MICROCHEMICAL JOURNAL
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2026
·
IF 5.1
Zhiguang Yang,Zexiang Liu,Ke He,Qianqian Chen,Chenxue Yao,Qiaohuan Cheng,Huiqiang Li,Renjie Wang,Zhiwei Zhao,Xiaochen Li
Given that dopamine (DA) is an essential neurotransmitter for regulating physiological functions, the accurate detection of its concentration is critical for diagnosing neurological disorders. With their tunable pore structures and ultrahigh specific surface area, MOFs are an ideal candidate for electrochemical DA sensing. However, their inherent poor electrical conductivity and insufficient structural stability remain the major bottlenecks hindering practical application. In this study, a two-dimensional hollow leaf-structured ZIF-PDA-Fe composite was successfully constructed through a synergistic strategy of polydopamine (PDA) modification and iron (Fe) doping. Subsequently, a short (10 min) dielectric barrier discharge (DBD) plasma treatment was applied to enhance its electrochemical DA sensing performance. Characterizations revealed that the DBD-treated ZIF-PDA-Fe-10 not only retained the original crystalline and morphological structure but also exhibited a significant increase in the content of surface Fe O and Zn O functional groups. Notably, a 55.7% reduction in charge transfer resistance (Rct) was achieved, indicating a marked acceleration of electron transfer kinetics. The preserved hollow porous framework, combined with the functionally modified surface, further facilitated DA mass transport-collectively contributing to a synergistic enhancement of the electrochemical response. The resulting sensor demonstrated a wide linear detection range for DA (1–400 μM) with a low detection limit of 0.93 μM. It also showed excellent selectivity against interfering substances (ascorbic acid and uric acid) and maintained 80% signal stability over 100 continuous cycles, outperforming conventional pyrolysis-derived counterparts. This work thus provides a novel strategy for the surface engineering of MOF-based electrochemical sensors.
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APPLIED SURFACE SCIENCE
·
2026
·
IF 6.9
Cong Liu,Tong Lu,Bo Cheng,Rong Chen,Yong Huang,Hao Yang
This study presents the development of a durable, superhydrophobic composite cotton fabric with enhanced photothermal antibacterial properties. Graphene oxide (GO) was first deposited onto cotton fabric to create an anchoring layer, followed by the in-situ growth of ZIF-67 nanoparticles. The fabric was further modified with polydimethylsiloxane (PDMS) to impart a low-surface-energy coating, enhancing both hydrophobicity and stability. GO not only significantly enhanced photothermal conversion efficiency, but also improved the dispersivity and adhesion of the nanoparticles. The resultant GO/ZIF-67/PDMS composite fabric exhibited excellent photothermal performance, reaching 103.2°C within one minute under near-infrared (NIR) irradiation (0.6 W/cm 2 ). The antibacterial activity of the composite was evaluated against Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli . Under NIR irradiation for 5 min, the survival rates of E. coli and S. aureus were reduced to 0.01% and 9.35%, respectively. Moreover, the fabric maintained both photothermal and hydrophobic properties even after 10 washing cycles in sodium dodecyl sulfate (SDS) solution or 100 abrasion cycles, demonstrating outstanding durability. These results highlight the potential of GO/ZIF-67/PDMS composite fabric in antibacterial textile with self-cleaning property, particularly in the photothermal antibacterial application.
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JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
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2026
·
IF 7.1
Maoxuan Zhi,Mengxin Li,Deqing Shi,Xinliang Liu,Ming Wang,Yingfei Hou
The release of textile dyeing wastewater results in significant environmental pollution and endangers human health. Membrane separation technology offers distinct advantages in textile wastewater treatment due to its energy efficiency, high performance, and excellent separation capabilities. This study demonstrates a facile MOF-polymer hybrid membrane fabrication strategy through amine-enhanced interfacial coordination. The introduced –NH 2 groups via Noria and polyethyleneimine (PEI) co-deposition would chelate metal ions, which enhances the heterogeneous nucleation and the compatibility of metal–organic framework (MOF) and polymer. The optimized membrane exhibits superior dye sieving performance, achieving Congo red rejection of 98.9% and water permeance of 23.2 L m -2 h −1 bar −1 . Microstructural analysis reveals dense intergrown zeolitic imidazolate framework-8 (ZIF-8) architectures, validating the co-deposition approach as an effective surface engineering protocol for constructing continuous MOF-polymer hybrid membranes with defect-free interfaces. The membrane also shows superior operational stability at different pH levels and during long-term operation, which shows great potential for practical application.
