APPLIED CATALYSIS B-ENVIRONMENTAL
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2026
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IF 19.7
Mohan Zhang,Yu Zhang,Jiayi Meng,Jiajie Wang,Jiaqi Du,Hongwei Chen,Yifan Liao,Yuchen Wei,Quanmei Zhou,Yuying Hu,Yakun Song,Hongyan Zhao,Wei-Lin Dai
Organic/inorganic CdSe/TpBpy-COF S-scheme heterojunction for H 2 O 2 photosynthesis. • Molecularly intimate interface by in-situ solvothermal growth for rapid electron transfer. • Strong internal electric field and band bending drive the S-scheme charge transfer pathway. • An exceptional H 2 O 2 yield of 4349 mmol·g −1 ·h −1 in pure water without sacrificial agents. • DFT reveals thermodynamically spontaneous "downhill" 2e - oxygen reduction pathway. Photocatalytic H 2 O 2 production via oxygen reduction represents a sustainable pathway for solar-to-chemical energy conversion. However, constructing sacrificial-agent-free heterojunctions that simultaneously maximize charge separation and preserve redox ability remains a significant challenge. Herein, we report a molecular-level interfacial engineering strategy to anchor COF-TpBpy onto CdSe nanorods via in-situ solvothermal growth, fabricating a strongly coupled organic–inorganic S-scheme heterojunction. Benefiting from the intimate interfacial contact, the optimized 10CdSe/TpBpy composite achieves a remarkable H 2 O 2 yield of 4349 μmol·g⁻¹·h⁻¹ in pure water without any sacrificial agents, alongside an impressive apparent quantum yield (AQY) of 11.1% at 450 nm. Mechanistic investigations, combining Density Functional Theory (DFT) calculations, Kelvin probe force microscopy (KPFM), and in-situ irradiated X-ray photoelectron spectroscopy ( in-situ XPS), visually confirm a robust built-in internal electric field (IEF) driven by the work function difference. Furthermore, femtosecond transient absorption (fs-TA) spectroscopy reveals an ultrafast picosecond-scale interfacial charge transfer behavior, providing direct kinetic evidence for the S-scheme mechanism. This unique charge transfer pathway effectively preserves the strong reducing electrons in the CdSe conduction band to boost the oxygen reduction reaction (ORR) kinetics. This work offers a viable paradigm for designing robust hybrid S-scheme architectures for efficient photocatalysis. Download: Download high-res image (167KB) Download: Download full-size image
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
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IF 9.6
Yuhui Lv,Xinyu Gao,Binghui Guo,Xinyi Li,Chenhui Sun,Suhang Wang,Rongshi Jing,Jiaxin Chen,Liying Pu,Min Zhang,Yanyan Liu,Gang Wang,Yucheng Ren,Tiantian Gu
Organic materials have attracted considerable attention in rechargeable aqueous zinc-ion batteries (AZIBs) due to their sustainability and structural tunability. However, the electrochemical performance of existing organic electrodes is severely constrained by limited redox-active sites, high solubility and short conjugated backbones. Herein, a conjugated N-heterocyclic anhydride-based framework, benzoquinone-fused dianhydride (NTBQ), was constructed via solid-state condensation to enable highly reversible Zn 2+ /H + storage. The strategic integration of C=O groups triggers intramolecular electrostatic potential reconstruction and activates adjacent C=N sites, enabling fast and thermodynamically spontaneous multi-electron Zn 2+ /H + co-insertion. The rational structural design endows the NTBQ cathode with a remarkable initial discharge specific capacity of 434.6 mAh g −1 at 0.05 A g −1 and excellent rate capability. Moreover, the extended π-electron delocalization significantly strengthens intermolecular π-π interactions, enhancing the dissolution resistance of NTBQ in aqueous electrolytes and affording long-lasting cycling durability (88.1% retention after 10,000 cycles at 10 A g −1 ). Systematic mechanistic studies demonstrate that the superior electrochemical performance originates from the synergistic redox chemistry of C=O/C=N dual-active centers within the anhydride-based skeleton. These findings demonstrate that intramolecular electronic modulation can effectively evoke multi-electron redox activity, providing an effective avenue for designing high-performance organic cathodes toward advanced AZIBs. Structural optimization from NTPH to NTBQ via incorporation of additional C O groups induces intramolecular electrostatic potential redistribution, enhancing π-electron delocalization and activating adjacent C N sites. This creates synergistic C O/C N dual-redox centers for efficient multi-electron Zn 2+ /H + co-insertion. Download: Download high-res image (130KB) Download: Download full-size image
