constant is 0.11 min⁻¹, which is 8.5 times and 12.6 times that of Cu_2-xSe and CuInSe₂, respectively. The characterization results and density functional theory (DFT) calculations show that the photocatalytic activity driven by visible light is significantly improved by directionally guiding the charge transport path and enhancing the light absorption properties, providing a new idea for the development of refractory wastewater treatment and wheat growth environment.</div></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":"472 ","pages":"Article 116769"},"PeriodicalIF":4.7,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sub-band engineered carbon dots/g-C3N4 heterojunction for boosting tetracycline degradation via dual reactive oxygen species","authors":"Xiaoling Chen ,&nbsp;Yuxin Zhang ,&nbsp;Juan Xu ,&nbsp;Xiaogang Xue","doi":"10.1016/j.jphotochem.2025.116791","DOIUrl":"10.1016/j.jphotochem.2025.116791","url":null,"abstract":"<div><div>The development of metal-free photocatalysts with enhanced visible-light absorption and charge separation efficiency is critical for addressing environmental pollution. Herein, we present a Localized graphitization-assisted synthesis of carbon dots (CDs)-integrated g-C₃N₄ heterojunctions (CDs-CN), featuring tailored sub-band states and optimized interfacial charge dynamics. The CDs-CN hybrid exhibits a unique tubular morphology, significantly extending visible-light absorption and facilitating rapid electron transfer from g-C₃N₄ to CDs. This innovative design achieves 86.0 % tetracycline (TC) degradation within 40 min under visible light irradiation, with a kinetic constant (k = 0.0457 min⁻¹) 4.7-fold and 76.2-fold higher than pristine g-C₃N₄ and pure CDs, respectively. Photoelectrochemical analysis and radical trapping experiments reveal that the Schottky heterojunction drives spatially separated electron-hole pairs: electrons on CDs reduce O₂ to superoxide radicals (·O₂⁻), while holes on g-C₃N₄ react with ·O₂⁻ to generate singlet oxygen (¹O₂), synergistically mineralizing TC through demethylation and ring-opening pathways. Remarkably, CDs-CN retains &gt;90 % activity over five cycles, demonstrating exceptional stability. This work provides a green, metal-free heterojunction design for antibiotic wastewater remediation, bridging advanced material engineering with sustainable environmental applications.</div></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":"472 ","pages":"Article 116791"},"PeriodicalIF":4.7,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Performance evaluation and mechanistic insights into melanoidin adsorption and photodegradation by PMoV-X@101(Fe)","authors":"Wenju Zhang ,&nbsp;Cuiqing Si ,&nbsp;Siqi Yan ,&nbsp;Dan Zhang","doi":"10.1016/j.jphotochem.2025.116785","DOIUrl":"10.1016/j.jphotochem.2025.116785","url":null,"abstract":"<div><div>To address the substantial presence of melanoidin (MD) in wastewater, a Z-scheme heterojunction photocatalyst, PMoV-X@101(Fe), was synthesized using a metal-organic framework (101(Fe)) and polyoxometalate (H₅PMo₁₀V₂O₄₀, PMoV) via an in situ hydrothermal method. Subsequently, a systematic study was carried out to assess the adsorption performance of PMoV-X@101(Fe)for MD, including its adsorption capacity, isotherms, kinetics, and underlying mechanisms. In addition, the degradation performance of PMoV-X@101(Fe) was also assessed by analyzing the degradation kinetics, the reactive species involved, and their interactions. The results showed that PMoV-X@101(Fe) exhibited an exceptional adsorption capacity of 450 mg/g, driven primarily by electrostatic interactions and hydrogen bonding. Furthermore, under visible light irradiation for 40 min, PMoV-0.2@101(Fe) achieved a 90.2 % degradation rate of a 500 mg/L MD solution. The dominant reactive species, O₂⋅⁻ and h⁺, synergistically interacted with ⋅OH and ¹O₂, In addition to these findings, the influence of coexisting ions on MD degradation, along with toxicity assessments, recyclability, and catalyst stability, was also explored. Compared with previously reported materials, PMoV-X@101(Fe) independently provides both high adsorption and high photocatalytic activity, while treated MD solutions exhibited reduced toxicity, demonstrating environmental safety. Overall, PMoV-X@101(Fe) demonstrated dual-function efficiency, robust stability, and practical applicability, offering a comprehensive strategy for MD removal and addressing critical gaps in wastewater treatment research.