CHEMICAL ENGINEERING JOURNAL
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2025
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IF 13.2
Hongjun Dong,Hansong Cheng,Yun Wang,Zuoyi Liu,Deping Wang,Liqiu Zhang,Yangyang Yu,Chunmei Li
It is a recognized challenge that the elaborate design of metal-organic framework (MOF) derived architecture with tunable electronic structure to achieve efficient catalytic capacity, especially involving in multiatomic catalytic sites. Herein, employing electrochemical reconstruction of Rh-doped Co-BTC MOF, a new catalyst with a unique dual-modified architecture of surface decoration of Rh quantum dots (QDs) and lattice doping of Rh atoms, Rh QD /Rh-CoC 2 O 4 , is fabricated. The key Co-H* and Rh-H* intermediates are detected by in situ shell-isolated nanoparticle enhanced Raman spectroscopy (SHINERS), confirming that the Rh/Co diatomic catalytic sites are created in the Rh QD /Rh-CoC 2 O 4 catalyst. Density functional theory (DFT) calculations further uncover that this unique dual-modified architecture synergistically regulates electronic structure such as electron transfer capacity, d-band center and interfacial electron distribution, which enables the Rh and Co atoms in the Rh-doped lattice matrix of CoC 2 O 4 at the interface with Rh QDs to be effectively triggered, thereby reducing the energy barrier of the hydrogen generation reaction (HER). As a result, the overpotential of the optimal Rh QD /Rh-CoC 2 O 4 -3 catalyst is only 16.5 mV at the current density of 10 mA cm −2 in acidic medium, well below that of the Pt/C benchmark (31.0 mV) and the recently reported Rh-based catalysts. Moreover, it can remain stable operation for more than 120 h without attenuation. This contribution emphasizes the significance of MOF reconstruction in electrocatalytic reactions and sheds a new light on the synergistic regulating effect of MOF-derived catalysts with complex architecture.
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高影响因子
JOURNAL OF MEMBRANE SCIENCE
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2025
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IF 9
Yanmei Li,Xitai Cai,Chunjie Chen,Libo Li,Yali Zhao,Wufeng Wu,Yanying Wei
Metal-organic framework (MOF) nanosheet membranes are promising for H 2 purification because their highly tunable pore networks permit precise control of the sieving aperture. However, unavoidable linker rotation in MOFs impedes precise molecular sieving, with the impact further amplified in low-dimensional 2D nanosheets due to increased conformational freedom. Herein, we establish a rational rigidity-control strategy in heterobimetallic Zn (100-x) Co x (Bim)(OAc) nanosheets achieved by in-situ dual-metal integration. Moderate Co 2+ incorporation reinforces the framework rigidity while preserving structural integrity, which sharpens molecular sieving. At an optimal Co 2+ content of ∼30%, the Zn (100-x) Co x (Bim)(OAc) nanosheet membrane exhibits an exceptional H 2 /CO 2 selectivity of 243, a 180% improvement over the more flexible Zn(Bim)(OAc) membrane. However, excessive Co 2+ incorporation induces structural disorder, demonstrating that an optimal balance between rigidity enhancement and structural integrity is crucial for maximizing separation performance, providing an opening avenue for rational design in 2D MOF nanosheet membranes.
研究领域:
材料科学
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膜分离
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纳米技术
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气体纯化
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金属有机框架（MOF）
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高影响因子
FUEL
·
2025
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IF 7.5
Xiaomei Qin,Chengchao Liu,Xiaoyun Qin,Jianbo Zhao,Huishi Guo,Yanghai Gui,Jingfei Xiao,Zhen Zhang
In this study, activated biochar (ABC) sourced from solid biowaste was prepared using wheat straw as the carbon source. The ABC was then used as a carrier for the in-situ growth of Cu-MOF-74, which was subsequently pyrolyzed at high temperatures to prepare Cu-MOF derivative-modified porous biochar composites Cu/ABC-T (T = 700–1000 °C) with a uniform distribution of Cu species on the biochar surface. The effect of pyrolysis temperature on the as-prepared Cu/ABC was investigated. The experimental results showed that Cu/ABC-900 exhibited the optimal adsorption performance for DBT, confirming that the uniform distribution of Cu on the biomass carbon surface after high-temperature pyrolysis effectively enhanced the desulfurization performance. Specifically, the as-prepared Cu/ABC-900 achieved an adsorption efficiency of nearly 90 % for 1000 ppm DBT, with an adsorption equilibrium time of only 5 min and a maximum adsorption capacity of 19.70 mg S·g −1 . The adsorption process of DBT by Cu/ABC followed the pseudo-second-order kinetic model and Langmuir adsorption model. The adsorption performance of Cu/ABC-900 for different sulfides followed the order: DBT > BT > TH. Furthermore, the adsorption efficiency of Cu/ABC-900 for DBT did not exhibit any significant decline after five regeneration cycles, indicating the excellent regenerability and great potential for practical applications. This work provides a new approach to utilizing carbon-based adsorbents for deep desulfurization, which is beneficial for cost-effective fuel cleaning.
