JOURNAL OF THE AMERICAN CERAMIC SOCIETY
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2026
·Vol. 109
·期 5
·e70833
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IF 4.2
Jia-Min Wu,Wei-Hao Cai,Lin Guo,Zhi-Cong Luo,Guan-Xiao Ran,Zhi-Xiang Cai,Xiao-Feng Zeng,Zhao-Qing Li,Jing-Xian Zhang,Yu-Sheng Shi
Vat photopolymerization (VPP) has recently been applied to fabricate silicon nitride (Si 3 N 4 ) ceramics. To overcome limitations in Si 3 N 4 slurry curing performance, a multi-functional modification strategy utilizing the metal-organic framework MIL-53(Al) was proposed. The introduction of MIL-53(Al) simultaneously affects slurry photocuring performance and ceramic microstructural regulation. MIL-53(Al) serves as a fluorescent active filler acting as an in situ photon source under ultraviolet irradiation, thereby enhancing the curing depth by an average of 17.5 µm. During the debinding process, the decomposition of MIL-53(Al) leaves a pore structure and aluminum oxide that can assist sintering, facilitating phase transformation and forming a well-interlocked β-Si 3 N 4 microstructure. The sintered Si 3 N 4 ceramic exhibited a flexural strength of 269.2 ± 12.6 MPa, and a fracture toughness of 3.54 ± 0.21 MPa·m 1/2 at a porosity of 23.9%. This study demonstrates the multi-functional role of MOF-based additives for both enhancing slurry printability and tailoring ceramic microstructure in fabrication of porous Si 3 N 4 ceramics via VPP.
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Surfaces and Interfaces
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2026
·
IF 6
Wuxiu Ding,Duo Sun,Lan Zhang,Hongyi Wang,Yang Zhao,Weiguo He,Zhigang Du,Yongyan Yan
Applying protective coatings to the surface of stone heritage is one of the most common methods for its preservation. To enhance the weathering resistance of the limestone heritages, MIL-53@FS, a hydrophobic metal-organic framework (MOF) composite, was prepared through fluorosilane modification of MIL-53-OH synthesized via a solvothermal method. Characterization analyses were conducted using SEM, XRD, TGA, and FTIR techniques. The results indicated that MIL-53@FS maintained its well-ordered framework structure and certain porosity, while forming a continuous and uniform hydrophobic coating, leading to a significant increase of water contact angle to 127.14° and enhanced thermal stability. It exhibited excellent corrosion resistance, anti-icing performance, and color compatibility in the application tests, holding a promising outlook for protecting limestone-based heritages.
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COLLOIDS AND SURFACES B-BIOINTERFACES
·
2024
·
IF 5.4
Le Wang,Mengyue Zhang,Manyu Zhang,Zhongke Sun,Zifu Ni,Yanli Yin,Dapeng Wu,Qipeng Yuan
The multifunctional composites Fe 3 O 4 /GO/NH 2 -MIL-53(Fe) with excellent adsorption-degradation performance was prepared for the removal of Aflatoxin B 1 (AFB 1 ). The adsorption function of Fe 3 O 4 /GO/NH 2 -MIL-53(Fe) was based on the large specific surface area and abundant adsorption sites. The degradation function of Fe 3 O 4 /GO/NH 2 -MIL-53(Fe) was based on the activation of H 2 O 2 by the catalytic active center formed by the coordination of metal ions and oxygen-containing groups in the system, resulting in hydroxyl radicals (·OH), superoxide anion radicals (O 2- ) and singlet oxygen ( 1 O 2 ). The adsorption of nanozyme accelerated the degradation reaction process, and the adsorption site was further exposed as the degradation process progressed. The synergistic effect realized the efficient removal of AFB 1 . Construction of Fe 3 O 4 /GO/NH 2 -MIL-53(Fe) as the carbon-doped iron-based nanozyme provided novel approaches of the removal for risks control of AFB 1 . Accompanied by the AFB 1 adsorption, the advanced oxidation of nanozyme to the AFB 1 degradation provided a promising way for the synergistic removal of AFB 1 .
