Journal of Environmental Chemical Engineering最新文献

{"title":"Structural dynamics and multifunctionality of zero-dimensional Sb-based halides: Unveiling anomalous thermal quenching and pressure-driven luminescence control","authors":"Daxi Pan ,&nbsp;Liangyi Gu ,&nbsp;Bo Wang ,&nbsp;Xiaoshuang Li ,&nbsp;Jingrui Zhang ,&nbsp;Jiahong Li ,&nbsp;Ruijing Fu ,&nbsp;Youchao Kong ,&nbsp;Qingguang Zeng","doi":"10.1016/j.jece.2025.119258","DOIUrl":"10.1016/j.jece.2025.119258","url":null,"abstract":"<div><div>Zero-dimensional lead-free metal halides have emerged as promising alternatives for optoelectronic applications, yet their thermal quenching behavior and limited spectral tunability remain challenging. Herein, a zero-dimensional (0D) antimony-based halide is reported, (C₁₂H₂₈N)₂SbCl₅, exhibiting anomalous negative thermal quenching (NTQ) and pressure-driven multicolor cycling. The crystal demonstrates near-unity photoluminescence (PL) quantum yield at room temperature and exceptional thermal stability to 518 K. Remarkably, an NTQ effect (80–250 K) arises from thermally activated defect to self-trapped exciton (STE) energy transfer, countering nonradiative losses. Under high pressure, in situ photoluminescence reveals reversible emission color cycling and a 200 % intensity enhancement at 3.2 GPa, attributed to [SbCl₅]^2- pyramidal distortion, bandgap narrowing, and selective STE state modulating. Density functional theory calculations confirm that lattice compression shorten Sb-Cl bonds, reduces electron-phonon coupling, and stabilizes metastable STEs. Practical applications are demonstrated in high-resolution latent fingerprint imaging under UV light and as stable plant-growth LEDs, where the emission spectrum optimally matches chlorophyll absorption. This work provides fundamental insights into defect-mediated STE dynamics and establishes a dual-stimuli-responsive platform for tunable luminescence in optoelectronics and imaging technologies.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 6","pages":"Article 119258"},"PeriodicalIF":7.2,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145048176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The in-situ construction of 2D/2D Bi2O2CO3/Bi2MoO6 Z-scheme heterojunction photocatalysts via the shared [Bi2O2]2 + layers in Bi2O2CO3 for efficient photocatalytic oxidation of Hg0","authors":"Yifan Liu ,&nbsp;Xiantuo Chen ,&nbsp;Bin Chen ,&nbsp;Zhou Shi ,&nbsp;Le Chen ,&nbsp;Huanan Wang ,&nbsp;Jili Wen ,&nbsp;Tao Wang ,&nbsp;Ping He ,&nbsp;Jiang Wu","doi":"10.1016/j.jece.2025.119264","DOIUrl":"10.1016/j.jece.2025.119264","url":null,"abstract":"<div><div>Hg⁰ pollutants in the flue gas of coal-fired power plants pose a significant threat to the environment. Exploring the efficient removal of Hg⁰ using environmentally friendly photocatalytic technology is of great importance. Bi-based photocatalysts have become a research hotspot in the field of photocatalysis due to their tunable bandgap and excellent catalytic performance. The 2D/2D Bi₂O₂CO₃/Bi₂MoO₆ Z-scheme heterojunction composite photocatalyst was constructed via in situ epitaxial growth of Bi₂MoO₆ nanosheets on Bi₂O₂CO₃ through their highly similar [Bi₂O₂]²⁺ layered structures, achieving exceptional photocatalytic Hg⁰ oxidation efficiency in flue gas (with an efficiency of up to 92.21 %). The 2D/2D configuration provides an extensive contact area, making it an ideal optoelectronic platform for exploring heterojunction designs. The structure of the composite photocatalyst was characterized using XRD, SEM, TEM, BET, and AFM, confirming the successful construction of the 2D/2D heterojunction. The optimal sample, BOC-BMO-2, exhibited excellent photoelectrochemical performance and photocatalytic stability, attributed to the strong bonding between the [Bi₂O₂]²⁺ layers of Bi₂O₂CO₃ and the [MoO₄]²⁻ layers of Bi₂MoO₆. Combined XPS, ESR, and DFT analyses elucidated the Z-scheme heterojunction's regulatory role in charge carrier dynamics, where the synergistic interplay between the intrinsic internal electric field (IEF) and engineered oxygen vacancies (O_v) significantly enhanced charge separation and directional migration. Leveraging the exceptional charge separation efficiency of the 2D/2D Bi₂O₂CO₃/Bi₂MoO₆ photocatalyst, this work successfully identified the reaction mechanism and detailed pathway for Hg⁰ oxidation. The findings provide a groundbreaking strategy for constructing stable and efficient Z-scheme heterojunctions, with far-reaching applications in air purification and global mercury management.