MICROCHEMICAL JOURNAL
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2026
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IF 5.2
Qiuyu Wang,Maoyuan Hu,Wanke Zhou,Junchun Guo,Sheng Li,Xiaoli Xiong,Jinglin Li
ZIF-derived N,P,S-HCNFs provide a porous electroactive interface for TBHQ sensing. • Single- and dual-doped controls with DFT support cooperative heteroatom regulation. • Two linear ranges of 0.9–12 and 12–127 μM were achieved with a 0.075 μM LOD. • Reliable TBHQ quantification was demonstrated in spiked edible-oil samples. • Extra Trees enables validated auxiliary calibration in complex oil matrices. Tert-butylhydroquinone (TBHQ) is a widely used synthetic phenolic antioxidant, and its excessive use in edible oils raises food-safety concerns. Herein, N, P, and S tri-doped hollow carbon nanofibers (N,P,S-HCNF) with interconnected porous channels were fabricated via an electrospinning–pyrolysis strategy. The hollow architecture and heteroatom-induced defects provide abundant electroactive sites and facilitate electron/mass transfer, enabling sensitive electrochemical oxidation of TBHQ. The N,P,S-HCNF/CP sensor exhibited two linear response ranges of 0.9–12 μM and 12–127 μM, with a detection limit of 0.075 μM. Acceptable selectivity, reproducibility, and storage stability were obtained. Single- and dual-doped controls combined with DFT calculations provided mechanistic insight into the enhanced TBHQ adsorption and interfacial electron transfer of N,P,S-HCNF, including preferential interactions involving the phenolic hydroxyl groups. An externally validated Extra Trees calibration model was further employed as an auxiliary strategy to reduce matrix-related prediction bias, integrating hollow carbon nanofiber engineering, multielement heteroatom regulation, mechanistic analysis, and data-driven quantification for TBHQ electrochemical determination in edible oils. A defect-rich N,P,S-doped hollow carbon nanofiber interface enabled sensitive electrochemical oxidation of TBHQ, while DFT supported favorable adsorption and interfacial charge redistribution and machine learning provided auxiliary calibration for improved quantification in edible-oil matrices. Download: Download high-res image (128KB) Download: Download full-size image
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高影响因子
RENEWABLE ENERGY
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2026
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IF 9.1
Huage Lin,Weiyan Su,Yihan Tang,Jiaxiang Zong,Guangyu Wu,Weinan Xing
The scalable synthesis of green chemical fuels via artificial photosynthesis represents a cornerstone strategy for buffering intermittent renewable energy and advancing global carbon neutrality. However, the practical engineering deployment of this technology is severely constrained by suboptimal solar-to-fuel conversion efficiencies at the catalytic interface. Herein, a tubular S-scheme Co 2 (OH)PO 4 @CN (CoHP@CN) heterojunction was fabricated via a pre-coordination-mediated in-situ growth strategy to facilitate solar energy harvesting. Characterizations reveal that a directional internal electric field (IEF) drives an S-scheme charge pathway, significantly reducing transfer resistance while preserving strong redox capabilities. Benefiting from these kinetic features, the heterojunction delivers exceptional solar fuel production performance, achieving a CO yield of 383.40 μmol g −1 (over 4 h) and H 2 evolution of 4657.40 μmol g −1 (within 2 h). This study underscores the power of precise interface engineering in modulating charge dynamics, offering practical insights for scalable solar-to-chemical energy storage and renewable energy deployment.
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高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
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2026
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IF 6.7
Ping Liang,Shuai Shao,Xiaocan Liu,Ziwen Zhang,Dandan Wang,Weiye Yang,Lijian Meng,Junfeng Zhang,Shihua Zhao
This study reports the construction of a g-C₃N₄/ZnTiO₃/BiOI ternary heterojunction photocatalyst for the efficient degradation of organic dyes. The optimized g-C₃N₄/ZnTiO₃/BiOI composite with a mass ratio of 1:1:2 exhibited excellent photocatalytic activity toward Rhodamine B (RhB), achieving nearly complete degradation within 40 min at pH 11, with an apparent rate constant of 0.05114 min⁻¹ . The composite also showed photocatalytic degradation ability toward methylene blue (MB) and methyl orange (MO), as well as satisfactory performance in different real water matrices, demonstrating its broader applicability. Structural and surface analyses confirmed the successful formation of the ternary composite, while BET results indicated that the retained mesoporous structure facilitated reactant diffusion and interfacial mass transfer. UV–vis DRS revealed an extended light absorption range beyond 600 nm, and photoelectrochemical measurements demonstrated reduced charge-transfer resistance and enhanced separation and migration of photogenerated carriers. Radical trapping and EPR analyses identified ¹O₂ and •OH as the dominant reactive species. After five cycles, the RhB degradation efficiency remained above 90%, indicating good stability. Combined with Mott–Schottky measurements, XPS analysis, work-function calculations, Bader charge analysis, and differential charge density results, a ZnTiO₃-mediated dual S-scheme charge-transfer mechanism was proposed. This work provides a feasible strategy for designing efficient ternary heterojunction photocatalysts for dye-contaminated wastewater treatment.