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CERAMICS INTERNATIONAL
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2026
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IF 6
Jia Wang,Zeru Wang,Chuanyao Dong,Kan Zhang
Titanium alloys are widely used in lightweight mechanical components, but their limited mechanical and tribological properties often lead to failure under service conditions. In this study, a titanium-based micro-arc oxidation (Ti-MAO) composite coating was developed by incorporating hexagonal boron nitride (h-BN) while optimizing electrolyte composition and process parameters. Proper control of h-BN content effectively improved the high-temperature oxidation resistance and tribological properties of the Ti-MAO coating. The research results showed that h-BN could regulate the energy distribution during MAO discharge, promote coating densification, and reduce structural defects. At a concentration of 4 g/L, h-BN maintained good dispersibility. Compared with an additive-free Ti-MAO coating, the h-BN/Ti-MAO composite coating showed an 86% reduction in the oxidation rate constant at 600 °C. Due to the stable layered structure of h-BN over a wide temperature range, the composite coating maintained a friction coefficient (COF) below 0.31 from room temperature (RT) to 500 °C, reduced to below 0.21 within 300 °C. However, excessive h-BN led to particle aggregation and a decline in overall coating performance. In summary, this approach enhances the durability of titanium alloy components through improved oxidation resistance and tribological properties.
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MICROCHEMICAL JOURNAL
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2026
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IF 5.2
Yi-Feng Lu,Li-Na Zhu,Yi-Lin Zhao,Xin Wang
In this work, a binder-free, self-supported Ni–In₂O₃ heterostructured electrode was constructed on three-dimensional Cu foam for the non-enzymatic electrochemical detection of H₂O₂ under near-neutral conditions. In₂O₃ was conformally grown on Cu foam through a solvothermal process followed by calcination, and Ni species were then introduced by electrodeposition to form a Ni-containing/In₂O₃ composite coating with close interfacial contact and a hierarchically rough surface. Owing to its reduced charge-transfer resistance and enlarged electrochemically accessible surface, the Ni–In₂O₃/Cu foam electrode exhibited a sensitive amperometric response toward H₂O₂ reduction in 0.1 M PBS (pH 7.4) at −0.60 V vs. SCE. Two linear ranges were obtained, from 0.6 μM to 1.759 mM and from 2.059 to 9.059 mM, with corresponding sensitivities of 18.492 and 9.799 μA·mM −1 ·cm −2 , respectively, and a detection limit of 0.228 μM (S/N = 3). The sensor also exhibited good anti-interference performance, acceptable repeatability and reproducibility, and stable performance over 25 days. In standard-addition analyses of milk, tap water, and fetal bovine serum, recoveries ranged from 99.3% to 104.7%, with low RSD values (0.07%–3.25%), and Student's t -test revealed no significant difference between the measured and nominal concentrations ( p > 0.05). Moreover, cytocompatibility evaluation and in situ monitoring of H₂O₂ released from PMA-stimulated cells demonstrated its potential applicability in cell-related redox analysis. These results demonstrate that the proposed Ni–In₂O₃/Cu foam electrode is a promising platform for sensitive, reliable, and practical H₂O₂ sensing under near-neutral conditions.