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 6","pages":"Article 119264"},"PeriodicalIF":7.2,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Unraveling the role of abundant and rare species in antibiotic resistance genes migration in soil-crops system under different fertilization regimes","authors":"Dandan Zhang ,&nbsp;Zhengzhe Fan ,&nbsp;Qifan Yang,&nbsp;Ruolan Li,&nbsp;Houyu Li,&nbsp;Yan Xu","doi":"10.1016/j.jece.2025.119259","DOIUrl":"10.1016/j.jece.2025.119259","url":null,"abstract":"<div><div>The microbiome plays a critical role in the dissemination of antibiotic resistance genes (ARGs) in the soil-crop system. Yet, how abundant/rare species distinctly contribute to the evolution of ARGs and their underlying mechanisms are still poorly understood. We investigated the distribution of ARGs in soils and crops under different fertilization and dissect the contributions of abundant/rare species to ARGs distribution and their ecological and metabolic mechanisms. Our results showed that recommended fertilizer amendments with biochar (RF-BC) or humic acid (RF-HA) significantly attenuated ARGs dissemination (<em>p</em> &lt; 0.05), mainly by disrupting soil-to-crop transmission. For example, the relative abundances of ARGs such as <em>Hpyl_rpoB_RIF</em>, <em>Saur_mupB_MUP</em>, <em>Sent_ramR</em>, and <em>Bpse_Omp38</em> decreased by 3.29∼76.19 % compared to other treatments. This was primarily attributed to BC/HA ability to enhance the contribution of rare species to ARGs distribution, mainly through niche preemption and competitive exclusion of ARG hosts. The RF-BC/RF-HA can alter microbial carbon metabolism, and the ‘fast carbon’ resources typically utilized by abundant species are converted into ‘slow carbon’ forms that support rare species, leading to an expansion of rare species niche occupation. Also, the RF-BC can alleviate cellular oxidative stress, thereby reducing ARGs proliferation, whereas no such effect was observed in HA. Additionally, RF-BC/RF-HA reduced the abundance of mobile genetic elements, with the relative abundances of <em>tnpA-3</em> and <em>tnpA(IS5)</em> decreasing by 41.50∼81.10 % and 17.24∼70.92 %, respectively, which is directly associated with the reduction in soil ARG abundance. This study lays the groundwork for improving fertilization strategies to limit ARG spread and reduce related ecological and health risks.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 6","pages":"Article 119259"},"PeriodicalIF":7.2,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145097729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Structural optimization of hydrocyclone for reducing volume of Sb-contaminated soil","authors":"Yiwei Wang ,&nbsp;Tao Li ,&nbsp;Yuan Huang ,&nbsp;Wenjie Lv ,&nbsp;Xianyu Xu ,&nbsp;Hui Li","doi":"10.1016/j.jece.2025.119263","DOIUrl":"10.1016/j.jece.2025.119263","url":null,"abstract":"<div><div>In the ex-situ washing process of Sb-contaminated soil, vibration screening effectively reduces the volume of soil requiring washing. However, further classification and volume reduction of particles below 75 μm remain challenging due to high clay content. A 25 mm hydrocyclone was optimized to address this issue with numerical simulation and experiment, focusing specifically on the impact of cylindrical height on separation performance. Numerical simulations revealed that increasing <em>h</em>_<em>c</em><em>/b</em> from 1 to 3 led to a continuous decrease in the tangential velocity of the internal flow field and the axial velocity of the outer vortex. Concurrently, the number of vortex cores increased from 1 to 3, adversely affecting separation efficiency. When <em>h</em>_<em>c</em><em>/b</em> increases from 1 to 1.5, the separation efficiency exhibits the most significant decline, with a maximum decrease of up to 20.8 %, so the presence of a cylindrical height in the mini-hydrocyclone compromises separation performance. Reduction experiments demonstrated a maximum volume reduction efficiency of 68 % for Sb-contaminated soil particles below 75 μm. Additionally, a novel method was proposed for predicting the critical particle size of soil particles with heavy metal content exceeding standard limits based on hydrocyclone classification. The results identified the critical particle size of Sb-contaminated soil as 36.9 ± 3.8 μm. This study may provide significant implications for the volume reduction of heavy metal contaminated soil, potentially reducing equipment investment as well as operation and maintenance costs.