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高影响因子
ACS Applied Energy Materials
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2026
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IF 5.5
Tingting Yang,Yufei Li,Liwei Lu,Jianghua Du,Xin Guo
Achieving efficient and stable solar-driven photocatalytic water splitting for hydrogen production requires simultaneously overcoming the issues of insufficient charge separation at the microscopic scale and difficult catalyst recovery at the macroscopic scale. In this study, an S-Scheme ZnCdS/CoS2 heterojunction catalyst was integrated into a PVDF/PVP/TiO2 electrospun fiber membrane via electrospinning technology, constructing a catalytic material that combines microscopic heterojunctions with a macroscopic membrane structure to realize synergistic enhancement between the microscopic heterojunction and the macroscopic assembly. At the microscopic level, the S-scheme heterojunction promotes the separation of photogenerated charge carriers through an internal electric field, thereby increasing the hydrogen production rate to 36.47 μmol/mg, which is 5 times higher than that of pure ZnCdS catalyst. At the macroscopic level, the PVDF/PVP/TiO2 electrospun fiber membrane provides a stable support for the ZnCdS/CoS2 S-scheme heterojunction, increasing active sites while enabling easy recovery. The hydrogen production efficiency of this fiber membrane is 2.3 times that of the powdered ZnCdS/CoS2 heterojunction, with an activity retention rate of 90.7% after repeated use. This study’s strategy of combining heterojunctions with electrospinning offers a feasible approach to simultaneously enhance the hydrogen production efficiency, stability, and recyclability of photocatalytic systems.
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高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
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2026
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IF 9.1
Zipeng Jin,Junhua Wang,Kunting Li,Taibao Xiao,Wa Gao,Lei Xu,Siqi Bao,Baiyan Li
Achieving efficient charge transfer and separation relies on constructing effective electron-transfer channels tailored to composite photocatalysts. Herein, an S-scheme heterojunction was constructed between g-C 3 N 4 and covalent triazine frameworks (CTFs) to establish a directional internal electric field (IEF). The effects of donor (D) chain extension and increased acceptor (A) number on intramolecular electron transport was conducted. DFT calculations and photoelectrochemical tests indicated that, with the stepwise structural evolution from A1-D-A1 (CTF-1) to A1-D-D-A1 (CTF-2) and further to A1-D-A2-D-A1 (CTF-Azo), the electron density within the CTFs framework gradually increased. When integrated into the S-scheme heterojunction, this concerted structural engineering created an electron-rich interface that efficiently channeled electrons to adsorbed oxygen, yielding a 1.89-fold enhancement in·O 2 − generation compared to g-C 3 N 4 . This rational design enabled 1 wt% CTF-Azo/g-C 3 N 4 to achieve 92% degradation of Levofloxacin (LVX) within 120 min under visible light irradiation and demonstrated a 2.61-fold improvement over g-C 3 N 4 along with deep mineralization. A plausible photocatalytic degradation pathway was proposed, and toxicity evaluation confirmed a reduced ecological risk of the generated intermediates. Moreover, 1 wt% CTF-Azo/g-C 3 N 4 demonstrated robust performance in various complex water systems, highlighting its practical potential. This work demonstrates that orchestrating D-A molecular motifs with S-scheme heterojunctions offers a powerful paradigm for precision electron steering toward efficient antibiotic photodegradation.
