INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
·
2025
·
IF 3.9
Cailin Yang,Qiuyu Mei,Haipu Li,Zhian Wang,Hua Wan,Kai Han
We developed electrospun MXene/PAN nanofiber membranes (EMPs) for efficient photothermal interfacial evaporation (PIE) in radioactive wastewater treatment. Ti3C2Tx nanosheets were uniformly intercalated into the PAN matrix during electrospinning, improving membrane stability and durability. We used the CIE Lab color space to analyze the relationship between membrane color and solar absorption, and the EMP membrane showed a strong average light absorption of 92.7%. A two-dimensional (2D) water transport structure was employed to improve water supply during evaporation. As a result, the EMP evaporator reached a high evaporation rate of 1.96 kg·m–2·h–1 and a photothermal conversion efficiency of 91.34%. The membranes also exhibited excellent nuclide rejection of I–, Cs+, Sr2+, and Co2+ and showed a self-cleaning effect as surface salts redissolved during dark periods. This work highlights the potential of combining material design and water management for solar-driven radioactive wastewater purification.
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COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2025
·
IF 5.4
Miao Yuan,Saidan Wang,Hongxia Du,Yating Sui,Xiangjing Zhang,Song Zhao,Qiushi Li,Shaojie Liu,Xuteng Xing,Erjun Tang
Two-dimensional Ti 3 C 2 T x MXene, with a large specific surface area, high chemical stability and excellent barrier properties, has become a promising of anti-corrosion filler in organic coatings. However, the poor dispersion and compatibility in organic coatings restrict its efficient application. To this end, L-histidine (L-His) corrosion inhibitor was grafted on the 3-aminopropyl triethoxysilane (APTES) functionalized Ti 3 C 2 T x MXene surface, under the electrostatic attraction between the carboxylate and protonated aminopropyl groups. The obtained APTES-Ti 3 C 2 T x MXene@L-His cannot only accelerate the dispersion of Ti 3 C 2 T x MXene filler, but also greatly promote the anti-corrosion property and service lifetime of coatings through combining the physical shielding effect of MXene laminate structure with active anti-corrosion function of L-His corrosion inhibitor. Results show that amino-functionalized Ti 3 C 2 T x MXene can maintain homogeneous in epoxy resin for 300 h, enhancing its dispersion in epoxy coating. Moreover, APTES-Ti 3 C 2 T x MXene@L-His composite can achieve the continuous release of L-His for 3000 min, and additional acid-base dual response property, the releasing rate of L-His is significantly accelerated in acidic or alkaline solutions. The total loading amount of L-His in APTES-Ti 3 C 2 T x MXene@L-His composite is about 3 %. Furthermore, the practical composite coating containing APTES-Ti 3 C 2 T x MXene@L-His also exhibits the excellent anti-corrosion and certain self-healing properties, such as its |Z 0.01 Hz| value remains above 10 10 Ω·cm 2 during the 40 d immersing in 3.5 NaCl solution, which is 3 orders of magnitude higher than that of pure epoxy coating. This work extends the great significance for Ti 3 C 2 T x MXene based composite coatings application of in the field of anti-corrosion.
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ACS Applied Materials & Interfaces
·
2025
·
IF 8.2
Li Xu,Sai Zhao,Peizhu Jiang,Zhiming Deng,Zijie Gao,Peng Min,Fuxin Liang,Zhong-Zhen Yu,Hao-Bin Zhang
Two-dimensional transition metal carbide/nitride (MXene)-based conductive inks are promising in the scalable production of printed electronics and wearable devices. Nevertheless, to realize desirable rheological properties of MXene-based inks and the multifunction of the resulting printed devices is still challenging. Herein, MXene inks with tunable rheological properties were developed by inducing carboxylated cellulose nanofibers (C–CNFs) modifier. The versatile rheological properties of MXene inks facilitate the preparation of MXene gratings by direct ink writing (DIW) and multifunctional devices integrated with electromagnetic interference (EMI) shielding, Joule heaters, and humidity sensors. The highest average EMI shielding effectiveness (SE) is 33.0 dB, with specific EMI SE up to 137481.5 dB cm2 g–1. Meanwhile, when functioning as a Joule heater, a low-voltage drive and excellent cyclic and long-term stability can be observed. In addition, the humidity-sensing function integrated with wireless transmission shows a maximum response value of 2768%. The MXene gratings fabricated by DIW are multifunctional and can be applied to the next generation of wearable devices.