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Journal of the American Chemical Society
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2026
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IF 16.6
Mimi Wu,Junzhong Xie,Guangyou Huo,Xiaolin Yu,Xueqin Yang,Yi Xing,Wei Su,Yang Zheng,Yuechang Wei,Maofa Ge,Ding Ma
Precise engineering of the metal–support interaction (MSI) is paramount for manipulating the geometric and electronic structures of supported metal catalysts, yet tailoring the local anchoring microenvironment at the atomic level remains a challenge. This study demonstrates how modulating the hydroxyl chemistry on CeO2 can direct the MSI to stabilize distinct Pd species─from single atoms to subnanometric PdOx ensembles. We show that conventional terminal hydroxyl groups on CeO2 favor the anchoring of Pd single atoms, whereas engineered bridging hydroxyl nests effectively confine undercoordinated PdOx clusters. This PdOx ensemble results in a moderate 4d orbital occupancy of Pd sites, which optimizes the σ-electron-acceptance and back-donation processes critical for C–H bond activation. Consequently, the PdOx ensemble catalyst achieves a dramatic decrease in methane combustion temperatures (T50 and T90 values are 340 and 402 °C, lowered by 175 and 226 °C, respectively) compared to the single-atom counterpart, alongside exceptional stability and water resistance under practical conditions. This work establishes the engineering of the support’s hydroxyl microenvironment as a powerful strategy for designing highly efficient metal ensemble catalysts.
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POLYMER
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2026
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IF 5.1
Han Wu,Yingying Zhou,Liuchao Zhang,Jinlei Wu,Chenxi Wang,Xiaoyan Li,Rong Ma,Chaoqun Yang,Donghai Ding,Yuchang Qing,Hui Xie
Sequential electrospinning creates spatially separated MWCNT/h-BN bilayers. • M-B-30 delivers an RL min of −34.26 dB and an EAB max of 4.48 GHz. • M-B-30 reaches 91.52% solar reflectance and emissivity up to 0.979. • Outdoor cooling lowers M-B-30 to 16.45 °C below ambient temperature. • Bilayer design balances impedance matching, dielectric loss, and radiative cooling. Integrating passive radiative cooling with microwave absorption in a single membrane remains challenging because conductive carbon-based absorbers generally exhibit strong solar heating, whereas highly reflective components alter the dielectric response and disrupt the impedance-matching balance required for efficient microwave attenuation. Here, bilayer MWCNTs/h-BN nanofibrous composite membranes were fabricated by sequential electrospinning. The h-BN-containing polyacrylonitrile (PAN) upper layer was designed to enhance solar reflection and mid-infrared emission while moderating the impedance transition from free space to the lossy MWCNTs/PAN lower layer. By adjusting the h-BN content, the optical and electromagnetic responses of the bilayer membranes were effectively coordinated. The optimized M-B-30 membrane achieved a minimum reflection loss of −34.26 dB at 1.5 mm and a maximum effective absorption bandwidth of 4.48 GHz at 1.9 mm. It also exhibited a solar reflectance of 91.52% and an emissivity of up to 0.979 within the 8–13 μm atmospheric window, resulting in a maximum sub-ambient temperature reduction of 16.45 °C during outdoor testing. The microwave absorption was attributed to the balance among layered impedance matching, conductive dissipation, polarization relaxation, and multiple scattering, whereas the radiative-cooling performance resulted from enhanced solar scattering and efficient mid-infrared thermal emission. This spatially separated bilayer design provides an effective route for integrating microwave attenuation and passive thermal regulation in multifunctional composite membranes. Download: Download high-res image (589KB) Download: Download full-size image
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JOURNAL OF ALLOYS AND COMPOUNDS
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2026
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IF 6.7