研究领域:
食品安全
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生物化学
·
环境科学
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JOURNAL OF HAZARDOUS MATERIALS
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2021
·
IF 10.588
Siyu Sun,Youyou Hu,Mengshan Xu,Fan Cheng,Hui Zhang,Zhengkui Li
Metal-organic frameworks have been widely used as photocatalytic materials. In this paper, a novel photocatalyst HSO 3 -MIL-53(Fe) with acidity regulating groups was successfully synthesized by the solvothermal method and applied to remove carbamazepine (CBZ) and ibuprofen (IBP). The photodegradation efficiency of vis/H 2 O 2 /HSO 3 -MIL-53(Fe) can reach 100% when the pH value is 8 or 9. The free radical capture experiment and electron paramagnetic resonance analysis proved that hole (h + ), hydroxide radical ( · OH), singlet oxygen ( 1 O 2 ), and superoxide Radical ( · O 2 - ) are the main active species for pollutants degradation . In the vis/H 2 O 2 /HSO 3 -MIL-53(Fe) system, the high pollutant degradation efficiency under alkaline conditions was attributed to two factors: (1) the acidity adjusting group -HSO 3 adjusts the pH value of the whole system, which is beneficial to the photo-Fenton process. (2) The photogenerated electrons of HSO 3 -MIL-53(Fe) can be captured by Fe (III), H 2 O 2 and O 2 to accelerate the reduction of Fe (III) and generate · OH, 1 O 2 , and · O 2 - . Besides, H 2 O 2 can also be activated by Fe (II) and Fe (III). The above processes synergistically improved the photocatalytic efficiency. Based on liquid chromatography-mass spectrometry (LC-MS) analysis, the possible degradation pathways of the two pollutants were proposed.
研究领域:
环境科学
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化学
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材料科学
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药学
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OPTICAL MATERIALS
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2023
·
IF 3.9
Dedi Liu,Dapeng Dong,Zhenyi Zhang,Yangyang He,Zhenghua Li,Jinhai Niu,Naisen Yu,Hongsheng Jia
Encapsulating organic dyes within porous solids is an efficient way to design luminescent composite materials and devices. However, for practice applications, the luminescence tuning and the stability investigation of such materials is still a challenge work. Here, a comparative in situ Raman spectra and photoluminescence (PL) spectra are employed to study the structural and optical property of both pure Rhodamine B (RHB) and samples absorbed on a kind of typical materials of institute lavoisier frameworks (MIL) under high pressure, respectively. The luminescence of RHB@MIL 53(Fe) can persist to pressures much higher than that for pure RHB. Our studies revealed that the PL emissions of RHB origin from monomeric and dimeric structures, respectively. Furthermore, our results indicated that the confining effect of MIL 53(Fe) pores inhibited the dimerization of RHB molecules under high pressure.
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MATERIALS LETTERS
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2015
·
IF 2.489
Keke Sun,Ling Li,Jiangang Li,Zushun Xu,Li Liu
Magnetic composites Fe 3 O 4 @MIL-53/GO with different graphene oxide (GO) addition were prepared and characterized. It was found that GO had an effect on the structures of magnetic particles. Fe 3 O 4 @MIL-53/GO (5% GO) particles were spheres attached the surface of GO with the size about 200 nm, while Fe 3 O 4 @MIL-53/GO (10% GO) particles were spheres with the size about 500 nm. The adsorptions for protein onto different particles were compared. Fe 3 O 4 @MIL-53/GO (5% GO) was found to has more excellent adsorption capacity for protein than Fe 3 O 4 @MIL-53/GO (10% GO). It was concluded that the structure and adsorption for protein can be controlled through controlling the addition of GO.