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高影响因子
CERAMICS INTERNATIONAL
·
2025
·
IF 5.6
Haonan Zhao,Cuilian Wen,Lijin Luo,Jiamin Qian,Xi Lin,Yang Xu,Zhongzhi Tang,Xinyi Wang,Rongtao Zheng,Baisheng Sa
The integration of osteogenic and antibacterial properties into biomaterials is crucial for addressing infected bone defects. Mesoporous bioactive glass (MBG) is widely recognized for its bioactivity and tunable porous structure, making it a promising candidate for bone repair. However, conventional MBG lacks inherent antibacterial properties, limiting its application in postoperative infection management. In this study, we have successfully developed Ti 3 C 2 T x MXene modified MBG (Ti 3 C 2 T x /MBG) nanocomposites with osteogenic and antibacterial properties. The results reveal that the incorporation of Ti 3 C 2 T x MXene significantly enhances the mineralization capability, as evidenced by accelerated hydroxyapatite formation in simulated body fluid within 7 days compared to pure MBG. Notably, the nanocomposite exhibits no cytotoxicity toward MC3T3-E1 cells and markedly upregulates key osteogenic genes, including Alp, Runx2, Col1a1, Opn, and Ocn . Moreover, Ti 3 C 2 T x /MBG nanocomposite displays remarkable photothermal antibacterial efficacy, achieving 99.6% inhibition of Staphylococcus aureus under near-infrared irradiation. This study proposes a versatile strategy to synthesize multifunctional MXene/MBG nanocomposites with enhanced apatite mineralization, osteogenic gene expression, and antibacterial activity, demonstrating great potential for bone tissue engineering and other biomedical applications.
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Small
·
2025
·
IF 12.1
Jiale Niu,Zhenqiang Ye,Junyang Deng,Mingdong Zhang,Guangming Chen
Organic thermoelectric (TE) materials incorporating carbon nanotubes (CNTs) attract substantial research interest due to their flexibility, cost-effectiveness, and processability, showing significant promise for wearable TE devices. However, their practical applications are greatly limited by the low Seebeck coefficient ( S ) and high thermal conductivity ( κ ). To overcome these challenges, in this study, black phosphorus@MXene heterojunctions are rationally engineered into CNT matrix, creating TE composite film. This unique “2D heterojunction-3D network” architecture leverages synergistic energy filtering and interfacial phonon scattering to achieve decoupled optimization of electrical conductivity ( σ ), S and κ . Consequently, the composite film attains a high power factor of 521.4 ± 7.7 µW m −1 K −2 at room temperature with a significantly suppressed κ , yielding a figure of merit of 0.0211. These metrics represent a substantial enhancement over pristine CNTs. Furthermore, the film exhibits excellent flexibility and structural stability, contributing to a flexible TE generator prototype with a high power density of 584 µW cm −2 under a temperature gradient of 60 K. This work provides a viable pathway for high-performance, flexible TE materials in self-powered wearable electronics for health monitoring and thermal management.
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JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2024
·
IF 9.4
Hongwei Zhang,Jiazhe Cheng,Kaiyu Liu,Shou-xiang Jiang,Jichao Zhang,Qian Wang,Chuntao Lan,Hao Jia,Zhaoling Li
The challenge of achieving high-performance electromagnetic interference (EMI) shielding films, which focuses on electromagnetic waves absorption while maintaining thin thickness, is a crucial endeavor in contemporary electronic device advancement. In this study, we have successfully engineered hybrid films based on MXene nanosheets and Fe 3 O 4 nanoparticles, featuring intricate electric–magnetic dual-gradient structures. Through the collaborative influence of a unique dual-gradient structure equipped with transition and reflection layers, these hybrid films demonstrate favorable impedance matching, abundant loss mechanisms (Ohmic loss, interfacial polarization and magnetic loss), and an “absorb-reflect-reabsorb” process to achieve absorption-dominated EMI shielding capability. Compared with the single conductive gradient structure, the dual-gradient structure effectively enhances the absorption intensity per unit thickness, and thus reduces the thickness of the film. The optimized film demonstrates a remarkable EMI shielding effectiveness (SE) of 49.98 dB alongside an enhanced absorption coefficient (A) of 0.51 with a thickness of only 180 μm. The thin films with a dual-gradient structure hold promise for crafting absorption-dominated electromagnetic shielding materials, highlighting the potential for advanced electromagnetic protection solutions.