研究领域:
环境科学
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能源化学
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材料科学
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化学工程
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燃料净化
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高影响因子
CATALYSIS LETTERS
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2020
·Vol. 151
·期 7
·1961-1975
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IF 2.482
Wei Congcong,Zhang Wei,Wang Xinpeng,Li Aihong,Guo Jianping,Liu Bo
Abstract Here, g-C 3 N 4 /TiO 2 photocatalysts with mesoporous structure and intimate interfacial connection were synthesized via the facile pyrolysis of g-C 3 N 4 /MIL-125 composites. The photocatalytic H 2 evolution reaction was performed to examine the photocatalytic activity of obtained photocatalysts. Under the UV–vis light irradiation, the average H 2 evolution rate of g-C 3 N 4 /TiO 2 sample with optimal g-C 3 N 4 loading content (4.12wt%) was most increased by up to 0.606 mmol·g −1 ·h −1 , a value which transcended that of as-prepared g-C 3 N 4 (0.138 mmol·g −1 ·h −1 ) and mesoporous TiO 2 (0.244 mmol·g −1 ·h −1 ) by a factor of 4.41 and 2.48, respectively. The improvement in photocatalytic activity of g-C 3 N 4 /TiO 2 composites was explained by the synergistic effect between large specific surface area, decreased energy band gap and intimate interface contact. This study demonstrated a new approach for the preparation of binary mesoporous heterojunction photocatalysts. Graphical Abstract
研究领域:
材料科学
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光催化
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高影响因子
Journal of Materials Chemistry A
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2020
·Vol. 9
·期 7
·3976-3984
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IF 11.301
Zhongliang Huang,LongLong Fan,Bin Chen,Shu-feng Zhou,Jiale Huang,Qingbiao Li,Guowu Zhan
The controlled growth of MOF crystals in a confined space has long been a challenge. In this contribution, we present a facile strategy for the confined growth of MOF crystals in a mesoporous silica shell by pre-installing a metal stock inside the cavity while transporting organic linkers through the permeable shell. Remarkably, the size and shape of the confined MOF crystals could be controlled effectively by adjusting the synthesis parameters. The obtained MOF@mSiO2 composites could further be functionalized with a range of surfactant-free metal nanoparticles (MNPs, e.g., Au, Pd, and Ag) via galvanic replacement reactions on the encapsulated Cu2O surface during a one-pot preparation. This led to ultrafine MNPs embedded within the MOF matrix. The construction of the MOF and the galvanic replacement reaction occurred on similar time scales, and the Cu2O cores are believed to play dual roles in the synthesis: (i) providing a source of copper ions for building MOFs, and (ii) serving as a reductant to form noble MNPs which in turn significantly accelerated the formation kinetics of MOF crystals (to within 1 minute). Furthermore, it was also demonstrated that the encapsulated MOFs/MNPs within the mSiO2 shells were highly accessible to the general gas/liquid molecules and exhibited excellent catalytic activity for several oxidation reactions.
研究领域:
材料科学
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化学
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高影响因子
JOURNAL OF MEMBRANE SCIENCE
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2023
·
IF 9.5
Rong Xu,Xin Liu,Chunhui Zhu,Yang Pan,Shixin Cheng,Xiuxiu Ren,Meng Guo,Jing Zhong,Quan Liu,Gongping Liu
A new amine-functionalized UiO-66/organosilica mixed-matrix membrane was fabricated and explored for pervaporation (PV) water desalination . The incorporation of amine-functionalized UiO-66 (UiO-66-NH 2 ) into the BTESE-derived organosilica networks endowed the membrane with enhanced hydrophilicity and dense network structure, leading to an improvement in water flux and NaCl rejection. The UiO-66-NH 2 /BTESE mixed-matrix membrane was proved to be highly effective for desalination of saline water in concentrations from 1 to 13 wt% of dissolved NaCl. Moreover, the membrane exhibited superior structural stability under a continuous PV desalination operation up to 100 h, delivering water permeance of >3.1 × 10 −6 mol m −2 s −1 Pa −1 combined with NaCl rejection of >99.9%. The high water permeance was mainly ascribed to the specific pore structure and the preferential interactions between pore channels and water molecules, and the excellent salt rejection was primarily based on the sieving effect. The proposed UiO-66-NH 2 /BTESE mixed-matrix membranes show great prospects as an alternative for concentrated brine desalination.