研究领域:
材料科学
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生物医学工程
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Royal Society Open Science
·
2025
·Vol. 12
·期 11
·
IF 2.9
Omar Mirna,Omar Sarah,El-Subruiti Gehan M.,Attia Nour F.,Eltaweil Abdelazeem
With growing concerns over water pollution and depletion of freshwater resources, finding sustainable and cost-effective solutions for water treatment is crucial. This study introduces a novel MIL-53(Fe)/Mn-doped SrTiO3 (MIL-53(Fe)/Mn-STO) direct Z-scheme photocatalyst, designed to efficiently degrade organic contaminants in water. Specifically, the photocatalytic degradation of o-nitrophenol (ONP) was investigated under an Xe lamp. The MIL-53(Fe)/Mn-STO photocatalyst demonstrated a maximum removal efficiency of 97.75% within 90 min, with a rate constant (k) of 0.0374 min−1, outperforming the individual MIL-53(Fe) and Mn-STO photocatalysts. A comprehensive analysis of the material’s properties was conducted using Fourier transform Infrared spectroscopy, energy dispersive X-ray spectroscopy, scanning electron microscopy, diffuse reflectance spectroscopy and photoluminescence techniques, and the photocatalytic activity was evaluated under various conditions, including variations in pH, ONP concentration, catalyst dosage and the presence of inorganic anions. The improved photocatalytic activity of the MIL-53(Fe)/Mn-STO system can be ascribed to the synergistic interaction between its two components, which also contributed to its excellent recyclability over five cycles. These findings demonstrate that MIL-53(Fe)/Mn-STO is a highly effective and sustainable photocatalyst with a strong potential for wastewater treatment applications.
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SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
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2026
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IF 4.8
Haozhe Yang,Mo Yang,Fangrong Hu,Mingzhu Jiang,Longhui Zhang,Shangjun Lin,Ziheng Zhi,Wanting Zhu,Chenxi Liu,Lei Li
A MIL-53(Al)-functionalized terahertz metasurface sensor was developed for the room-temperature detection of styrene, a potential volatile biomarker associated with lung cancer. The sensor combines the localized electromagnetic field enhancement of the terahertz metasurface with the adsorption enrichment capability of MIL-53(Al). Benefiting from the flexible one-dimensional channels, the size-compatible pore environment of MIL-53(Al), and the possible π–π and host–guest interactions between styrene molecules and the terephthalate linkers, the functionalized metasurface exhibits an enhanced sensing response toward styrene. APTES was introduced as an interfacial coupling layer to improve the immobilization and dispersion of MIL-53(Al) nanocrystallites on the metasurface. SEM and FTIR characterizations confirmed the formation of a nanocrystallite-stacked MIL-53(Al) coating and the successful introduction of both APTES and MIL-53(Al) onto the sensor surface. The optimized sensor achieved a sensitivity of 0.37 GHz/ppm and a limit of detection of 1 ppm within the concentration range of 1–100 ppm. In addition, the sensor showed good selectivity against several interfering VOCs, as well as acceptable repeatability and stability. This work provides a feasible strategy for integrating flexible MOF adsorbents with terahertz metasurfaces, offering a potential platform for rapid, label-free, and room-temperature detection of trace aromatic VOCs.
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Journal of Environmental Chemical Engineering
·
2026
·Vol. 14
·期 2
·121220
·
IF 7.2
Mengjiao Yu,Xiong-Fei Zhang,Mengjie Li,Jianan Song,Jianfeng Yao
The valorization of cellulose into valuable platform chemicals necessitates efficient and sustainable catalytic systems, where the acid-base properties of catalysts are critical for directing reaction pathways. This work presents the one-pot synthesis of a series of aluminum-based metal-organic frameworks (MIL-53) with tunable acid-base functionalities, achieved by modulating organic linkers. The successful formation of cooperative acid-base sites was confirmed by comprehensive characterization, including X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and pyridine adsorbed infrared spectra. Catalytic performance evaluations demonstrated that acid-base cooperative sites significantly enhance the oriented conversion of cellulose to 5-hydroxymethylfurfural (5-HMF). Under optimal conditions (190 °C, 8 h) in a tetrahydrofuran (THF)/NaCl-H 2 O biphasic system, MIL-53-NH 2 /SO 3 H yielded 63.8 % 5-HMF, 6.3 % levulinic acid (LA), and 23.9 % formic acid (FA). The catalytic transformation of cellulose is a cascade process encompassing hydrolysis of cellulose to glucose, isomerization of glucose to fructose, dehydration to 5-HMF, and rehydration of 5-HMF to LA and FA. These results provide a promising strategy for designing efficient acid-base bifunctional catalysts for biomass conversion.