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高影响因子
RARE METALS
·
2026
·Vol. 45
·期 7
·e70439
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IF 12.1
Jinyong Hu,Songming Dou,Xinyao Liu,Bohao Liu,Xiongxiong Xue,Yong Zhang
en This link goes to a English section zh This link goes to a Chinese section Light-activated gas sensors hold significant potential in environmental monitoring and smart Internet of Things (IoT) owing to their advantage in room temperature operation. Nevertheless, due to a narrow light absorption range, high photocarrier recombination rate, and weak redox activity of the sensing material, the performance enhancement of the current light-activated gas sensors is still impeded. Herein, a full-spectrum solar light–activated gas sensor is designed based on W 18 O 49 /Ag 2 S nanocomposites with an S-scheme heterostructure for the highly sensitive detection of NO 2 at room temperature. Under solar light illumination, the gas sensor exhibits a high response of 430.84% to 1 ppm NO 2 , which is over 11 times higher than that based on pristine W 18 O 49 or Ag 2 S components. Moreover, the sensor demonstrates excellent repeatability fast response/recovery times (5/3 s), low limit of detection (50 ppb), high selectivity, and satisfactory long-term stability. The enhanced sensing performance might arise from the broadened light-harvesting capability and the unique charge carrier transfer mechanism in the S-scheme heterostructure. A Bluetooth-enabled portable monitoring system is further developed to achieve real-time NO 2 monitoring and wireless visualization. This work provides theoretical insights and experimental validation for the effectiveness of S-scheme heterostructure in enhancing room-temperature gas-sensing performance, demonstrating the prospective application potential for IoT-related environmental monitoring. 摘要 en This link goes to a English section zh This link goes to a Chinese section 光激活气体传感器因其室温工作的优势 , 在环境监测和智能物联网 领域具有重要潜力。然而 , 由于传感材料的光吸收范围窄、光生载流子复合速率高以及氧化还原活性较弱 , 目前光激活气体传感器的性能提升仍受到阻碍。本研究设计了一种基于W 18 O 49 /Ag 2 S纳米复合材料的全光谱太阳光激活气体传感器 , 该材料具有S型异质结构 , 可在室温下高灵敏检测NO 2 。在太阳光照射下 , 该气体传感器对1 ppm NO 2 的响应高达430.84% , 是纯W 18 O 49 或Ag 2 S组分的11倍以上。此外 , 该传感器展现出优异的可重复性、快速的响应/恢复时间 ( 5/3 s ) 、低检测限 ( 50 ppb ) 、高选择性以及令人满意的长期稳定性。 理论分析表明传感性能的增益源于S型异质结构中拓宽的光捕获能力和独特的载流子传输机制。在此基础上, 进一步开发了一套蓝牙便携式监测系统 , 实现了NO 2 的实时监测和无线可视化。本研究为S型异质结构有效增强气体传感性能提供了理论指导 和实验验证 , 为发展面向物联网应用的高灵敏室温气体传感器提供了重要技术支撑。
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高影响因子
CHEMICAL ENGINEERING JOURNAL
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2026
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IF 12.5
Yuxiang Deng,Zhenyu Cai,Libo Yang,Zhiyao Wu,Bihong Chen,Chang Gao,Xinyu Yu,Nannan Wang,Xinpeng Wang
3DOM-TiO 2 /CuO S-scheme heterojunction synthesized via hard templating • Removes 99.06% U(VI) in 120 min; capacity of 1751.33 mg/g • Dynamic Cu valence change & O-vacancy evolution restrain charge recombination. • In situ multi-spectra & DFT reveal charge transfer and U(VI) reduction mechanism. Photocatalysis offers a sustainable approach for uranium-containing wastewater remediation, yet conventional materials still suffer from limited solar-light utilization and rapid charge recombination. Herein, a three-dimensional ordered macroporous TiO 2 /CuO composite (3DOM-TC) was synthesized using resorcinol–formaldehyde resin spheres as a hard template. The ordered macroporous TiO 2 framework enables slow-photon-assisted light harvesting and multiple light scattering, while CuO coupling broadens the light-response range and constructs an S-scheme TiO 2 /CuO heterojunction to promote directional charge separation. Meanwhile, oxygen vacancies mainly serve as electron-trapping and O 2 /intermediate adsorption–activation sites, which are coupled with the dynamic Cu 2+ /Cu + variation during photocatalysis. As a result, 3DOM-TC achieves 99.06% U(VI) removal within 120 min, corresponding to a maximum extraction capacity of 1751.33 mg/g. Photoelectrochemical tests confirm enhanced photocurrent density and efficient interfacial charge transport compared with pristine TiO 2 . In situ EPR, XPS, and DFT calculations reveal the photoinduced charge-transfer pathway and illumination-enhanced oxygen-vacancy signals. Moreover, in situ FTIR spectroscopy confirms that photogenerated ·O 2 − can further convert to H 2 O 2 -related species, thereby promoting U(VI) precipitation as (UO 2 )O 2 ·4H 2 O. This work highlights the synergistic integration of 3DOM-enabled light harvesting, S-scheme charge separation, and vacancy-assisted electron transfer and O 2 activation, providing a promising strategy for efficient photocatalytic U(VI) sequestration. Download: Download high-res image (232KB) Download: Download full-size image