</div></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":"472 ","pages":"Article 116785"},"PeriodicalIF":4.7,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multicomponent modification of nano-TiO2 with defective ZSM-5, CuO and Ag for enhanced photocatalytic and antibacterial performance","authors":"Cheng Wang,&nbsp;Xinchao Liang,&nbsp;Lipeng Wang,&nbsp;Qianru Yu,&nbsp;Fuling Du,&nbsp;Siqi Liu,&nbsp;Xingchi Yao,&nbsp;Dingguo Zhai","doi":"10.1016/j.jphotochem.2025.116787","DOIUrl":"10.1016/j.jphotochem.2025.116787","url":null,"abstract":"<div><div>Multicomponent TiO₂-based nanocomposites were engineered via impregnation-calcination and ion exchange/photoreduction methods, incorporating defective ZSM-5, CuO, and Ag with nano-TiO₂ to synergistically enhance photocatalytic and antibacterial functionalities. Comprehensive characterization using XRD, FTIR, XPS, EDX, TEM, N₂ sorption-desorption technique, PL, EIS, UV–vis DRS, and EPR confirmed the successful integration of components and revealed critical structural and electronic properties. The CuO/TiO₂/ZSM-5 and Ag/CuO/TiO₂/ZSM-5 composites demonstrated significantly enlarged specific surface area (338 m²/g and 326 m²/g, respectively), extended visible-light absorption (532 nm and 422 nm, respectively), and suppressed charge-carrier recombination. Evaluations using methyl orange degradation and <em>Escherichia coli</em> inactivation under UV/visible light and dark conditions revealed exceptional performance. The synergistic effects among defective ZSM-5 (providing active sites and adsorption capacity), CuO/Ag (facilitating electron trapping and plasmonic effects), and TiO₂ resulted in elevated photogenerated radical yields (e.g., •OH, •O₂⁻), driving remarkable enhancements in both photocatalytic efficiency (99 % and 93 % of MO removal for CuO/TiO₂/ZSM-5 and Ag/CuO/TiO₂/ZSM-5 composites, respectively), and broad-spectrum antibacterial activity, even in the absence of light (75.2 % and 83.3 % <em>E. coli</em> inactivation for CuO/TiO₂/ZSM-5 under dark and pre-irradiation conditions; &gt;99 % for Ag/CuO/TiO₂/ZSM-5 under both conditions).</div></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":"472 ","pages":"Article 116787"},"PeriodicalIF":4.7,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Novel Eu3+ doped red phosphor with zero concentration quenching effect for WLEDs and latent fingerprint detection","authors":"Chao Wei ,&nbsp;Jie Zhang ,&nbsp;Jingyu Ran","doi":"10.1016/j.jphotochem.2025.116750","DOIUrl":"10.1016/j.jphotochem.2025.116750","url":null,"abstract":"<div><div>Efficient red phosphors can significantly enhance the performance of phosphor-converted white light-emitting diodes (pc-LEDs). In this study, Sr₉La₂(WO₆)₄: <em>x</em>Eu³⁺ red phosphors with no observable concentration quenching were synthesized via the conventional solid-state method and systematically characterized. The results indicate that the Eu³⁺-activated Sr₉La₂(WO₆)₄ phosphors can effectively absorb near-ultraviolet and blue light and emit strong red light, which is consistent with commercial excitation chips. Concentration-dependent photoluminescence (PL) shows that the phosphor exhibits no concentration quenching, suggesting superior emission properties compared to commercial red phosphors and previously reported Eu³⁺ phosphors. The synthesized phosphors were encapsulated with commercial phosphors to fabricate white LED devices. Optical testing revealed that the LED devices exhibited a high color rendering index (Ra = 93.495) and excellent correlated color temperature (CCT = 4423). Infrared thermal imaging demonstrated good thermal stability and heat dissipation performance of the LED device. In addition, the fluorescent LFP image prepared by Sr₉La₂(WO₆)₄: <em>x</em>Eu³⁺ phosphor has excellent visualization effect, and can clearly display the characteristics of different levels of fingerprints on different surfaces. The research shows that Sr₉La₂(WO₆)₄: <em>x</em>Eu³⁺ red phosphor has great application potential in the field of solid state lighting and LFP detection.