研究领域:
材料科学
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膜分离技术
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环境工程
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纳米材料
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化学工程
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高影响因子
MICROCHEMICAL JOURNAL
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2022
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IF 5.304
Juan Lu,Zhuo Sun,Xin Zhang,Xiangyu Shan,Qian Wu,Yingjie Zhao,Li Tian
A novel electrochemiluminescence (ECL) sensor for glucose detection was constructed by covering Au nanoparticles (Au NPs), Ni metal–organic frameworks nanofibers (Ni-MOF NFs) and glucose oxidase (GOD) on the electrode surface, respectively. Ni-MOF NFs prepared by electrostatic spinning can be used as GOD carrier and ECL promoter. Meanwhile, synergistic effect of Ni-MOF NFs and Au NPs could amplify the ECL signal of Ru(bpy) 3 2+ -TPrA system. With the increasing of glucose concentration, ECL signal was also increasing, so a method for determining glucose could be established. The possible mechanism of luminescence was investigated, and the parameters affecting the experimental reaction were also studied. Under the optimal conditions, the constructed ECL sensor can effectively detect glucose in the range of 2.0 × 10 −10 to 2.0 × 10 −5 M, and the detection limit was 6.7 × 10 −11 M. This study demonstrated for the first time that Ni-MOF NFs could serve as ECL accelerator for the facile detection of glucose in human serum.
研究领域:
生物分析化学
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电化学传感
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纳米生物技术
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临床检验医学
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分子诊断
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高影响因子
MICROCHIMICA ACTA
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2026
·Vol. 193
·期 2
·74
·
IF 5.3
Chang Ruimiao,Liu Shumian,Wang Jingjing,Wang Huichun,Jia Shuai,Ye Yuting,Qu Xinying,Li Yong,Zheng Ji,Fang Xiaoxing
We developed a highly sensitive electrochemical sensor based on zirconium-iron metal-organic frameworks (ZrFe-MOF) for the precise detection of ultra-low abundance miRNA-21. The construction of this sensor, through an innovative thermal alkaline activation strategy, exposed abundant binding sites on the surface of ZrFe-MOF, significantly improving aptamer (Apt) loading efficiency, thereby, achieving unprecedented sensitivity with a wide linear range (100 aM-10 nM, R² = 0.997) and a record-low detection limit of 19.33 aM - outperforming existing methods by 1-2 orders of magnitude. Besides, the biosensor successfully discriminates miRNA-21 expression profiles in breast cancer cell lines and breast adenocarcinoma (MDA-MB-231 vs. MCF-7 vs. MCF-10 A), showing high consistency with qPCR results. This work not only demonstrates a novel binding-site engineering strategy for nucleic acid detection but also presents a clinically viable platform for early cancer diagnosis with superior sensitivity, specificity, and reproducibility. This thermal-alkaline activation strategy could be extended to other bimetallic MOFs for multiplex miRNA detection, with future efforts targeting sensor miniaturization for point-of-care use. Current challenges include balancing the material’s electron transfer efficiency with long-term storage stability and verifying the sensor’s performance in large-scale clinical cohort samples.
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PubMed
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
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IF 9.6
Hongbin Chen,Shasha Wang,Ruolan Deng,Yufan Gan,Meiqi Hu,Fujun Wang,Lu Wang,Jifu Mao
The crinkled active coating deforms with yarn substrates upon stretching, making electrodes strain-insensitive. • Polypyrrole (PPy) bridges adjacent Ni-CAT units to accelerate interfacial electron transfer and reduce contact resistance. • The interconnected porous channels in Ni-CAT facilitate fast ion migration and reduce diffusion resistance. • The yarn supercapacitor retains 90% capacitance under stretching, bending, and twisting, showing outstanding strain-insensitivity. Endowed with remarkable flexibility and weavability, yarn-based supercapacitors hold substantial promise as energy-storage devices for wearable electronic textiles. However, current supercapacitors lack stretchability and struggle to maintain structural integrity and electrochemical stability under the complex, multi-dimensional deformations caused by human movement, which severely limits their practical application in wearable electronics. This study prepared a strain-insensitive yarn supercapacitor with a crinkled structure using a pre-stretched interfacial polymerization method through structural design and material selection. The supercapacitor demonstrates a high area capacitance of 27.9 mF cm −2 (40.13 F g −1 ), a power density of 37.42 μW cm −2 (54.26 W kg −1 ) and an energy density of 2.2 μWh cm −2 (3.2 Wh kg −1 ). Moreover, it retains 91.19% relative to its original capacitance when subjected to a high static stretch of 200% and still maintains 87.5% capacitance after 3000 dynamic stretching cycles (at a stretching rate of 10% s −1 ). These results clearly illustrate its excellent strain-insensitivity and underscore its significant potential as an energy storage platform for wearable electronics. Download: Download high-res image (137KB) Download: Download full-size image
