JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
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2026
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IF 4.4
Xiaojing Tian,Zhiqi Qu,Jiaoyang Wang,Ying Zhang,Zhiping Li,Dandan Peng
Construct TiO 2 @MIL-101-Fe S-scheme via impregnation in situ hydrolysis. • Hierarchically distributed TiO 2 maximizes interfacial contact. • Achieves 13.91% cyclohexane conversion and retains high activity after five cycles. • Interfacial fields drive spatial charge separation and preserve redox potentials. • Hierarchical confinement and pore-mouth anchoring enable selective C H activation. The selective photocatalytic oxidation of cyclohexane is a sustainable and environmentally friendly route for KA-oil production, yet it remains limited by low conversion, moderate selectivity, and inefficient charge utilization. This study employed an in-situ TBOT hydrolysis strategy to synthesize a TiO 2 @MIL-101-Fe S-scheme heterojunction with hierarchically distributed TiO 2 nanodomains within the MOF pores, at pore mouths, and on the external surface. This spatially engineered heterostructure enhances photogenerated carrier separation, stabilizes the interface, and improves cyclohexane oxidation efficiency and KA-oil selectivity. The optimized 50 wt% composite material achieved a cyclohexane conversion rate of 14.3%, which was 2.17 times that of the original MIL-101-Fe material. Meanwhile, it still maintained a cyclohexane conversion rate of up to 13.9% and excellent catalytic activity after five cycles. Steady-state and time-resolved photoluminescence, electrochemical impedance, and transient photocurrent measurements reveal accelerated charge separation and prolonged carrier lifetime, enabled by an S-scheme heterojunction with a built-in interfacial electric field. Radical trapping and ESR studies indicate that photogenerated holes and electrons dominate C H activation, with reactive oxygen species contributing synergistically. DFT calculations confirm directional electron transfer and preserved high redox potentials. This work highlights spatially confined S-scheme heterojunctions as a general strategy to enhance photocatalytic efficiency, selectivity, and stability, offering a promising avenue for solar-driven hydrocarbon oxidation. Graphical abstract Download: Download high-res image (215KB) Download: Download full-size image
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ACS Nano
·
2026
·
IF 17.3
Lu Xuan,Jiang Sicong,Zhao Hongyang,Zheng Xiaobo,Zhang Yiwen,Yang Kesong,Ding Shujiang,Hu Xiaofei,Li Weiyang
Quasi-solid-state
sodium–sulfur (Na–S)
batteries
are widely regarded as promising candidates for next-generation energy
storage due to their higher energy density and enhanced safety over
traditional liquid-electrolyte counterparts. However, electrolyte
solidification restricts ion transport within the sulfur cathode,
leading to poor sulfur utilization and exacerbating sluggish sodium
polysulfide (NaPS) conversion kinetics. Current cathode designs mitigate
this challenge by introducing a high proportion of conductive additives
to expand the sulfur–carbon-electrolyte triple-phase interfaces
(TPIs), which inevitably sacrifices the practical energy density of
the battery. This challenge becomes more severe under practical conditions
of high sulfur contents (50 wt %), where both ionic and electronic
pathways are simultaneously obstructed. Here, we develop a presodiated
TiO 2 (Na x TiO 2 ) electrocatalyst
possessing ion-electron dual-conductive characteristics via an electrochemical
ion-intercalation approach. The introduction of Na x TiO 2 extends the active surface beyond conventional
TPIs, enabling rapid catalytic conversion of NaPSs directly at the
sulfur-Na x TiO 2 dual-phase interfaces
(DPIs). Mechanistic studies show that Na intercalation modulates the
local Ti–O coordination environment and the Ti 3d-O 2p electronic
structure, which significantly improves the electronic conductivity
and interfacial Na + transfer kinetics of TiO 2 while reducing the energy barrier for the rate-determining Na 2 S 2 -to-Na 2 S step in NaPS conversion.
Consequently, an ultrahigh sulfur utilization exceeding 80% is achieved
in a high-sulfur-content cathode (70 wt %), delivering a high initial
specific capacity of 1391.2 mAh g –1 alongside robust
cyclability over 500 cycles. The assembled practical pouch cell achieves
an impressive energy density of 372 Wh kg –1 . This
work offers valuable insights into developing high-energy-density
solid-state Na–S batteries for practical applications.