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JOURNAL OF MATERIALS SCIENCE
·
2025
·
IF 3.9
Hao Siyu,Zhu Qingsong,Peng Xingna,Fan Jiayi,He Zimeng,Li Wei
Given the rapid advancements in digital and communication technology, electromagnetic wave pollution has emerged as a pressing concern for society. In addition, wave-absorbing materials are typically utilized in complex and dynamic environments, where they are susceptible to corrosion, which can result in a reduction in their effectiveness. Herein we synthesized a polypyrrole functionalized Ti 3 C 2 MXene (PPy-TM) hybrid with significant electromagnetic wave absorption and superior corrosion resistance by in situ polymerization method, which due to the in situ polymerization process of PPy on TM's surface causes the smoothness of TM's surface to turn coarse. The composite exhibited an optimal reflection loss of − 35.5 dB at 3.60 GHz for a 7.50 mm thickness. Additionally, the value of |Z| 0.01 Hz for PPy-TM 0.5% (5.1218 × 10 4 Ω cm 2 ) was an order of magnitude higher than the WEP (7.9778 × 10 3 Ω cm 2 ) coating after 30 days of exposure to 3.5 wt% NaCl electrolyte. This study establishes a benchmark for designing next-generation materials that integrate robust microwave absorption with long-term corrosion protection.
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APPLIED SURFACE SCIENCE
·
2025
·
IF 6.9
Binkai Yuan,Guibin Tan,Gengzhe Shen,Liuyan Zhang,Xinyu Tian,Yang Yang,Suye Li,Yidong Huang,Xingyu Zhu,Zeyi Guan,Fujian Guo,Yanmei Zhang
To overcome waterborne epoxy coating’s limitations (poor long-term corrosion resistance, insufficient self-healing, microdefect-induced penetration), this study developed a high-performance smart anti-corrosion coating modified with MXene-Ni@C-ODD composite filler and regulated by magnetic field. The filler was facilely prepared via pyrolysis of MXene-Ni-MOFs (Ti 3 C 2 T x −Ni 3 HHTP 2 ) and subsequent loading of ODD(1-(2-Aminoethyl)-2-heptadecenyl-2-imidazoline, diethylsulfate salt). Electrochemical tests in 3.5 wt% NaCl showed the magnetically regulated (MMO) coating exhibited optimal performance, outperforming Blank, ODD, and MO coatings: after 60-day immersion, its achieved a charge transfer resistance ( R ct ) of 1.02 × 10 10 Ω·cm 2 (7.2 times that of the Blank coating; corrosion current density ( i corr ) of 1.78 × 10 −13 A·cm −2 (1/2.6 of that of the Blank coating) and corrosion potential ( E corr ) of −0.1791 V. MXene-Ni@C’s mesoporous structure (specific surface area: 147.812 m 2 /g) mitigates ODD-induced epoxy curing interference and enables responsive ODD release, while its ferromagnetism (saturation magnetization: 10.59 emu/g) allows magnetic field-driven parallel filler alignment. Scratch tests confirmed self-healing ability via ODD release triggered by exposed metal substrate’s electronegativity. This “magnetically enhanced physical barrier + ODD self-healing” synergy support for high-performance smart anti-corrosion coatings.
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Materials Science and Engineering B-Advanced Functional Solid-State Materials
·
2025
·
IF 4.6
Wenjuan Zhang,Qiaohong Zhang,Xiangyue Yang,Mengyu Ran,Yezhi Ding,Peiqing La
Conventional homogeneous catalysts for photo-Fenton reactions suffer from inherent drawbacks, including difficult recovery, poor stability, and rate-limiting steps, which significantly restrict their practical application. To overcome these challenges, a novel photo-Fenton catalytic support, MXene–porous polydopamine (MPP), was fabricated via an interfacial co-assembly strategy. Subsequently, nano zero-valent iron (Fe) was anchored onto the MPP framework to construct a magnetic MXene–porous polydopamine (Fe/MPP) catalyst. The unique multi-interfacial porous structure of Fe/MPP facilitates efficient mass and electron transport, while the synergistic effects of Fe redox cycling and phenol–quinone conversion under light irradiation enhance the Fe 3+ /Fe 2+ regeneration process. As a result, Fe/MPP achieved outstanding photo-Fenton degradation performance, removing 99.89 % of methylene blue (MB, 4 g/L) within 30 min, surpassing most previously reported homogeneous catalysts. Moreover, Fe/MPP exhibits excellent reusability, maintaining over 53 % degradation efficiency after ten consecutive cycles. These results demonstrate that Fe/MPP exhibits high photo-Fenton activity and cycling stability, showing promising potential for practical wastewater treatment applications.