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ACS Applied Nano Materials
·
2024
·
IF 5.3
Wenjing Li,Weichen Wang,Mingyue Zhu,Peiao Cong,Daowei Gao,Rongyao Wang,Guozhu Chen
Metal oxides@metal–organic framework (MOFs)-based core/shell nanostructures demonstrate promising potential in catalytic hydrogenations. However, the direct nucleation and growth of MOFs on the topologically diverse surfaces of metal oxides face significant challenges due to the high interfacial energy resulting from topological mismatches. Herein, we present a facile in situ growth strategy for directly assembling an MIL-53(Al) layer on the surface of CeO2 nanospheres at low temperatures by mixing and stirring CeO2 nanospheres and MIL-53(Al) precursors without requiring sacrificial templates or additional surface modifications. Moreover, key factors such as reaction time, temperature, and the types of aluminum salts and ligands are systematically explored to comprehensively understand the nucleation behavior of MOFs shells. Notably, when active Pt nanoparticles are sandwiched between the CeO2 core and the MIL-53(Al) shell, the MIL-53(Al) effectively stabilizes the Pt nanoparticles and enhances the selectivity of hydrocinnamaldehyde in cinnamaldehyde hydrogenation. CeO2/Pt@MIL-53(Al) achieved more than twice the selectivity for HCAL compared to CeO2/Pt and even outperformed Pt/MIL-53(Al). Undoubtedly, this study provides distinctive insights into the nucleation and growth mechanisms of MOFs on metal oxides, expands the strategies for fabricating metal oxides@MOFs core/shell nanostructure, and proposes innovative ideas and possibilities for broadening the application domains of MOFs-based materials.
研究领域:
材料科学
·
催化化学
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Energies
·
2022
·Vol. 15
·期 16
·5851
·
IF 3.252
Yong Yao,Shizhu Li,Chuangting Chen,Dongchen Zheng,Zhichao Wu,Chi Yu,Shuying Pu,Fa-Qian Liu
MIL-53(Fe) was prepared and modified with benzoic acid to prepare MIL-53(Fe)-BA additive, which was used to improve the catalytic oxidation rate of sulfite, prevent the scaling of the desulfurization tower, and improve the desulfurization efficiency during the wet flue gas desulfurization (WFGD) process of power plants. MIL-53(Fe)-BA exhibits abundant Lewis acid sites because of the appearance of coordination unsaturated Fe atoms. Due to the excellent sorption capacity, Ca(OH)2was used as the main SO2desulfurizer. The composite desulfurizers were prepared by mixing MIL-53(Fe)-based additives and Ca(OH)2, and were characterized by SEM, XRD, and FT-IR. A desulfurization unit was set up at laboratory scale to study the effect of catalytic oxidation additives on sulfite oxidation and desulfurization efficiency. The results showed that the addition of MIL-53(Fe)-BA can increase the oxidation capacity of sulfite by 159%, and greatly improve the desulfurization efficiency. These composite desulfurizers broaden the adaptability of the desulfurizing system to high-sulfur coals, and provide support for improving the desulfurizing efficiency of power plants.Keywords:catalytic oxidation;oxidative desulfurization;wet flue gas desulfurization;calcium hydroxide;MIL-53(Fe);Lewis acid sites
研究领域:
环境科学
·
材料科学
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TALANTA
·
2025
·
IF 6.1
Luyang Zhao,Yang Song,Guoyang Xie,Hengyi Xu
A colorimetric assay based on the Fe/Al bimetallic organic framework NH 2 -MIL-53(Fe, Al) was developed for the sensitive detection of Escherichia coli O157:H7 ( E. coli O157:H7), a critical pathogen threatening food safety. The framework’s high specific surface area facilitated efficient antibody immobilization, whereas the incorporation of Al 3+ enhanced electron transfer between Fe 2+ /Fe 3+ , thereby significantly boosting peroxidase activity. The optimized NH 2 -MIL-53(Fe, Al) exhibited 1.4-fold and 4.9-fold higher relative absorbance than NH 2 -MIL-53(Fe) and NH 2 -MIL-53(Al), respectively. And it demonstrated 40-fold and 2-fold greater affinity for TMB and H 2 O 2 , respectively, compared to the natural enzyme. By integrating a dual-recognition system based on antibody and aptamer, the method enabled rapid detection with a limit of detection of 10 1 CFU/mL in colorimetric mode. Its successful application in complex matrices, including lettuce, juice, pool water, and chocolate milk, had yielded satisfactory recovery and precision, confirming its promising potential for food safety monitoring.
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