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APPLIED SURFACE SCIENCE
·
2026
·
IF 6.6
Huan Yang,Zishuo Ni,Xian Zhang,Qun Li,Zhongnian Yang
N, S co-doped carbon coated 3D porous Mn 0.5 Ti 2 (PO 4 ) 3 was fabricated via fulvic acid pyrolysis. • The carbon layer synergistically enhances electronic conductivity and Li + diffusion kinetics. • The designed composite anode revealed outstanding rate capability. NASICON-structured Mn 0.5 Ti 2 (PO 4 ) 3 (MTP) has emerged as a competitive anode candidate for lithium-ion batteries (LIBs), benefiting from its abundant lattice vacancies, robust structural integrity, and suitable operating voltage. Nevertheless, the practical scalability is constrained by intrinsically low electronic conductivity. Herein, fulvic acid (FA) is employed as a carbon precursor to composite with MTP via high-temperature carbonization, aiming to optimize the electrochemical performance of MTP. Electrochemical tests reveal that the composite with FA/MTP weight ratio of 0.30 carbonized at 800℃ achieves enhanced cycling stability and rate capability, delivering lithiation capacities of 391.4 and 198.9 mAh g −1 at 0.1 and 1.6 A g −1 , respectively. The superior performance is attributed to the formation of uniform N, S co-doped carbon coating layer derived from in-situ carbonization of FA. N, S co-doping not only facilitates rapid electron transport and buffers volume changes during repeated lithiation/delithiation but also introduces additional active sites for lithium storage. Simultaneously, the incorporation of a co-doped carbon layer on MTP improves the binding affinity with MTP, thereby conferring outstanding structural durability and electrical conductivity of the composite. This work provides a simple and effective strategy for utilizing natural biomass derivatives to improve the electrochemical performance of polyanionic compounds for advanced LIB anodes. Download: Download high-res image (150KB) Download: Download full-size image
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JOURNAL OF HAZARDOUS MATERIALS
·
2026
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IF 10.6
Qingsong Zhang,Xihao Li,Longwei Zhang,Yang Xiao,Qingyi Zeng
Reducing soluble U(VI) to insoluble U(IV) is an efficient uranium extraction strategy. However, the two axial oxygen atoms in uranyl (UO 2 2 + ) create a kinetic barrier to electron transfer, hindering U(VI) reduction. Here, we present an innovative strategy that leverages the hydrogen evolution reaction (HER) to generate a localized alkaline microenvironment at the catalyst surface; OH⁻ accumulation rapidly precipitates UO 2 2 ⁺ as insoluble UO 2 (OH) 2 , enabling efficient uranium extraction from water. In this process, the S-rich hollow MoS 2+x with high HER activity, which was derived from the Mo-MOF grown on carbon felt (CF), was used as the cathode (MoS 2+x /CF) in a photovoltaic-driven electrocatalytic system. The anode consists of a TiO 2 nanorod array on FTO glass, coupled with a rear-mounted silicon solar cell. Due to the localized alkaline microenvironment formed by the HER on the MoS 2+x /CF cathode surface, this electrocatalytic system achieves 99.8% uranium removal from uranium-containing wastewater within 30 min of illumination. Density functional theory (DFT) calculations and experimental results confirm that unsaturated edge S atoms in MoS 2+x significantly enhance HER activity. Additionally, the electron transfer between uranium and edge S enhances uranium adsorption and promotes its interfacial reaction with OH*. This work opens new perspectives for uranium extraction from aqueous solutions.