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 6","pages":"Article 119263"},"PeriodicalIF":7.2,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"ZnAl-MMO, synthesized with Al extracted from saline slags, combined with carbon nitride and gold nanoparticles for the catalytic photodegradation of antibiotic norfloxacin","authors":"L. Santamaría ,&nbsp;S.A. Korili ,&nbsp;A. Gil ,&nbsp;J.M. López-de-Luzuriaga ,&nbsp;M. Monge","doi":"10.1016/j.jece.2025.119255","DOIUrl":"10.1016/j.jece.2025.119255","url":null,"abstract":"<div><div>Mixed metal oxides (MMO) formed from Zinc-Aluminum Layered Double Hydroxides (LDH), synthesized with Al extracted from saline slags, were combined with carbon nitride with a simple vapor deposition method, to form 2D/2D heterostructured photocatalysts. Two calcination temperatures were tested for the synthesis of MMO (520 and 850 °C) and their performance was tested for the degradation of the antibiotic norfloxacin under visible light. In addition, these catalysts were impregnated with gold nanoparticles (Au NPs) in two metal weight percentages (0.5 and 1 wt%) to evaluate if there was an improvement in the composites’ catalytic performances. Samples were characterized by PXRD, TEM, XPS, TGA, FTIR, DRS and FL. Results obtained show that the introduction of Au NPs in the composite improves the degradation efficiency of norfloxacin and that, when the catalyst is capable of adsorbing the contaminant, a lower calcination temperature outperforms the benefits of the spinel presence.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 6","pages":"Article 119255"},"PeriodicalIF":7.2,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synergistic effect of photothermal-assisted photocatalysis and S-scheme heterojunction in Mn3O4/BiOI towards efficient pollutants degradation","authors":"Jun Chen ,&nbsp;Shanglong Hao ,&nbsp;Leilei Zhang ,&nbsp;Haoran Ma ,&nbsp;Zilin Wu ,&nbsp;Chao Huang ,&nbsp;Yu Li ,&nbsp;Jingjie Liu ,&nbsp;Ji-Chao Wang","doi":"10.1016/j.jece.2025.119239","DOIUrl":"10.1016/j.jece.2025.119239","url":null,"abstract":"<div><div>Photocatalytic degradation of antibiotic and organic pollutants in wastewater constituted a pivotal strategy for achieving environmental sustainability. We fabricated a novel S-scheme Mn₃O₄/BiOI heterojunction, further in-depth investigating the photothermal-assisted photocatalytic activity for pollutants degradation. The optimized Mn₃O₄/BiOI-100 composite exhibited superior full-sunlight- induced catalytic activity for tetracycline degradation, demonstrating more 3.29-fold enhancements compared to pristine Mn₃O₄ and BiOI. This performance enhancement arose from the effects of efficient charge separation through the S-scheme mechanism and favorable photothermal catalyst surface. Notably, the composite maintained robust catalytic efficiency in complex aqueous matrices containing various ions. Biological validation through rice seed germination assays revealed complete elimination of phytotoxicity in treated pollutant solutions, realizing the value-added catalytic conversion from nocuous molecules. Radical trapping experiments identified •OH and •O₂^⁻ as primary reactive species, consistent with the proposed S-scheme mechanism subsequently verified by in situ XPS analysis. The photocatalytic degradation and COD removal abilities were also significantly enhanced for other six organic pollutants such as rhodamine B, congo red, methyl orange, methylene blue, p-chlorophenol, and phenol. This study provides a design blueprint for constructing photothermal-assisted S-scheme heterojunction photocatalysts for practical water purification applications.