Results in Chemistry
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2026
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IF 5.8
Yaning Wang,Jin Yang,Kai Yang,Wen Zhou,Wenshuai Jiang
The 3D porous structure of graphene functional materials possessed characteristics such as high porosity and large specific surface area, enabling dye molecules to easily enter and diffuse within the 3D network, thereby emerging as a promising solution for treating dye wastewater pollution. In this study, reduced graphene oxide@MXene (RGO@MXene) composite hydrogels with a 3D porous structure were prepared using the hydrothermal reduction method with MXene and graphene oxide as raw materials, and their adsorption performance toward methylene blue (MB) was investigated. The RGO@MXene composite hydrogels doped with 20 wt% MXene exhibited the best removal efficiency for MB, showcasing excellent adsorption performance following the introduction of MXene. During the preparation of the composite hydrogels, the introduction of Ca 2+ as a cross-linking agent not only reduced the preparation time but also adjusted the specific surface area and pore size distribution of the hydrogel. Therefore, the RGO@MXene-CaCl 2 composite hydrogels achieved an MB removal rate of 86.25% within a shorter timeframe. The results indicated that the adsorption process conformed to the pseudo-second-order kinetic and Langmuir isotherm models and was heat-absorbing and spontaneous, and the RGO@MXene-CaCl 2 composite hydrogels had an adsorption capacity of up to 1568.6 mg·g −1 for MB. This observation suggested that the adsorption process was influenced by various mechanisms such as external diffusion, surface adsorption, and internal diffusion. In addition, our study showed that the RGO@MXene-CaCl 2 composite hydrogels not only had better reusability, but also exhibited better adsorption for wastewater containing large amounts of inorganic salts.Our study further revealed that the microwave irradiation spectra of 3D RGO@MXene composite aerogels changed before and after MB adsorption, exhibiting characteristic features of RGO or MXene. This finding confirms the adsorption of MB, suggesting a potential new method for its detection. This research demonstrates promising applications in both dye wastewater treatment and the detection of MB.
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Advanced Healthcare Materials
·
2026
·
IF 11
Douhui Guo,Jing Ye,Changxiong Cai,Ting Xiong,Xueqiang Deng,Yaqi Hua,Wenqi Duan,Chen Li,Liang Hao
Rotator cuff tears (RCT) are one of the most common causes of shoulder joint pain and mobility disorders affecting the health of middle-aged and elderly patients. Although the arthroscopic repair can effectively suture the torn rotator cuff, the retear rate is still high, especially for patients with osteoporosis. Excessive oxidative stress, uncontrolled inflammatory infiltration Bone mass reduction, muscle atrophy, and fatty infiltration would gradually aggravate during the development of RCT, which would seriously hinder the effective repair of the repaired rotator cuff after arthroscopic surgery. Herein, a novel nanozyme-based drug delivery system Nb 2 C@Mg-MOF/Pluronic F127 (NMP) consisting of niobium carbide (Nb 2 C), magnesium metal–organic framework (Mg-MOF), and a temperature-sensitive hydrogel (Pluronic F127) was developed for effective regulation of inflammation and orderly regeneration of various tissues from bone to muscle. The in vitro and in vivo studies have shown that NM (Nb 2 C@Mg-MOF) has excellent anti-inflammatory properties. It could actively promote various tissue regeneration, including osteogenesis, inhibition of osteoclastogenesis, myogenesis, inhibit fatty infiltration and angiogenesis. This nanozyme-based drug delivery system plays an effective role in promoting healing in the complex repair process of rotator cuff tears with osteoporosis, which would provide new insights and a promising strategy for treating of osteoporotic rotator cuff tears.
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PubMed
高影响因子
CHEMICAL ENGINEERING JOURNAL
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2026
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IF 13.2
Rong Ma,Xiaochun Tao,Shuo Li,Chenglong Chen,Qinqin Liu,Shaosheng Rao,Juan Yang
Two-dimensional (2D/2D) heterojunction photocatalysts hold great promise for solar-driven antibacterial disinfection owing to their unique interfacial architectures and tunable electronic properties. However, insufficient interfacial electronic coupling and ineffective charge separation still hinder their practical performance. Here, a sulfur-doped g-C 3 N 4 /Ti 3 C 2 Tx-MXene (SCN/MXene) 2D/2D heterojunction is rationally designed to enable efficient charge separation and transfer, delivering superior solar-driven antibacterial activity with remarkable stability. Combined experimental and theoretical analyses reveal that sulfur doping modulates the electronic structure of g-C 3 N 4 , elevates its Fermi level, and strengthens interfacial electronic coupling with Ti 3 C 2 Tx-MXene, thereby enhancing the built-in electric field and facilitating charge transfer across the interface. Moreover, S-doping induces interfacial charge redistribution, enhancing O 2 adsorption and activation at Ti sites and thereby accelerating the generation of reactive oxygen species (ROS). Consequently, SCN/MXene achieves nearly complete inactivation of Escherichia coli , Staphylococcus aureus , and methicillin-resistant Staphylococcus aureus within 60 min under solar irradiation, outperforming most of the state-of-the-art photocatalysts.