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INORGANIC CHEMISTRY
·
2025
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IF 4.7
Qitao Wu,Zhenzhen Lin,Yuzhi Zou,Wenxin Huang,Yanshi Li,Xiaosen Huang,Jiankai Wang,Javokhir Toshov,Sardor Donaev,Hengcong Tao,Shunli Li
Electrocatalytic oxidation of 5-hydroxymethylfurfural to prepare high-value-added chemicals is an effective solution for a sustainable alternative to fossil fuels. We report a novel one-step hydrothermal sulfurization strategy to construct hierarchical FeNi-S@NF nanoflower architectures comprising interconnected 2D nanosheets. This catalyst design synergistically integrates high conductivity (i.e., nickel foam (NF) substrate), abundant active sites (i.e., 2D nanosheet), and optimized electronic structure (i.e., sulfur doping), achieving exceptional electrocatalytic 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA) conversion. By optimizing the classical two-step hydrothermal sulfidation approach through precise control of metal ratios and sulfidation duration, we significantly enhanced the catalytic performance for the HMF oxidation reaction (HMFOR). Sulfur doping was found to substantially improve the catalyst’s adsorption capability for HMFOR intermediates, thereby enhancing both activity and selectivity toward FDCA production. The optimized FeNi-S@NF nanoflower catalyst demonstrated superior electrocatalytic performance in 1 M KOH + 50 mM HMF, achieving 98.41% conversion rate, 92.08% FDCA yield, and 89.19% Faradaic efficiency at an applied potential of 1.45 V vs a reversible hydrogen electrode (RHE), surpassing most reported transition metal-based electrocatalysts. This research work provides a new strategy for the rapid and low-cost synthesis of two-dimensional sulfide nanoelectrocatalysts for the efficient electrooxidation process of biomass derivatives.
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EUROPEAN POLYMER JOURNAL
·
2025
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IF 6.3
Yujie Zhang,Yuxia Ba,Yuxia Zhou,Guofei Chen,Xingzhong Fang
Two series of poly(ester-imide)s (PEsIs) were synthesized by varying the molar ratios of the p -phenylene bis(trimellitate anhydride) (TAHQ) or tert -butylhydroquinone bis(trimellitate anhydride) (TA-BHQ) and 4,4′-biphthalic dianhydride ( s -BPDA) to copolymerize with fixed molar ratios of the rigid diamine 2,2′-bis(trifluoromethyl)benzidine (TFDB) and the flexible diamine 2,2′-bis[4-(4-amino-2-trifluoromethylphenoxy)phenyl]sulfone (6FBAPS) in a two-step process. All of the PEsIs exhibited moderate glass transition temperatures ( T g s) in the range of 232 − 273 ℃, good thermoplasticity with melt flow index (MFI) values of 0.19 − 2.40 g/10 min, excellent dimensional stability with coefficient of thermal expansion (CTE) values of 32.1 − 37.1 ppm/K, and good optical properties ( T 450 of 85 %−86 %, T 850−1550 ≥ 89 %). PEsI-a4 exhibited the best comprehensive properties among the PEsI-a series, particularly with T g of 247 ℃, MFI of 2.40 g/10 min, CTE of 33.4 ppm/K and excellent light transmittance ( T 450 of 86 %, T 850−1550 of 89 %). PEsI-b2 exhibited the best comprehensive properties among the PEsI-b series, particularly with T g of 256 ℃, MFI of 0.87 g/10 min, CTE of 33.3 ppm/K, T 450 of 86 %, T 850−1550 of 89 %. These thermoplastic PEsIs with low CTE and high transparency had potential applications in the field of optical injection molding materials.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2026
·
IF 9.6
Jianghong Ouyang,Ziwei Hang,Qichao Chen,Yan Qing,Yanmei Zheng,Zupeng Chen
Photocatalytic hydrogen peroxide (H 2 O 2 ) production presents a sustainable alternative to the energy-intensive anthraquinone process. However, its efficiency is limited by rapid charge recombination, and the need for sacrificial agents poses challenges for practical deployment. Herein, we develop an S-scheme cadmium sulfide/graphite phase carbon nitride (CdS/CN) heterojunction for H 2 O 2 photosynthesis coupled with glycerol (GLY) oxidation. The optimized CdS/CN demonstrates enhanced charge separation due to interfacial band bending and internal electric fields, achieving a 10.75-fold higher H 2 O 2 yield (3.01 mM) than pristine CN (0.28 mM). Moreover, GLY serves as a dual mediator that enables electron-proton synergy within the photocatalytic system, by acting as both a hole scavenger and a proton donor, effectively increasing H 2 O 2 production while simultaneously undergoing selective oxidation to yield high-value C3 oxidation derivatives such as dihydroxyacetone (DHA) and glyceraldehyde (GLAD), with >99% selectivity. Mechanism studies reveal that the photogenerated electrons drive two-electron O 2 reduction to H 2 O 2 while holes promote GLY oxidation. This electron-proton synergistic coupling system enables simultaneous solar-driven H 2 O 2 production and the selective oxidation of biomass, offering a sustainable pathway for green chemical manufacturing.