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高影响因子
JOURNAL OF MEMBRANE SCIENCE
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2026
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IF 8.8
Hao Chen,Libin Wang,Haoji Lao,Qin wang,Guyu Xiao
The anionic or cationic aromatic polymers coating membranes are antifouling, but their rejection for MgSO 4 is low. In this work, soluble sulfonated poly(arylene ether ketone)s (sPAEKs) in commonly polar solvents is synthesized by incorporating methyl side groups. Such sPAEKs thus could be coated on commercial ultrafiltration membranes to make the sPAEKs coating membranes without damaging the pore structure of ultrafiltration supports. On this basis, quaternized polysulfone (qPSF) is coated on the sPAEKs layer to prepare the anionic/cationic polymers crosslinked membranes. This ionic crosslinking between the anionic and cationic polymer layers remarkably reduces the molecular weight cut-off of the coating membranes. The hydrophilic charged coating layers are also favorable for antifouling and enhancing permeation flux. In addition, the aromatic backbones of sPAEKs and qPSF are beneficial for improving chlorine resistance. As a result, the as-made membranes exhibit excellent nanofiltration performances. For example, one of them shows a permeation flux of 10.3 LMH/bar, a MgSO 4 rejection of 98.2%, a flux recovery rate (FRR) of 98.6% for bovine serum albumin. It also displays high rejection for MgSO 4 after 40,000 ppm·h of continuous exposure to NaClO solution. High-performance nanofiltration membranes are fabricated by successive bilayer coating of aromatic polyanions and polycations on ultrafiltration supports for the first time, this strategy shows significant application prospects.
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高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
·
IF 9.6
Guangrui Sun,Qingchun Wang,Ge Qi,Jinxiao Bao,Weixiang Shang,Fei Ruan,Yuwei Ma
The development of economical, efficient, and durable non-precious metal electrocatalysts for the hydrogen evolution reaction (HER) is crucial for the scalable production of green hydrogen via water electrolysis. This work reports a NiN x -derived P/S-modulated oxygen-containing reconstructed Ni-based microflower heterostructure grown in situ on nickel foam (NF), denoted as NiN x /NF-P,S. This unique three-dimensional porous microflower architecture provides a large accessible surface area and abundant catalytic interfaces, while the strong integration with the NF substrate ensures excellent structural stability during prolonged HER operation. The incorporation of P and S promotes the construction of heterogeneous interfaces and regulates the local electronic structure, while surface reconstruction under alkaline HER conditions introduces oxygen-containing Ni species, resulting in reconstructed catalytic interfaces favorable for HER. Consequently, the obtained NiN x /NF-P,S catalyst exhibits outstanding HER activity in alkaline media, requiring low overpotentials of only 17 and 70 mV to achieve current densities of 10 and 100 mA cm −2 , respectively. Furthermore, the catalyst maintains excellent long-term durability during continuous operation for 150 h. This work provides a promising strategy for constructing dynamically evolved non-precious metal heterostructured electrocatalysts. Download: Download high-res image (235KB) Download: Download full-size image
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高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2026
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IF 5.4
Jingyue Wang,Xueqing Li,Xinqiang Zhao,Yuelong Xu,Tifeng Jiao