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 6","pages":"Article 119239"},"PeriodicalIF":7.2,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145048497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Morphology-performance relationship in hollow-sphere cobalt sulfide photocatalysts for solar-light-driven dye degradation: Integration of RSM, DFT, and machine learning","authors":"Hassanien Gomaa ,&nbsp;Yanfang Zhai ,&nbsp;Tianyu Wang ,&nbsp;Cuihua An ,&nbsp;Alamusi Lee ,&nbsp;Qibo Deng ,&nbsp;Ning Hu","doi":"10.1016/j.jece.2025.119235","DOIUrl":"10.1016/j.jece.2025.119235","url":null,"abstract":"<div><div>Given the severe toxic effects of cationic dyes on various ecosystems, the removal of these pollutants from water is a globally critical environmental issue. Moreover, the morphology-tailored synthesis of novel materials plays a crucial role in effectively removing cationic dyes. In this study, an efficient hollow-sphere cobalt sulfide (CoS) photocatalyst was synthesized using a structure-tailored approach to degrade targeted dyes, such as methylene blue (MB), crystal violet (CV), rhodamine B (RB), and rhodamine 6 G (R6G), under simulated solar radiation. The controlling-synthesized CoS photocatalyst offered notable removal performance of 98.7, 93, 76, and 84.5 % for MB, CV, RB, and R6G, respectively, at neutral pH conditions. The void-sphere design substantially boosted photocatalytic degradation (PCD) performance by supplying an expansive surface area and aiding effective light capture, contributing to augmented contaminant eradication. Surface response analysis and artificial intelligence modelling were harnessed to refine dye-breakdown parameters, determining that pH, catalyst quantity, and light exposure time optimize dye degradation performance. The research outcomes established that charge-based interactions and OH^• production powered the dye-decomposition process. Mechanisms behind enhancing PCD performance were investigated via quantum mechanical analysis and non-covalent interaction studies. Additionally, the cavited-sphere-like CoS catalyst presented outstanding recyclability, and structural durability features even after three degradation cycles. In conclusion, the cavity-sphere CoS catalyst's high performance, affordability, rapid synthesis, and eco-friendliness features make it a promising option for large-scale environmental cleanup efforts.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 6","pages":"Article 119235"},"PeriodicalIF":7.2,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Whether the hybridization of polystyrene, polyethylene, and polypropylene microplastics impacts aquatic carbon leakage from water hyacinth: A case study considering per(poly)fluorocarboxylicacid cocontamination","authors":"Zi-wei Chen ,&nbsp;Zu-lin Hua ,&nbsp;Ye-bing Shi ,&nbsp;Li Gu ,&nbsp;Chun Wang","doi":"10.1016/j.jece.2025.119250","DOIUrl":"10.1016/j.jece.2025.119250","url":null,"abstract":"<div><div>Microplastics (MPs), per(poly)fluoroalkyl substances (PFASs), and their co-occurrence have reshaped aquatic ecosystems in various ways, particularly by affecting floating macrophytes and their associated aquatic carbon. The release of aquatic carbon is crucial for shaping the microenvironment, enhancing eco-remediation efficiency, and managing greenhouse gases, in the water column associated with floating macrophytes. This study focused on the impact of MP components on this process and further considered the co-contamination scenarios involving perfluorooctanoic acid (PFOA) and hexafluoropropylene oxide dimer acid (GenX). Hydroponics simulation experiments using <em>Eichhornia crassipes</em> (<em>E. crassipes</em>) revealed that, after 14-day exposure, the released amount of aquatic carbon increased with higher degrees of MP hybridization. The similar trends were observed under PFOA/GenX co-pollution. Compared with the pollution-free group, the contamination treatments caused significant heterogeneity in the UV–visible spectra and fluorescence matrices of the dissolved organic matter (DOM) released by <em>E. crassipes</em>. Two key fluorescent components of DOM were identified via parallel factor analysis. Their relative proportions shifted to varying degrees under PFAS contamination and further modified by MP hybridization, indicating alterations in DOM transformation. According to Mantel test, among environmental impact factors selected in this study, MP hybridization did not show a relatively significant direct association with overall DOM properties, whereas colloid size exhibited strong correlations with DOM characteristics. However, specifically, in the presence of PFOA/GenX, MP hybridization tended to induce <em>E. crassipes</em> to release DOM with smaller molecular size and lower aromaticity. This study enhances strategic understanding of macrophyte-based phytoremediation, lacustrine management, and carbon sequestration, particularly under complex pollution scenarios.