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JOURNAL OF ALLOYS AND COMPOUNDS
·
2026
·
IF 6.7
Jitang Chen,Qian Li,Chengbing Ma,Yupeng Yuan,Huiquan Li
The rational design of heterojunction photocatalysts is essential for overcoming the persistent challenge of charge recombination in solar water-splitting systems. Herein, a step-scheme (S-scheme) AgI/Bi₇O₉I₃ heterojunction was fabricated using a facile one-pot hydrothermal method, where deliberate interfacial engineering enables efficient charge separation and transfer. The optimized heterojunction demonstrated remarkable photocatalytic oxygen (O₂) evolution activity, achieving a rate of 2046.22 μmol·g⁻¹·h⁻¹ under visible-light irradiation (λ ≥ 420 nm)—3.1 and 1.97 times higher than those of pristine AgI and Bi₇O₉I₃, respectively. Ultraviolet photoelectron spectroscopy (UPS) and electron spin resonance (ESR) analyses collectively revealed that a built-in electric field formed at the interface drives the directional migration of electrons from AgI to Bi₇O₉I₃, following an S-scheme charge transfer pathway. This mechanism not only enhances the separation of photogenerated carriers but also preserves strong redox capabilities for the water oxidation reaction. This study presents an effective interfacial engineering strategy for developing high-performance heterojunction photocatalysts and provides fundamental insights into charge behavior in S-scheme photocatalytic systems.
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Engineering
·
2026
·
IF 12.2
Hongjie Zhou,Xiaoqiang An,Tianshu Zhang,Mingran Li,Lingru Kong,Huachun Lan,Huijuan Liu,Jiuhui Qu
The recovery of precious metals (PMs) from industrial waste streams is constrained by the scarcity of adsorbents that reconcile scalable production, multi-metal selectivity, and cost-effectiveness. Here, we engineered S/N co-functionalized activated carbon to overcome these challenges by combining hierarchical porosity with an electron-enhanced surface of a multifunctional S/N network. The optimal S/N co-functionalized activated carbon (AC2) is synthesized via a scalable one-pot solvothermal method (92% yield, 0.532 kg·batch −1 ), immobilizing thioamide, polysulfide, imine, and amine functionalities onto a micro-mesoporous carbon matrix. This design enables ultra-trace PM uptake (1 μg·L −1 ) with exceptional residual levels (<0.001 μg·L −1 ) and remarkable adsorption capacities (1750, 940, and 270 mg·g −1 for Au, Pd, and Pt, respectively). Practical validation in e-waste and catalyst leachates (>96% recovery) and spiked surface water (92%–97% PM uptake with 10000 fold competing metal concentrations) demonstrates robust performance in real-world hydrometallurgical and ecological contexts. The adsorbent’s techno–economic viability is further underscored by acid-resistant reusability (>15 cycles), a 34 fold cost reduction at scale (370 CNY·kg −1 ), and over 90% lower life cycle environmental impacts. This work establishes a paradigm for resource-efficient urban mining, integrating scalable material design with critical metal recovery to address global resource circularity challenges.
