APPLIED CATALYSIS A-GENERAL
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2026
·
IF 4.8
Wenjing Song,Zhenhao Xiao,Rui Fu,Dafang He,Jiawei Xia,Xinmin Li,Guangyu He,Weizuo Li,Haiqun Chen
Using an imine-coordination-mediated PSM-pyrolysis strategy to fabricate Mo 2 N-ZnO based catalyst (MZ/CNP- icm ). • The MZ/CNP- icm catalyst was applied for CO 2 cycloaddition reaction. • High activity ascribed to more Mo 2 N with synergistic interaction between Mo 2 N and ZnO. The cycloaddition of CO 2 with epoxides into cyclic carbonates represents an atom-economical and sustainable pathway for carbon utilization, yet it requires catalysts capable of synergistically activating both substrates. Herein, a heterostructured Mo 2 N–ZnO catalyst embedded in N,P-doped carbon (MZ/CNP- icm ) is constructed via an imine-coordination-mediated post-synthetic modification and pyrolysis strategy using a 2D imine-rich Zn-MOF (Zn- hmta ) and phosphomolybdic acid (PMo 12 ). The imine coordination enables molecular-level anchoring of Mo species and creates a nitrogen-rich microenvironment, which directs the phase evolution toward Mo 2 N rather than inactive MoO 3 during pyrolysis. As a result, well-defined Mo 2 N-ZnO heterointerfaces and a defect-rich carbon matrix are formed. Under mild conditions (75 °C, 1 MPa CO 2 ), the catalyst achieves nearly 100% conversion and selectivity, together with a significantly enhanced turnover frequency compared to control samples. Mechanistic studies combining in-situ DRIFTS and 1 H NMR reveal that Zn 2+ sites activate epoxides while Mo 2 N activates CO 2 , and the heterointerface enables efficient coupling of intermediates. The catalytic enhancement originates from the synergistic interplay between interfacial electron transfer and defect-rich active sites. This work provides a general strategy for regulating phase evolution and interfacial structure in MOF-derived catalysts for efficient CO 2 conversion. Download: Download high-res image (198KB) Download: Download full-size image
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Foods
·
2026
·Vol. 15
·期 5
·829
·
IF 6
Jinqiong Xu,Xinyu Yu,Jianbo Liu,Qinglin Sheng
Pseudomonas aeruginosais an important waterborne pathogen that is harmful to food safety and human health. Therefore, the detection ofPseudomonas aeruginosahas become an essential item in food sampling. This article constructs a fluorescent aptamer sensor based on Tb-MOFs, using Tb-MOFs as the fluorescence signal source, colloidal gold (AuNPs) as the signal conversion switch, and aptamers as the target recognition element, to establish a quantitative detection method forPseudomonas aeruginosa. The constructed sensor exhibits a good linear relationship within the concentration range ofPseudomonas aeruginosafrom 1 to 106CFU/mL, with a detection limit of 0.63 CFU/mL. Moreover, the sensor was also applied to the detection ofPseudomonas aeruginosain actual samples of bottled drinking water and orange juice. The fluorescent aptasensor based on Tb-MOFs provides a rapid and sensitive new sensing method for the detection ofPseudomonas aeruginosain food.