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APPLIED SURFACE SCIENCE
·
2026
·
IF 6.6
Rui Hu,Chenghao Yu,Xian Luo
Ice accretion poses a severe threat to transportation, power transmission, and aerospace industries under low-temperature and high-humidity conditions. Although superhydrophobic surfaces can delay ice formation, their micro/nanostructures tend to induce heterogeneous nucleation and easily lose anti-icing ability under extreme conditions. Slippery liquid-infused porous surfaces (SLIPS) significantly reduce ice adhesion and suppress heterogeneous nucleation by introducing a lubricating layer, demonstrating superior anti-/de-icing potential. However, conventional SLIPS suffer from lubricant depletion and insufficient oil-locking capacity, and single-function SLIPS cannot meet the demand of intelligent anti-icing. Herein, we report a novel photothermal SLIPS (FZPC/SiO 2 -SO) with unique in-situ ZIF-67 growth on carbon fibers (CF) via polydopamine (PDA) assistance and fluorosilane coordination grafting, which constructs hierarchical porous architecture with dual oil-storage reservoirs for synergistic anti-icing and de-icing. The wettability, oil-storage capacity, passive anti-icing and active de-icing performances were systematically investigated. Results reveal that the coating achieves optimal comprehensive performance at a FZPC:SiO 2 mass ratio of 1:1 with 60 wt% SO infusion, exhibiting an ultralow ice adhesion strength of 15.8 kPa, prolonged freezing delay of 593 s, and maintained low ice adhesion (≤24.4 kPa) after 30 de-icing cycles, showing superior oil retention and durability compared with traditional CF-based SLIPS. Photothermal tests demonstrate rapid surface heating to 67 °C within 2 min under 1 sun irradiation, enabling prompt ice melting (within 48 s). This in-situ MOF-modified photothermal SLIPS breaks through the bottlenecks of lubricant loss and single function in conventional SLIPS, providing a novel strategy for developing highly stable and multifunctional integrated lubricant anti-icing coatings.
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JOURNAL OF APPLIED POLYMER SCIENCE
·
2026
·Vol. 143
·期 27
·e70833
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IF 3.1
Guangqin Fu,Dejun Chen,Mengqi Zhao,Cheng Zeng,Yunchi Yang,Yinnian Liao,Xindong Li
Polydimethylsiloxane (PDMS) sponges exhibit low oil adsorption capacity due to their monolithic pore structure and limited surface area. Here, we present SDS-ZIF-67/PDMS composite sponges that overcome these limitations. ZIF-67 particles are incorporated into the PDMS matrix via a soft-templating approach, creating a submicron hierarchical pore structure and increasing the number of accessible adsorption sites. Surface functionalization with sodium dodecyl sulfate (SDS) introduces long alkyl chains, modulating surface chemistry and enhancing selective affinity for oil molecules. The composite sponge exhibits a water contact angle of 135°, reaches adsorption equilibrium within 6 min, and achieves 96% separation efficiency for various oils and oil–water mixtures. After 15 adsorption–desorption cycles, 87% of the initial adsorption capacity is retained, demonstrating exceptional cyclic stability. These findings underscore the potential of SDS-ZIF-67/PDMS composite sponges for efficient treatment of oily wastewater.
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ACS Applied Materials & Interfaces
·
2026
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IF 7.8
Zhiqian Yao,Hao Zheng,Yuxin Liu,Yong Zhang,Mengyuan Tian,Xueru Zhang,Jiewu Cui,Yan Wang,Jiaqin Liu,Yucheng Wu
The development of high-performance, easily tunable, and multifunctional electromagnetic materials remains a challenge in the field of microwave absorption. To address key issues such as impedance mismatch and insufficient loss capacity in absorbers, this paper proposes a dual-strategy approach based on solvent-mediated competitive coordination and reaction-driven modulation for the design and preparation, a tunable Zeolitic Imidazolate Framework-67 (ZIF-67) shell was successfully constructed on the surface of flake carbonyl iron (FCI). FCI@ZIF-67-d achieves an effective absorption bandwidth (EAB) of 8.37 GHz at 1.59 mm, while FCI@ZIF-67-s exhibits a minimum reflection loss (RLmin) of −54.00 dB at 4.48 GHz. In addition, the combination of first-principles (DFT) and electromagnetic finite element simulation techniques with experimental results has further elucidated the loss mechanism of FCI@ZIF-67. When the shell transitions from a three-dimensional (3D) dodecahedral structure to a two-dimensional (2D) nanosheet, the nanosheet shell effectively releases the π–π* bonds constrained within the 3D framework, significantly enhancing the conduction and dielectric polarization capabilities of the material. This enhancement effect strongly couples with the magnetic loss provided by the FCI core, synergistically optimizing impedance matching and attenuation mechanisms in the low-frequency range. This research provides a clear physical framework for understanding microwave absorption through dimensional control and introduces a low-temperature, frequency-customizable design strategy for advanced absorbers.