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 6","pages":"Article 119250"},"PeriodicalIF":7.2,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145061008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Direct Z-scheme Sc2CF2/SnS2 heterojunction with high solar-to-hydrogen efficiency for photocatalytic water splitting","authors":"Fuqiang Ai ,&nbsp;Qingquan Xiao ,&nbsp;Jianfeng Ye ,&nbsp;Dahai Yu ,&nbsp;Songguo Yu ,&nbsp;Liqin Zhang ,&nbsp;Quan Xie ,&nbsp;Sheng Li ,&nbsp;Xiaoping Wu","doi":"10.1016/j.jece.2025.119185","DOIUrl":"10.1016/j.jece.2025.119185","url":null,"abstract":"<div><div>Rational design of two-dimensional (2D) van der Waals (vdW) heterojunction enables effective separation of photogenerated carriers, providing a viable solution for low photocatalytic efficiency of single-component 2D materials. Herein, a novel Sc₂CF₂/SnS₂ heterojunction was designed and its feasibility as a photocatalyst for solar-driven water splitting was comprehensively investigated using first-principles calculations. The Sc₂CF₂/SnS₂ heterojunction exhibits type-II staggered band alignment with band edges straddling water splitting redox potentials, while interfacial charge transfer pathway follows a direct Z-scheme mechanism. By integrating the optical merits of Sc₂CF₂ and SnS₂ monolayers, the Sc₂CF₂/SnS₂ heterojunction attains enhanced spectral response and remarkable solar-to-hydrogen (STH) efficiency of 42.40 %. Thermodynamic spontaneity of overall photocatalytic water splitting is demonstrated on the Sc₂CF₂/SnS₂ surface within a pH range of 5.60–12.37. Furthermore, within the 0 %–4 % strain window, the band edges of the Sc₂CF₂/SnS₂ heterojunction satisfy the thermodynamic requirements for solar-driven water splitting across acidic, neutral and alkaline environments. External electric fields further enable precise modulation of the bandgap and band edges, offering tunable photocatalytic performance. These findings suggest the significant potential of the Sc₂CF₂/SnS₂ heterojunction for solar-driven water splitting and provide new strategies for developing high-efficiency photocatalysts.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 6","pages":"Article 119185"},"PeriodicalIF":7.2,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145048174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multifunctional visual photoelectrochemical sensor based on ternary Sb2WO6/P@g-C3N4/Ag2S nanocomposite for selective mercury-ion monitoring in environmental matrices and energy storage applications","authors":"Abishek Jayapaul ,&nbsp;Sanjay Ballur Prasanna ,&nbsp;Lu-Yin Lin ,&nbsp;Rajalakshmi Sakthivel ,&nbsp;Yu-Chien Lin ,&nbsp;Ching-Wei Tung ,&nbsp;Ren-Jei Chung","doi":"10.1016/j.jece.2025.119247","DOIUrl":"10.1016/j.jece.2025.119247","url":null,"abstract":"<div><div>This study presents the novel finding on a multifunctional Sb₂WO₆/P@g-C₃N₄/Ag₂S nanocomposite for both ultra-sensitive mercury detection and high-performance supercapacitor applications, synthesized via a scalable, eco-friendly process. In this study, metal tungstates were selected for their largely untapped potential, and their performance was improved via surface modifications and bandgap engineering. The composite was developed using P@g-C₃N₄ as a stable immobilization platform and Ag₂S, a I–IV semiconductor, to promote the formation of hybrid heterojunctions. These heterojunctions enhanced the optical properties and offered appropriate redox potentials. The proposed photoelectrochemical sensor effectively detected Hg^2 + in different water matrices, achieving a detection limit of 0.02 pM. The fabricated electrode exhibited excellent selectivity and strong reproducibility. Moreover, the asymmetric supercapacitor designed using the proposed nanocomposite exhibited a specific capacitance of 532.79 F/g at a current density of 1 A/g. This supercapacitor also demonstrated enhanced energy and power densities of 28.4 Wh/kg and 1733.73 W/kg, respectively, as well as a capacitive retention of 89.3 %. This novel ternary system offers a dual-functional platform with practical relevance in real-time mercury ion monitoring and sustainable energy storage, representing a significant step toward integrated environmental sensing and power solutions.</div></div>","PeriodicalId":15759,"journal":{"name":"Journal of Environmental Chemical Engineering","volume":"13 6","pages":"Article 119247"},"PeriodicalIF":7.2,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145048104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}