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高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2026
·
IF 9.1
Fang Wang,Jixin Dong,Jinchi Mu,Xiaosheng An,Jiandong Chen,Shuai Leng,Ying Zhou
Hydrate-based technology offers an environmentally friendly and energy-efficient route for CO 2 capture from flue gas, but its practical application is hindered by slow kinetics, high compression energy demand and limited separation efficiency. To address these challenges, this study introduces three-dimensional (3D) nanoporous metal-organic frameworks (MOFs) as kinetic promoters for enhanced CO 2 capture from the simulated flue gas (20% CO 2 /80% N 2 ). Particularly, we functionalize 3D MIL-100(Fe) with 2D boron nitride oxide (BNO) to construct a BNO/MIL-100(Fe) 2D/3D hybrid architecture featuring substantially enhanced specific surface area and optimized pore characteristics. Compared to unmodified MIL-100(Fe), 2D Ni/Fe layered double hydroxide (Ni/Fe-LDH), graphitic carbon nitride (g-C 3 N 4 ) and one-dimensional (1D) multi-walled carbon nanotubes (MWCNTs), the BNO/MIL-100(Fe) hybrid exhibits superior kinetic promotion performance, owing to the specific surface area as high as 1001.81 m 2 /g and tailored porosity that facilitate efficient CO 2 mass transfer and provide abundant nucleation sites, thereby accelerating hydrate formation. Consequently, the induction time is shortened by approximately 51% compared with pure tetrahydrofuran in the control group and the overall CO 2 hydrate growth is significantly accelerated. Under a low operating pressure of 2.5 MPa and at 275 K, BNO/MIL-100(Fe) achieves a CO 2 storage capacity of 3.99 mmol CO 2 /mol H 2 O and a high separation efficiency of 82.57%, substantially outperforming most reported hydrate-based promoters. This work highlights the strong potential of MOF-based kinetic promoters and provides new insights into the design of advanced materials that integrate 2D modifiers with 3D nanoporous frameworks for efficient CO 2 separation.
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JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
·
2025
·
IF 4.9
Jing Li,Ying-Xia Ma,Shi-Fan Chang,Jia-Qi Liu,Fei Wang,Fen Ran,Pei-Qing La
Traditional metal-organic frameworks (MOFs), typically adopting a single-metal-single-ligand combination mode, and generally suffer from issues such as poor conductivity, low electron mobility, and structural instability, which significantly restrict the practical performance as electrode materials. To overcome the limitations, this study proposed a synergistic strategy of dual ligands and heterogeneous metal ions doping. In this work, firstly, adopting a dual-ligand strategy, 2-amino-5-mercapto-1,3, 4-thiadiazole (EAMTD) with planar five-membered heterocyclic ligand and terephthalic acid (PTA) with linear carboxylic acid ligand coordinated with Ni ions to synthesize a novel Ni-MOF-EAMTD/PTA. The integration of dual-ligand molecules with different spatial configurations facilitates the Ni-MOF-EAMTD/PTA to form a three-dimensional cross-linked network porous structure and a high specific surface area (311.89 m 2 g −1 ), which could promote the rapid transport of charge carriers. Meanwhile, heteroatoms in the ligands and the π-π stacking effect could enhance the electrical conductivity. After testing, the Ni-MOF-EAMTD/PTA exhibited an excellent specific capacity of 884 C g −1 (3.54 C cm −2 ) at 1 A g −1 . Subsequently, to further optimize the electronic structure and improve the electrochemical performance, heterogeneous metal ion doping strategy was employed to construct Ni/Co-MOF-EAMTD/PTA. The specific capacity of Ni/Co-MOF-EAMTD/PTA increased to 1032 C g −1 at 1 A g −1 current density. The asymmetric supercapacitor (ASC) assembled by Ni/Co-MOF-EAMTD/PTA and activated carbon delivered an energy density of 61.1 Wh kg −1 at a power density of 900 W kg −1 . More significantly, the ASC device demonstrated excellent cycling stability and unique capacity recovery characteristics, thereby endowing the device with a long service life and broad application potential. Overall, the strategy of dual-ligand and heterometallic doping in this work could provide a feasible approach for development of high-performance energy storage devices.