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PubMed
高影响因子
JOURNAL OF MEMBRANE SCIENCE
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2026
·
IF 8.8
Ping Shi,Xinghao Liu,Jian Qiu,Jian Lu,Wenbo Jiang,Weihu Zhang,Xingjian Sun,Mengying Ou,Jianfa Zhao,Yu Guo,Quanyu Zhao,Yuan Bai,Wenheng Jing
Microalgal carbon sequestration offers a promising pathway for CO 2 mitigation, yet its efficiency is largely constrained by inherently low gas-liquid mass transfer. Herein, we report an interfacial engineering strategy to construct a ZIF-8/MXene composite membrane via pressure-assisted filtration. The membrane features unique hydrophilic–hydrophobic channels, wherein hydrophilic MXene nanosheets and hydrophobic ZIF-8 nanosheets act synergistically to effectively decouple bubble refinement from mass transfer resistance. This structural design enables the stable generation of monodisperse CO 2 nanobubbles with a mode diameter of 118.2 nm and the concentration of 1.62 × 10 9 particles mL −1 . The potential electrostatic adsorption facilitated by natural divalent cations in the BG-11 medium significantly shortens the mass transfer distance. Consequently, this promotes the formation of a localized CO 2 pseudo supersaturated microenvironment around the microalgae. This localized CO 2 enrichment potentially downregulates the carbon-concentrating mechanism, suggesting a strategic reallocation of cellular energy toward accelerated biomass accumulation. Consequently, the integrated system achieves an unprecedented biomass productivity of 0.76 g L −1 , offering an innovative material-biological paradigm for light-driven carbon capture and utilization.
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Batteries-Basel
·
2023
·Vol. 9
·期 3
·166
·
IF 4
Ting Liu,Xuemei Hu,Yadong Zhang,Ting He,Jianping Zhou,Junqiang Qiao
Lithium metal battery (LMB) is a topic receiving growing attention due to the high theoretical capacity, while its practical application is seriously hindered by the lithium dendrites issue. As the physical barrier between two electrodes, the separator can achieve dendrite suppression by means of providing higher mechanical strength, regulating ion transport and facilitating homogeneous lithium deposition. Based on this, a composite separator is fabricated with zeolitic imidazolate framework (ZIF-8) and polyacrylonitrile (PAN) via electrospinning techniques, and its physical properties and electrochemical performances, together with its dendrite suppression mechanism, are investigated. The ZIF8-PAN separator possesses a unique 3D interconnected porous skeleton, displaying higher electrolyte uptake, preferable electrolyte wettability, and lower thermal shrinkage compared with the commercial polypropylene separator. In addition, a battery assembled with the ZIF8-PAN separator can effectively regulate ion transport and suppress dendrites growth, which exhibits an enhanced ionic conductivity (1.176 mS/cm), an increased lithium-ion transference number (0.306), a wider electrochemical stability window (5.04 V), and superior cycling stability (over 600 h with voltage hysteresis of 30 mV). This work offers a promising strategy to realize safe separator for dendrite suppression in LMB.Keywords:composite separator;electrospinning techniques;electrolyte wettability;ion-transport regulation;lithium dendrites suppression
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Journal of Environmental Chemical Engineering
·
2023
·
IF 7.7
Wenjun Zhu,Shuai Zhang,Xiaohua Zuo,Xin Li,Xiangyi Deng,Guanghui Wang,Deng Ding,Chunlei Wang,JunTao Yan,Xiaobo Wang
The magnetic CuFeO 2 anchored on nitrogen-doped porous carbon (CuFeO 2 /NC) hybrid catalysts were further synthesized via hydrothermal reaction without the addition of a chemical reductant. The systematic CuFeO 2 /NC with larger specific surface areas (SSAs) and abundant active sites exhibited strong adsorption ability and great catalytic performance towards activating peroxymonosulfate (PMS) for sulfamethoxazole (SMX) removal. It was noted that 18 mg/L SMX was completely removed after 40 min of pre-adsorption and 30 min of oxidative degradation in CuFeO 2 /NC and PMS system. The degradation rate constant ( k ) was calculated by fitting as 0.166 min −1 , being about 7.9 times that in the CuFeO 2 and PMS system (0.021 min −1 ). The SO 4 · - ,·OH, and 1 O 2 as the dominant reactive oxygen species (ROSs) contributed to sulfamethoxazole degradation. The N species, active oxygen and the redox cycles of Cu(Ⅱ)/Cu(Ⅰ) and Fe(Ⅲ)/Fe(Ⅱ) were confirmed to play a vital role in the activation of PMS for the generation of ROSs. Based on the LC-MS analysis, the possible degradation routes of SMX in the PMS activation system by CuFeO 2 /NC were proposed.