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DOI
PubMed
高影响因子
ULTRASONICS SONOCHEMISTRY
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2026
·
IF 10.2
Xiaoman Zhang,Jinyu Lin,Qi Zhou,Wenwu Cao
ZIF-8-based nanostructures were engineered for cavitation enhancement. • Bare ZIF-8 leads to a non-monotonic size-dependent apparent cavitation threshold. • Particle morphology modulates cavitation in addition to material type. • Mesoporous silica shells amplify low-threshold cavitation for all sizes. • Interfacial engineering enables MOF-based low cavitation threshold. Ultrasound-induced cavitation plays an important role in ultrasound-mediated treatments, drug delivery, and sonodynamic therapy, yet the mechanism of regulatory functions of metal–organic framework (MOF) nanoparticles toward cavitation intensity is still not fully understood. In this study, zeolitic imidazolate framework-8 (ZIF-8) was used as a model system to investigate the effects of particle size, external morphology, and mesoporous silica shell engineering on cavitation behavior under low-intensity ultrasound. The results showed that bare ZIF-8 nanoparticles exhibited limited cavitation enhancement, but displayed a clear non-monotonic size dependence, with the intermediate-sized sample showing the lowest apparent cavitation threshold. Comparison between rhombic dodecahedral and cubic ZIF-8 further indicated that the external geometric boundary of the particles affects their nonlinear acoustic response. Compared with size and morphology regulation alone, mesoporous silica coating markedly enhanced the third-harmonic response of ZIF-8-based particles and reduced the cavitation threshold across the investigated size range, particularly in the low-intensity region. These findings support an interface-governed mechanism in which particle geometry and mesoporous shell structure modulate gas-nucleus stabilization and activation, providing a strategy for constructing MOF-based low-threshold cavitation nanoplatforms. Download: Download high-res image (94KB) Download: Download full-size image
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高影响因子
Defence Technology
·
2026
·
IF 6.4
Yazhuo Qian,Yimeng Wang,Meng Zhang,Mengqi Yuan,Qianyou Wang,Li Yang
Multifunctional protective textiles that resist fire, suppress bacterial contamination, and enable the conversion of chemical warfare agent simulants are highly desirable for harsh operational environments. Herein, a hybrid coating was constructed on cotton, polyester (PET), and polyester/cotton blended fabrics (T/C) using a two-step hot-pressing route. A Zn-based dual-ligand metal organic framework (MOF) layer was first grown in situ to provide flame-retardant catalysis and antibacterial Zn 2+ activity, followed by the introduction of amino-functionalized polyhedral oligomeric silsesquioxane (POSS) and immobilization of Tetrakis (4-carboxyphenyl) porphyrin (TCPP) through interfacial interactions to form a robust hybrid network. The resulting fabrics showed substantially improved flame-retardant performance, with the limiting oxygen index (LOI) of cotton increasing from 17.7% to 44.8%, together with high char yield. They also exhibited broad-spectrum antibacterial activity, with more than 99.9% inhibition against Staphylococcus aureus and Escherichia coli , and enabled light-driven degradation of chemical warfare agents (2-chloroethyl ethyl sulfide, CEES), achieving approximately 95% conversion within 10 min. In addition, all coated fabrics retained more than 90% of their initial LOI values after 30 laundering cycles, indicating good laundering resistance of the flame-retardant performance. This work offers a scalable strategy for integrated multifunctional protective textiles.
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高影响因子
RUSSIAN JOURNAL OF GENERAL CHEMISTRY
·
2026
·Vol. 96
·期 7
·188
·
IF 1
Yu Zhaoxiang,Yang Mengyao,Cao Xiyue,Xia Jianfei,Wang Zonghua
A bimetallic FeCo-NC nanozyme was synthesized via pyrolysis of a FeCo-ZIF precursor and evaluated for its enzyme-like catalytic activity and colorimetric sensing performance. Structural characterizations confirmed the formation of a nitrogen-doped porous carbon framework with uniformly dispersed Fe and Co active sites. The FeCo-NC nanozyme exhibited superior oxidase-like activity compared with monometallic counterparts, which is attributed to the synergistic interaction between Fe and Co sites that facilitates electron transfer. Kinetic analysis revealed that the catalytic reaction follows typical Michaelis-Menten behavior, with a low Michaelis constant toward TMB, indicating high substrate affinity. Based on the efficient oxidation of TMB and the subsequent reduction of oxidized TMB by ascorbic acid (AA), a label-free colorimetric sensing platform was constructed. The proposed system showed a concentration-dependent response toward AA with two linear detection ranges (0.1–5 and 5–50 μM) and exhibited high selectivity against common interfering species. This work demonstrates that MOF-derived bimetallic nanozymes are effective catalysts for colorimetric sensing and provides a feasible strategy for the development of nanozyme-based platforms for biomolecule detection.
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高影响因子
危险品化学品经营许可证（带存储）