研究领域:
材料科学
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电化学
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能量存储与转换
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纳米材料
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超级电容器
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TALANTA
·
2025
·
IF 6.1
Jiejun Li,Liang Wang,Caiyu Ge,Zuwen Zheng,Yijing Wang,Pengcheng Zhao,Junjie Fei,Yixi Xie
As a natural flavonoid with diverse pharmacological activities, luteolin has shown attractive potential in various applications such as drug discovery, food preservation, health care products, and cosmetics. The precise quantification of luteolin is not only crucial for optimizing its therapeutic efficacy, but also for ensuring compliance with safety standards, as its biological activity largely depends on concentration thresholds and excessive intake may lead to adverse reactions. Here, we have successfully developed an electrochemical sensing platform for luteolin using a simple synthesis strategy. The core of this platform lies in the composite of metal oxides/alloys and nitrogen-doped porous carbon obtained after pyrolysis, whose unique porous architecture and rich pyrrolic nitrogen structure provide efficient adsorption sites for luteolin, while the diverse active centers embedded in the composite significantly enhance its electrocatalytic efficacy. The carefully constructed FeCo-NC-800/GCE electrochemical sensing platform exhibits excellent performance in detecting luteolin. More importantly, we have successfully applied this sensing platform to the detection of luteolin in actual samples such as peanut shells, honeysuckle, and chrysanthemum, which verified the accurate identification of luteolin by FeCo-NC-800/GCE in complex environmental backgrounds and demonstrated its great potential in practical applications.
研究领域:
分析化学
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材料科学
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生物医学工程
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药物分析
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高影响因子
ChemistrySelect
·
2025
·Vol. 10
·期 23
·e02743
·
IF 2
Xiaoling Xie,Jingyuan Tian,Junying Wu,Ruijie Guo,Jie Zhang,Dongsheng Fu,Huifang Wang,Baolong Niu,Hong Yan
Graphical The novel antibacterial agent CuO@γ-CD-MOFs was synthesized and then incorporated into the PLA/PBAT composite films for food packing materials. The films exhibited superior antibacterial activity and strong UV-blocking ability and water vapor barrier property. Besides, the complementary PLA and PBAT endowed the composite films with enhanced elongation at break compared with that of brittle PLA, and higher tensile strength than PBAT. The biosafe and reusable γ-CD-MOFs were employed as the copper oxide (CuO) carriers to counter the agglomeration of CuO nanoparticles (NPs); and such a novel antibacterial agent CuO@γ-CD-MOFs was synthesized by a facile and eco-friendly direct calcination approach, and then incorporated into the polylactic acid (PLA)/poly(butylene adipate-co-terephthalate) (PBAT) composite films for food packing materials. The effect of the CuO@γ-CD-MOFs nanoparticles on the antibacterial and physical properties was investigated, and the films with 5% CuO@γ-CD-MOFs NPs content displayed the optimal comprehensive performance. Specifically, the composite films PPM-5 exhibited superior antibacterial activity with the inhibition rates against Staphylococcus aureus and Escherichia coli exceeding 95%, which attributed to the uniformly dispersed CuO nanoparticles by metal organic frameworks (MOFs) carrier. Besides, the films provided strong UV-blocking ability and water vapor barrier property. Furthermore, the complementary PLA and PBAT endowed the composite films with enhanced elongation at break compared with that of brittle PLA, and higher tensile strength than PBAT. MTT assay confirmed the satisfactory biocompatibility. The composite films are expected to find great applications in the field of biodegradable food packing.
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SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
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2025
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IF 4.6
Mu-Lan Yao,Si-Lu Wang,Si-Mian Liu,Xiao Wang,Ji-Jiang Wang,Xiang-Yang Hou
This study presents a novel method for simultaneous identification of Hg 2+ , In 3+ , and Zr 4+ ions in solution using a double-emission fluorescence MOFs composite (EY@MOF-1) as a probe. The new pure zinc-based metal-organic framework ({[Zn 3 (TPPO) 2 (1,4-IYI) 2 ]·3H 2 O} n , MOFs-1, Tri( p - carboxyphenyl) phosphorus oxide = H 3 TPPO,1-(4-imidazol-1-ylphenyl)-imidazole = 1,4-iyi, Eosin Y = EY) produces strong single emission fluorescence at 364 nm when excited at 320 nm. Utilizing its unique fluorescent properties, MOFs-1 can effectively identify Hg 2+ , In 3+ , and Zr 4+ ions in solution. However, the fluorescence quenching effect caused by the three ions is identical, making it impossible to accurately determine which metal is the identified ion. To address this issue, a post-modification synthesis strategy was used to construct EY doped dual-emission fluorescent material EY@MOF-1. As expected, EY@MOF-1 can effectively identify and differentiate Hg 2+ , In 3+ , and Zr 4+ ions in solution based on their different fluorescence quenching changes. The probe has a limit of detection of 0.18 μM (Zr4+), 0.20 μM (In3+), and 0.13 μM (Hg2+) within a certain concentration range. The mechanism of fluorescence recognition was investigated in depth. This double emission fluorescence probe, with its high sensitivity and selectivity, is the first of its kind and provides a simple and reliable method for effective identification of Hg 2+ , In 3+ , and Zr 4+ . It has potential applications in environmental monitoring and is a valuable tool for ion identification.