Song Wu,Yongfeng Xia,Ming Zhu,Jun Zhao,Dongxu Yao,Yu-Ping Zeng
Machinable Si 3 N 4 ceramics containing 10 vol% h-BN and crystalline ytterbium silicate secondary phases were prepared. • Heat treatment promoted the crystallization of ytterbium-containing secondary phases into ytterbium silicates. • Crystallization was accompanied by the development of compressive residual stress. • 10 vol% h-BN with crystalline ytterbium silicate phases achieved drilling performance comparable to conventional 20 vol% h-BN. Traditionally, the machinability of Si 3 N 4 ceramics has mainly been improved by introducing individual weak-interface phases, while the role of grain-boundary phases was often neglected. In this study, Si 3 N 4 ceramics were fabricated by hot-press sintering with heat treatment using Yb 2 O 3 and SiO 2 as sintering additives. The crystalline ytterbium silicate secondary phases formed in situ during heat treatment, together with the addition of a small amount of h-BN, introduced weak-interface-forming regions into the Si 3 N 4 microstructure and contributed to improved machinability. The effects of sintering additive ratio, h-BN content, and heat-treatment temperature on mechanical and machinable properties were systematically investigated. The results demonstrated that Si 3 N 4 ceramics containing only 10 vol% h-BN could be readily machined using conventional cemented carbide drills while maintaining high strength, with a bending strength of 660 MPa, fracture toughness of 6.9 MPa·m 1/2 , Young’s modulus of 263 GPa, and Vicker’s hardness of 9.3 GPa (under 10 N).
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CHEMICAL ENGINEERING JOURNAL
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2025
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IF 13.2
Xiaohua Wang,Yanwei Li,Guang Sun,Jianliang Cao,Yan Wang
The pressing demand for environmental and health safeguarding has spurred intense enthusiasm among researchers to delve into metal oxide semiconductors (MOSs) based gas sensors. Particularly, the accurate detection of trace hydrogen sulfide (H₂S), which has drawn growing attention, has become a focal point. Herein, a molybdenum (Mo) doping strategy was presented to enhance the H₂S-sensitive properties of In₂O₃ nanomaterials to detect the presence of 1 ppm H₂S at comparatively lower temperatures. The Mo-doped In₂O₃ cubic nanoparticles (Mo-In₂O₃ CNPs) were synthesized through a hydrothermal route using In(OH) 3 as a precursor. When used as a sensitive material for the detection of H₂S, the Mo–In₂O₃ CNPs have shown some impressive improvements compared to pure In₂O₃ counterparts, including a reduction in working temperature (240 °C vs 300 °C), an increase in sensitivity (18.46 vs 11.34 for 20 ppm H₂S), a better selectivity (6.2 vs 2.84 times to ethanol), and a lower limit of detection (0.79 vs 0.47 ppm). Even to 1 ppm H₂S, the Mo-In₂O₃ sensor can give a response of 2.18, signifying its application feasibility in detecting trace amounts of H₂S. The multiple sensitization effects and their potential mechanism of Mo-In₂O₃ CNPs were discussed in detail.
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CHEMISTRY-A EUROPEAN JOURNAL
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2023
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IF 4.3
Yuan-Yang Guo,Ze-Hua Tian,Yu-Chen Han,Dandan Ma,Tianju Shao,Zhiyong Jiang
Graphical Chemically stable Hantzsch ester is discovered to be an efficient and economical NAD(P)H mimic as sacrificial electron source in in vitro bioconversions. Biocatalysis has emerged as a valuable and reliable tool for industrial and academic societies, particularly in fields related to bioredox reactions. The cost of cofactors, especially those needed to be replenished at stoichiometric amounts or more, is the chief economic concern for bioredox reactions. In this study, a readily accessible, inexpensive, and bench-stable Hantzsch ester is verified as the viable and efficient NAD(P)H mimic by four enzymatic redox transformations, including two non-heme diiron N -oxygenases and two flavin-dependent reductases. This finding provides the potential to significantly reduce the costs of NAD(P)H-relying bioredox reactions.