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JOURNAL OF MOLECULAR STRUCTURE
·
2023
·
IF 3.8
Xinning Yu,Dejun Xu,Xintong Jiang,Jun Zhang,Zhangsong Ni,Mao Wang
The development of photocatalysts with broad-spectrum response and efficient electron transfer yet remains a great challenge. Herein, we report a systematic research on the thermal oxidation mechanism of ZIF-8 and its promotion effects on photocatalytic performance. The activation energy E of organic ligands decomposition during ZIF-8 thermal oxidation was calculated to be 103.7 kJ/mol by Kissinger-Akahira-Sunose (KAS) model. The wurtzite ZnO crystal and oxidizing functional groups (H N C O, C O, etc.) formed in oxidized ZIF-8 were crucial to the superior photocatalytic performance. In particular, O350/ZIF-8 had the broadest optical absorption band (∼750 nm) and largest photocurrent density, which exhibited the highest photocatalytic activity of methylene blue (MB) with rate constant k of 0.0374 min −1 . The photogenerated ·O 2 − and ·OH radicals were found to react as main oxygen species in photocatalytic reaction. Taken together, this study not only offered a simple method to prepare ZIF-8 based photocatalyst with high activity and stability, but also provided guidance for the efficient photocatalytic degradation of organic compounds in wastewater.
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PROGRESS IN ORGANIC COATINGS
·
2023
·
IF 6.6
Shuai Zhang,Kuanjun Fang,Xiuming Liu,Meilin Cheng,Dongdong Liu,Xiran Qiao,Jinkun Wang
The construction of multifunctional colored cotton fabrics still faces significant challenges that dramatically limit the application of dyed fabrics in multiple fields. This report presented a simple and effective method for creating multifunctional colored cotton fabrics with hydrophobic, UV-resistant, and antibacterial properties. This was achieved by applying Metal-organic frameworks (MOF)/composite colored nanospheres and polymethylhydrosiloxane (PMHS) via a spray-on process. Firstly, ZIF-8/disperse dye nanospheres (ZIF-8@DPAN) with uniform diameter and dispersion stability were synthesized, which could effectively prevent the leakage of dispersed dyes. The ZIF-8@DPAN had excellent color properties, enabling direct spray and bonding to cotton fabrics by electrostatic gravitational force. The colored cotton fabric that was obtained exhibited outstanding performance, boasting a hydrophobic angle of 142°, a UPF value exceeding 400, and an antibacterial rate of over 94 %. Furthermore, the colored cotton fabric boasts remarkable durability against washing and rubbing, ensuring its longevity and resistance to wear and tear. Therefore, the synergistic effect of functionalized colored nanoparticles ZIF-8@DPAN and PMHS offers a facile and feasible method for fabricating of multifunctional dyed textiles.
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Materials Today Physics
·
2023
·
IF 11.5
Yanqin Wang,Yunlong Yang,Miao Miao,Xin Feng
Highly efficient electromagnetic wave (EMW) absorption materials with excellent thermal management are urgently required to solve the problem of electromagnetic pollution . Herein, bead-curtain-like carbon nanotube arrays@cobalt (CNT As@Co) hybrids are designed to enhance the EMW absorption performance by using CNT As templates. After the in-situ growth of ZIF-67, CNT As@Co hybrids are successively fabricated by thermal pyrolysis of CNT As@ZIF-67 at high annealing temperature. Owing to the unique three-dimensional (3D) bead-curtain-like microstructures, the CNT As@Co hybrid pyrolyzed at 500 °C (CNT As@Co-500) with an ultra-low filler loading of 2 wt% exhibits optimal EMW absorption properties . The minimum reflection loss (RL min ) is −36.86 dB at a thickness of 5.5 mm, and the effective absorption bandwidth (RL < −10 dB) reaches as broad as 5.78 GHz with a thickness of 2.5 mm. In addition, CNT As@Co hybrids possess superior thermal conductivity (9.25 W m −1 K −1 ) among most similar CNT-based composites, which is conducive to the rapid dissipation of thermal energy converted from electromagnetic energy . This work provides a new paradigm for designing high-performance 3D EMW absorbers with multifunctionality in electronic devices.
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