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高影响因子
LANGMUIR
·
2025
·
IF 3.9
Fuhua Wei,Min Li,Qinhui Ren,Qin Zhang,Wei Shang,Diaodiao Zhang,Lanyan Tian,Zhao Liang
In this study, Fe/Zn-metal–organic frameworks (Fe/Zn-MOFs) were synthesized via microwave-assisted ball milling and characterized via Fourier transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction, and nitrogen adsorption–desorption analysis. Fe/Zn-MOFs were highly effective in removing common organic pollutants. Experimental results revealed that Fe/Zn-MOFs exhibited excellent removal efficiencies, with maximum rates of 95.2 and 99.3% for levofloxacin hydrochloride (LH) and Congo red (CR), respectively. Additionally, Fe/Zn-MOFs exhibited remarkable adsorption capacities for CR and LH, with maximum values of 2806.5 and 77.8 mg/g, respectively. These results highlight the potential of Fe/Zn-MOFs as an effective material for the removal of organic pollutants.
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TALANTA
·
2024
·
IF 5.6
Li Zhang,Xiaoya Bi,Hui Wang,Libo Li,Tianyan You
Ligand-protected gold nanoclusters (AuNCs) have become promising nanomaterials in fluorescence (FL) methods for mercury ions (Hg 2+ ) monitoring, but low FL efficiency hinders their widespread application. Herein, AuNCs/cerium-based metal-organic frameworks (AuNCs/Ce-MOFs) were prepared by loading 6-aza-2-thiothymine-protected AuNCs (ATT-AuNCs) with aggregation-induced emission (AIE) effect on the surface of Ce-MOFs by electrostatic attraction. This strategy improved the FL intensity of AuNCs through two aspects: (i) the AIE effect of ATT-AuNCs and (ii) the confinement effect of Ce-MOFs, which improved the restriction of intramolecular motion (RIM) of ATT-AuNCs. In addition, Ce-MOFs could adsorb and aggregate Hg 2+ during detection, which might increase the local concentration. Therefore, based on the high FL signal of AuNCs/Ce-MOFs and enriched Hg 2+ , sensitive detection of Hg 2+ could be achieved. More importantly, the strong specific recognition between AuNCs and Hg 2+ could guarantee selectivity. The developed FL sensor exhibited superior detection performances with a wide linear range of 0.2–500 ng mL −1 and a low detection limit of 0.067 ng mL −1 . Furthermore, the FL sensor used for sensitive and selective detection of Hg 2+ in real samples, and the results agreed well with the standard method. In summary, this work proposed an effective and generalized strategy for improving the FL efficiency of AuNCs, which would greatly facilitate their application in pollutant monitoring.