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PubMed
高影响因子
JOURNAL OF CATALYSIS
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2026
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IF 6
Xiangwei Ren,Yue Zhang,Shuzhen Lyu,Li Wang,Ruichen Liu,Guozhu Liu,Rongrong Zhang
Oxidation of methylene compounds remains a critical challenge due to the difficult activation of C–H bond. Herein, Ce–Al composite oxide was prepared and employed for oxidation of 2-alkyl-anthrone and anthracene to corresponding anthraquinone (AQ) which is used widely in the H 2 O 2 production by the anthraquinone process and fine chemical industries, with air at mild conditions. Characterization results show that incorporation of Ce, existing partially in CeAlO 3 phase, results in the generation of oxygen vacancies and enhancement of reducibility. The optimal Ce–Al composite oxide (10%CeAl) exhibits superior performance in oxidation of 2-alkyl-anthrone and anthracene to AQ. The conversion of 100% could be achieved for 2-alkyl-anthrone to AQ at reaction time of 8 h and for 2-alkyl-anthracene to AQ at 15 h over 10%CeAl, with 100% selectivity. In-situ electron paramagnetic resonance measurements and DFT calculations reveal that the Ce–O–Al structure in CeAlO 3 phase promotes the formation of carbon-centered radical R • through altering the C–H cleavage mechanism from hydrogen atom transfer to proton-coupled electron transfer (PCET), and superoxide anion radicals (O 2 •− ) formed on oxygen vacancies promote oxidation of R • .
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JOURNAL OF ENVIRONMENTAL MANAGEMENT
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2026
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IF 9.2
Jia Yuan,Chunyu Wang,Xinrui Yuan,Xin Wang,Xu Gao,Yuxuan He
Due to the excessive chemical-energy consumption, conventional treatments ( e.g. Fenton or catalytic ozonation) have faced great challenges when treating chemical wastewater containing tetrabromobisphenol S (TBBPS), a prevalent brominated flame retardant. This study proposes an electrocatalytic active atomic hydrogen (H*)-mediated electroreduction strategy, enabling enhanced degradation of TBBPS into intermediates with lower toxicity and higher biodegradability. A palladium-modified electrocatalytic microfiltration membrane (EMM) was developed to efficiently generate H*, which played a dominant role in the reductive debromination of TBBPS. By conducting quenching experiments, it was found that free H* and adsorbed H* co-dominate the TBBPS removal process. Under optimized conditions, the EMM achieved nearly complete removal (∼100%) of TBBPS (100 mg L −1 ) within 60 min, with a low energy consumption of 9.53 kWh/m 3 . The degradation pathway of TBBPS was proposed on the results of calculations and LC-MS analysis, and the evidence demonstrated the lower toxicity of the degradation intermediates. These findings emphasize the prospects of H*-mediated electroreduction strategy as a green and environmentally friendly treatment for industrial wastewater treatment.
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INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
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2022
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IF 4.326
Wen-Shuang Zhu,Dai Sun,Ling-Li Yu,Shao-Qi Zhi,Yu-Dong Shan,Yi-Fang Lu,Hai-Tao Ren,Song-Hai Wu,Yong Liu,Xu Han
In this study, Bi2.15WO6 with different morphologies was successfully synthesized and used for the selective photooxidation of benzyl alcohol to benzaldehyde in aqueous solutions. High conversion (85%) and selectivity (85%) can be simultaneously achieved under alkaline conditions by adding ethylenediamine to protect the produced benzaldehyde from overoxidation. In the oxidation process, ≡Bi–OO• and ≡Bi–OOH on Bi2.15WO6, instead of OH• and O2•–, are the primary oxidizing species to sequentially abstract two H (H+ + e–) from benzyl alcohol, accompanied by the formation of H2O2. Meanwhile, h+ and OH– also minorly contribute to the selective oxidation of benzyl alcohol via the H-abstraction pathway. This study enriches our understanding of the oxidizing species involved in the selective photooxidation of benzyl alcohol to benzaldehyde.
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