Hard carbon (HC) are prepared through a one-step carbonized method to obtain Zn/S co-doping. • The spacing of layers of HC is regulated through the crosslinking degrees of phenolic resins. • The prepared HC has a high performance for sodium-ion batteries. • The heteroaton co-doping and the regulation of layers spacing play a synergistic effect to improve the performance of HC. The abundance and low cost of sodium make sodium-ion batteries a promising candidate for large-scale energy storage applications. However, the development of high-performance anode materials remains a critical challenge. Herein, a series of Zn/S co-doped hard carbon materials are synthesized by high-temperature pyrolysis using phenolic resins with different crosslinking degrees as precursors, zinc chloride as zinc source, and trithiocyanuric acid as sulfur source. The synergistic effect between precursor crosslinking density and heteroatom co-doping on the microstructure and sodium storage performance of hard carbon is systematically investigated. Electrochemical tests demonstrate that the Zn/S-HC 7.5:10-HMTA delivers high reversible capacity, excellent Coulombic efficiency, and stable long-term cycling. Kinetic analysis reveals a dominant capacitive contribution and the highest Na⁺ diffusion coefficient among all samples. This work reveals that an effective approach to achieving high-performance hard carbon anodes for sodium-ion batteries is to optimize precursor crosslinking together with Zn/S co-doping. Download: Download high-res image (139KB) Download: Download full-size image
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高影响因子
Small
·
2026
·
IF 11.8
Jiacheng Zheng,Yulong Deng,Wenting Chen,Chengliao Deng,Xiaoming Cai,Jinming Cai,Honglin Tan
Zinc indium sulfide (ZnIn 2 S 4 , ZIS), a visible-light-responsive photocatalyst, has garnered significant attention due to its facile synthesis, high stability, suitable band gap, and abundant active sites. This study innovatively constructed a CNT@Ag@ZIS tubular structure, introducing Ag mediators as electron donors at the CNT-ZIS interface. Results demonstrate that the Ag mediators establish clear interfacial contact with both hexagonal ZIS and CNT. Consequently, ZIS exhibits markedly enhanced photocurrent response and improved separation efficiency of photogenerated charge carriers. The catalyst achieved a remarkable hydrogen evolution rate of 18.44 mmol g −1 h −1 , representing an 8.7-fold enhancement over pristine ZIS. The study revealed that Ag, with its high Fermi level, facilitates interfacial electron transfer to ZIS. This induces a downshift of the p-band center (3p orbitals of S) in ZIS, simultaneously prolonging the H─S bond length and increasing the antibonding orbital occupation. This electron restructuring creates electron-rich S (2+δ)− active sites, substantially lowering the H 2 desorption energy barrier. Thus, the surface reaction kinetics of the sulfide are optimized through a regulation strategy targeting antibonding orbitals.
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PubMed
高影响因子
JOURNAL OF HAZARDOUS MATERIALS
·
2026
·
IF 10.6
Haoran Hu,Guoyan Dang,Jiahe Shi,Junhao Cui,Shu Zhou,Yanrong Zhang
The reaction between hexavalent chromium (Cr(VI)) and sulfite (S(IV)) holds promise for water decontamination but intrinsically favors a non-radical pathway, leading to toxic Cr(V) accumulation and inefficient radical yields. Herein, we constructed a heterogeneous carbon/Cr(VI)/S(IV) advanced oxidation system using carboxyl-rich carbon materials (CP-T and MWCNTs-COOH) to steer the reaction toward a radical-dominated pathway. Combined experimental and theoretical analyses unravel a surface-mediated ligand-exchange activation mechanism. Surface carboxyl groups function as specific anchoring sites, undergoing ligand exchange with Cr(VI) species to form a reactive Carbon-COO-Cr(VI) intermediate. Concurrently, the highly conductive carbon framework serves as an efficient electron conduit, facilitating rapid interfacial electron transfer from S(IV) to the anchored Cr centers. A dual-descriptor kinetic model was established, quantitatively demonstrating that the catalytic turnover is governed by a symmetric co-limitation regime; the intrinsic catalytic activity of the carboxyl sites is non-linearly amplified by the enhanced electron transport capability of the carbon network. This synergistic interplay simultaneously achieves complete Cr(VI)-to-Cr(III) detoxification and efficient sulfate radical (SO 4 •− ) generation. Furthermore, density functional theory (DFT) calculations elucidated the SO 4 •− -initiated degradation pathways for diclofenac (DCF). Operating efficiently in authentic water matrices under near-neutral conditions, this work provides a scalable and sustainable strategy for the synergistic remediation of complex metal-organic co-contamination.
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PubMed
高影响因子
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