研究领域:
材料科学
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环境科学
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分析化学
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高影响因子
ELECTROANALYSIS
·
2023
·Vol. 36
·期 4
·e202300371
·
IF 3
Wenjing Liu,Sumin Xu,Jinjin Zhang,Qi Wang,Jianying Qu
In this work, manganese-based metal-organic frameworks (MnBDC) were synthesized by solvothermal method and physically mixed with pre-prepared graphene oxide (GO) to obtain GO/MnBDC, which were calcined to give MnO@C composite coated with reduced graphene oxide (rGO) marked as rGO/MnO@C. The materials were characterized by SEM, XRD, FTIR and XPS. Based on this composite, a novel sensor was constructed on a glassy carbon substrate, which exhibited good electrocatalytic activities to the redox reactions of catechol (CC) and hydroquinone (HQ), enabling simultaneous detection of both analytes. Under optimized conditions, the electrochemical sensor demonstrated a linear range of 0.50–90.00 μM for both CC and HQ detection, with respective detection limits of 0.05 μM and 0.03 μM. Moreover, the sensor exhibited excellent sensitivity, selectivity and accuracy for detecting CC and HQ simultaneous in real samples.
研究领域:
材料科学
·
分析化学
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MICROCHIMICA ACTA
·
2024
·Vol. 191
·期 4
·1-12
·
IF 5.3
Han Hong,Ji Yuhan,Zhao Xin,Yin Ling,Liu Xiangyi,Sha Jingquan
A colorimetric sensing method for salicylic acid (SA) was developed by designing and fabricating bimetallic oxide nanozymes. Firstly, by calcinating MIL-100(Fe)@PMo 12 (MOFs@POMs) at different temperature, Fe 2 (MoO 4 ) 3 -Ts (T = 400℃, 500℃, 600℃, 700℃) nanoparticles (NPs) were successfully prepared. Secondly, by evaluating the peroxidase-like activities, Fe 2 (MoO 4 ) 3 –600 NPs shows the best peroxidase-like activity attributed to the Fenton-like effect and the synergistic coupling interaction between Mo and Fe. Finally, based on the specific complexation between SA and Fe 3+ , a sensitive colorimetric sensor for SA was established, which exhibits superior selectivity and interference with a detection limit of 0.11 μM and a linear range of 10 to 100 μM, the lowest LOD for SA to date, to the best of our knowledge. Graphical abstract
研究领域:
材料科学
·
分析化学
·
生物医学
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高影响因子
JOURNAL OF CATALYSIS
·
2021
·
IF 7.92
Wei She,Jing Wang,Xuewei Li,Jingfang Li,Guijie Mao,Weizuo Li,Guangming Li
One-pot direct synthesis of imines via reductive amination of nitroarenes with aromatic aldehydes remains a great challenge due in part to its over-hydrogenation of imines to secondary amines. Herein, a novel Co 3 ZnC and ZnO supported on N-doped carbon nanosheet catalyst with the thickness of ca. 5.0 nm was fabricated through the direct pyrolysis of a Co/Zn bimetallic MOFs at 500 °C (named as Co 3 ZnC-ZnO/NC-500). Surprisingly, the developed Co 3 ZnC-ZnO/NC-500 catalyst delivers 99.9 % conversion of nitrobenzene and 98.5 % selectivity to N -benzylideneaniline in one-pot reductive amination of nitrobenzene with benzaldehyde. Various characterizations (including as SEM, XRD, TEM, AFM, XPS, Raman and N 2 adsorption–desorption) have revealed that the generated small size of Co 3 ZnC alloy, abundant structural defects, larger specific surface area (105.5 m 2 ·g −1 ) as well as more basic sites are responsible for the outstanding catalytic activity of Co 3 ZnC-ZnO/NC-500 catalyst for tandem reaction. Moreover, the Co 3 ZnC-ZnO/NC-500 catalyst exhibits high stability during the recycling experiments without the loss of its catalytic activity. Notably, the results of contrast experiments have demonstrated that the intentional introduction of ZnO in Co 3 ZnC-ZnO/NC-500 catalyst plays a key role in the selectivity to N -benzylideneaniline in the tandem reaction. This study provides a new guideline for designing tandem catalysts with high selectivity.
研究领域:
材料化学
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多相催化
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有机合成
·
纳米材料
·
金属有机框架（MOFs）
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高影响因子
危险品化学品经营许可证（带存储）