</div></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":"472 ","pages":"Article 116750"},"PeriodicalIF":4.7,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Commercial trans-β-nitrostyrene analogues for colorimetric cyanide (CN−) detection via Michael addition-based chemodosimetric approach validated by comparative investigations, DFT, and strip method","authors":"Muthaiah Shellaiah ,&nbsp;Basheer Aazaad ,&nbsp;Ming-Chang Lin ,&nbsp;Kien-Wen Sun ,&nbsp;Arumugam Murugan ,&nbsp;K. Anandan ,&nbsp;Mayank Bhushan ,&nbsp;Mani Sivakumar ,&nbsp;Wen-Tai Li","doi":"10.1016/j.jphotochem.2025.116786","DOIUrl":"10.1016/j.jphotochem.2025.116786","url":null,"abstract":"<div><div>Using commercial materials for colorimetric detection of toxic cyanide (CN⁻) anions can greatly improve safety and benefit society. This work discusses the colorimetric sensing properties of commercially available trans-β-nitrostyrene analogues, including trans-β-nitrostyrene (<strong>P1</strong>), trans-4-methoxy-β-nitrostyrene (<strong>P2</strong>), trans-4-methyl-β-nitrostyrene (<strong>P3</strong>), trans-4-fluoro-β-nitrostyrene (<strong>P4</strong>), trans-4-bromo-β-nitrostyrene (<strong>P5</strong>), trans-4-chloro-β-nitrostyrene (<strong>P6</strong>), and trans-β-methyl-β-nitrostyrene (<strong>P7</strong>), in dimethyl sulfoxide (DMSO) and acetonitrile (ACN). <strong>P1</strong>-<strong>P4</strong> show strong reddish-pink and yellowish-orange colors while detecting CN⁻ ions in DMSO and ACN, with new UV–visible peaks appearing at 515 nm/510 nm and at 490 nm/485 nm, respectively. Conversely, <strong>P5</strong> and <strong>P6</strong> exhibit mild color responses to CN⁻ in DMSO and ACN, with absorbance peaks at 505 nm/510 nm and at 490 nm/430 nm, respectively. <strong>P7</strong> shows no selectivity for CN⁻ ions due to steric and electronic structural effects. The high selectivity of <strong>P1</strong>-<strong>P4</strong> for CN⁻ is confirmed through interference studies. pH values of 6 and 7 are ideal for sensory testing. The sensor response of <strong>P1</strong>-<strong>P6</strong> to CN⁻ is linear across a range of 0.1 to 1000 μM (μM = 10⁻⁶ M), with estimated detection limits (LODs) at 10⁻⁹–10⁻⁶ M. Nuclear Magnetic Resonance (NMR), mass spectra, and density functional theory (DFT) analyses validate the Michael addition as the sensing mechanism. The test strip method demonstrates the solid-state colorimetric sensing ability of <strong>P1</strong>-<strong>P3</strong> for CN⁻ ions. Spiked CN⁻ ions in water samples show the real-time sensing capability of <strong>P1</strong>-<strong>P4</strong>. These results open the door for future designs using different fluorophores with nitro (-NO₂) Michael acceptor.</div></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":"472 ","pages":"Article 116786"},"PeriodicalIF":4.7,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"One-step hydrothermal synthesis of lithium slag-based zeolite for the ultrafast photocatalytic degradation of tetracycline","authors":"Yue Jin,&nbsp;Yi Chen,&nbsp;Dayu Zhou,&nbsp;Li Wu,&nbsp;Haolan Zhang,&nbsp;Jinchuan Gu","doi":"10.1016/j.jphotochem.2025.116783","DOIUrl":"10.1016/j.jphotochem.2025.116783","url":null,"abstract":"<div><div>This study converted lithium slag (LS) into a zeolite photocatalyst (LZ) via a one-step hydrothermal method, achieving the ultrafast ultraviolet (UV) photocatalytic degradation of tetracycline (TC). The TC adsorption capacity of LZ (20.35 %) was significantly enhanced by 17.84 % compared to that of LS (2.51 %), which was attributed to a more extensive specific surface area, which increased by approximately 42.29 m²/g. The LZ displayed a degradation rate of 68.35 % within 3 min at UV light of 365 nm and a high rate constant of 0.3620 min⁻¹, which was 46.95–64.69 % (0.3569–0.3615 min⁻¹) higher than LZ or UV alone, respectively. The underlying mechanism was attributed to •O₂⁻/<em>h</em>⁺-dominated oxidation and significantly enhanced photoelectric separation efficiency. In addition, the LZ/UV system also demonstrated stable photocatalytic capacity and high practicality. This photocatalyst shows promise for domestic sewage treatment, providing a sustainable, efficient solution for waste resource utilization.</div></div>","PeriodicalId":16782,"journal":{"name":"Journal of Photochemistry and Photobiology A-chemistry","volume":"472 ","pages":"Article 116783"},"PeriodicalIF":4.7,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}