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JOURNAL OF FLUORESCENCE
·
2026
·
IF 3.1
Zhu Danhong,Wu Wanhui,Zhang Lejing,Liu Zixin,Zhao Huan,Zheng Zhongkai,Lin Mei
The development of fluorescent probes with high stability and selectivity for ferric ion (Fe³⁺) detection remains crucial for environmental monitoring. Herein, we report a one-pot hydrothermal synthesis of nitrogen and sulfur co-doped carbon dots grafted with polyvinylamine (CDs-PVAm) using citric acid and L-cysteine as sustainable precursors. The obtained CDs-PVAm exhibited strong blue fluorescence with a high quantum yield of 49% and an average fluorescence lifetime of 9.75 ns, attributed to the synergistic effect of N, S co-doping and PVAm passivation which effectively suppresses non-radiative recombination. The material demonstrates excellent environmental stability over a wide pH range (3–9), under thermal stress (25–45 °C), and prolonged irradiation. As a fluorescent probe, CDs-PVAm shows high selectivity toward Fe³⁺ among various metal ions, with a linear response range of 0–200 µM and a detection limit of 11.40 µM. Practical application in natural water samples achieved satisfactory recoveries (100.46–101.45%) with low relative standard deviations (0.71–1.43%), confirming its reliability for Fe³⁺ detection in complex aqueous matrices. This work presents a robust nanoplatform for environmental sensing with significant application potential.
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CHEMICAL ENGINEERING JOURNAL
·
2026
·
IF 13.2
Linzi Huang,Xiaoqian Sun,Kunxiang Deng,Yuan Chen,Dan Guo,Xinyi Li,Yixi Xie,Pengcheng Zhao,Junjie Fei
Tert-butylhydroquinone (TBHQ), a widely used antioxidant for extending food shelf life, requires strict content control to ensure food safety. Here, we constructed a core-shell CdMoO 4 @ZnS S-scheme heterojunction via in situ growth for highly sensitive detection of TBHQ. Compared with our previously reported heterojunction sensors, this system achieves synergistic enhancement through polyvinylpyrrolidone-mediated morphology regulation and optimal shell-thickness engineering, effectively mitigating limitations in charge separation and stability. The developed photoelectrochemical sensor exhibits a wide dual-range detection capability (0.015–20 μM and 20–190 μM) with an ultralow detection limit of 1.8 nM. The exceptional sensing performance was elucidated by density functional theory calculations and redox potential analysis. Furthermore, the sensor achieves excellent recovery rates (97.05% - 104.23%) in real-sample analyses and retains more than 91.33% of its initial response after 8 weeks of storage, highlighting its strong potential for practical food-safety monitoring applications.
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Food Bioscience
·
2026
·
IF 5.9
Tingting Sun,Lin Jiang,Lijiao Yang,Siyi Chen,Yang Liu,Jing Liu,Fei Xu
Benzo-γ-pyrone derivatives are widely utilized in both the food industry and pharmaceutical research. From a constructed Benzo-γ-pyrone Natural Compounds Database (BNCD), we screened 18 compounds with the core benzo-γ-pyrone skeleton against Staphylococcus aureus α-hemolysin (Hla) and categorized them into five classes (A-E). We identified 10 effective inhibitors by hemolytic assay that could be pooled with the use of a dose-response model to generate an IC 50 curve. Dose-response analysis yielded IC 50 values, which, together with molecular docking results for the Hla secretion regulators (AgrC, AgrA, SarR, SarA), revealed a key pharmacophore. The optimal structure is characterized by a benzo-γ-pyrone backbone featuring a C2-linked B-ring, an essential 5,7-dihydroxy motif on the A-ring, and a B-ring substituted with either a 4′-hydroxyl or a 3′,4′-catechol group. The minimum inhibitory concentrations (MICs) of morin, apigenin, (+/-)-naringenin, and liquiritigenin were all > 2000 μg/mL. Subsequent cytotoxicity assessments (CCK-8 assay) revealed no significant cytotoxicity (P > 0.05) for morin and apigenin up to 2000 μg/mL, for naringenin up to 500 μg/mL, and for liquiritigenin up to 250 μg/mL in bovine mammary epithelial cells. Furthermore, these compounds conferred concentration-dependent protection against S. aureus -induced damage in both in vitro Raw264.7 macrophage and in vivo Galleria mellonella larval infection models. In conclusion, our study identifies specific dietary benzo-γ-pyranones as promising non-antibiotic, anti-virulence agents targeting S. aureus Hla. These findings provide a rational basis for designing functional foods and developing novel anti-virulence therapeutics.
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