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ACS Applied Electronic Materials
·
2025
·
IF 4.7
Xincheng Wang,Yingxin Yuan,Jinhao Xu,Zhen Li,Tianyi Xu,Penglin Lu,Shanshan Guan
Multifunctional flexible sensing technology has emerged as a pivotal research hotspot. However, most existing flexible sensors are constrained by single-functionality limitations and thus fail to meet the increasingly urgent demand for integrated multiparameter sensing in complex real-world scenarios. In this study, we propose a multifunctional flexible sensor based on an rGO@MXene/PDMS nanocomposite, which integrates three functionalities: high gauge factor (GF) strain sensing, precise resistive temperature sensing, and efficient photothermal conversion. These capabilities enable reliable monitoring of physiological signals, health monitoring, and localized thermal therapy. The as-fabricated flexible strain sensor exhibits exceptional performance, exhibiting a low detection limit of 0.5%, high gauge factor (GF) of 1000, broad dynamic range of 0%–400%, and excellent cycling stability over 20,000 cycles. Notably, the sensor achieves a temperature coefficient of resistance (TCR) of −1.01% °C–1, enabling sustained real-time physiological temperature monitoring for up to 1800 min. Furthermore, the sensor exhibits efficient photothermal conversion capability, achieving a rapid temperature rise (ΔT > 40 °C under 1 kW m–2) and stable heat retention, making it highly promising for localized thermal therapy. This work provides great potential to advance the development of next-generation wearable devices, smart healthcare systems, and human–machine interaction technologies.
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JOURNAL OF ADHESION
·
2025
·
IF 2.3
Shanglin Xiang,Jingjin Cai,Peng Wang,Bingjie Ge,Jun Zhang,Dongyu Cai
Degradation of polyurethane (PU) adhesives is critical for enabling the recycling of aluminum-plastic (A-P) laminate films for flexible packaging. This work develops a novel MXene-enhanced ternary heterojunction that achieves non-contact sunlight-driven degradation of encapsulated PU adhesives. Synthesized through electrostatic self-assembly of carbon nanotubes (CNTs) and 2D titania carbide (Ti3C2Tx-MXene) followed by in-situ thermal polymerization of porous carbon nitride (g-C3N4), the catalyst leverages sunlight penetration through transparent packgng layers to selectively target interfacial adhesives. Crucially, the existence of Ti3C2Tx enhances charge separation and interfacial transfer, enabling efficient adhesive decomposition without physical contact. Experimental validation confirms effective degradation of packaging-simulated PU adhesives under natural sunlight irradiation.
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Gels
·
2025
·Vol. 11
·期 12
·
IF 5.3
Zhenzhen Shan,Xiaoxiong Li,Yalei Li,Yong Wang,Yusen He,Guangyu Sun,Yamin Geng,Guoqing Chang
Lithium–sulfur (Li-S) batteries are renowned for their high theoretical energy density and low cost, yet their practical implementation is hampered by the polysulfide shuttle effect and sluggish redox kinetics. Herein, a sol–gel strategy is proposed to engineer a multifunctional MXene/Fe3O4composite as an efficient mediator for the cathode interlayer. The synthesized composite features Fe3O4nanospheres uniformly anchored on the highly conductive Ti3C2TxMXene lamellae, forming a unique 0D/2D conductive network. This structure not only provides abundant polar sites for strong chemical adsorption of polysulfides but also significantly enhances charge transfer, thereby accelerating the conversion kinetics. As a result, the Li-S battery based on the MXene/Fe3O4interlayer delivers a high initial discharge capacity of 1367.1 mAh g−1at 0.2 C and maintains a stable capacity of 1103.4 mAh g−1after 100 cycles, demonstrating an exceptionally low capacity decay rate of only 0.19% per cycle. Even at a high rate of 1 C, a remarkable capacity of 1066.1 mAh g−1is retained. Electrochemical analyses confirm the dual role of the composite in effectively suppressing the shuttle effect and catalyzing the polysulfide conversion. This sol–gel engineering approach offers valuable insight into the design of high-performance mediators for advanced Li-S batteries.
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