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BIOMASS & BIOENERGY
·
2026
·
IF 5.8
Ge Zhu,Qianqian Yin,Zeren Rao,Ruikun Wang,Zhenghui Zhao,Jianqiang Li
Phase change energy storage technology is an important means of efficient energy utilization. To enhance the competitiveness of biochar-based composite phase change materials (PCMs), this study improves the encapsulation capability of white pine biochar through oleophobic modification while incorporating MXene and multi-walled carbon nanotubes (MWCNT) to enhance the photothermal conversion capability and thermal conductivity of the carbon materials. The resultant supporting material, BC-MM, was successfully combined with paraffin wax (PW) to create an enhanced composite PCM (PW/BC-MM), exhibiting a melting enthalpy of 117.0 J/g. Furthermore, the composite exhibits a degree of supercooling that is higher than that of pure PW. This phenomenon is attributed to the nanoconfinement effect of the biochar mesopores, confirming effective physical encapsulation. Results indicate that the PW/BC-MM composite achieved a high PW loading of 88.16 % with an encapsulation efficiency of 85.18 %. Moreover, the thermal conductivity of PW/BC-MM reached 0.571 W/(m·K), representing a 313.77 % enhancement over pure PW. In the photothermal conversion capability test, the temperature change of PW/BC-MM is 22.1 °C higher than that of the unenhanced composite PCM (PW/BC). Additionally, tests on UV–visible light absorption indicate that the incorporation of the enhanced materials significantly improves the radiation absorption capability of biochar. BC-MM exhibits absorption increases of 21.16 % and 30.67 % in the visible and NIR regions, respectively, compared to oleophobic biochar (BC). Therefore, the biochar-based composite PCM prepared in this study possesses good photothermal conversion capability and thermal conductivity, resulting in a broader application scope.
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CARBON
·
2026
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IF 11.6
Lijuan Cai,Shengxiang Xiong,Jun Chen,Yu Su,Jiyuan Cong,Gang Chen,Chengjun Dong,Hongtao Guan
In response to the burgeoning challenge of electromagnetic wave pollution, the development of high-performance electromagnetic wave absorbing materials with strong attenuation capability is urgently needed. In this study, a MXene/NiO nanowire hybrid aerogel was constructed via electrostatic self-assembly, leveraging a multi-mechanism synergistic loss strategy to significantly enhance the electromagnetic absorbing performance. The three-dimensional conductive network of the material optimizes impedance matching, facilitating electromagnetic wave penetration into the interior for multiple reflections and scattering, thereby reducing surface reflection. Simultaneously, the highly conductive MXene contributes to substantial conduction loss, while abundant defects (graphitic defects, oxygen-containing groups) and heterogeneous interfaces (MXene-NiO) induce notable dipole and interfacial polarization losses. Furthermore, the nano-heterostructure formed between NiO nanowires and MXene enhances interfacial polarization through charge accumulation at the interfaces. Benefiting from these synergistic loss mechanisms, the optimized aerogel exhibits exceptional electromagnetic wave absorption performance, achieving a minimum reflection loss ( RL min ) of −53 dB at a thickness of 1.6 mm and an effective absorption bandwidth (EAB) of 4 GHz. Our findings propose an innovative materials design doctrine enabling precise multi-scale regulation of electromagnetic wave absorption in aerogels.
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SENSORS AND ACTUATORS A-PHYSICAL
·
2023
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IF 4.6
Xinhua Liu,Chengkun Ma,Shaowei Lu,Rongzheng Xu,Keming Ma,Xingmin Liu,Lu Zhang
In this paper, the health monitoring of Al 7075 friction stir welded structure was carried out, including elastic and plastic deformation during stretching and bending. A thin film sensor composed of MXene and single-walled carbon nanotubes was developed by simple mixing and vacuum filtration. This flexible MXene/SWCNT thin film sensor combining the sensitivity of MXene with the stability of carbon nanotubes and can be pasted on the surface of Al 7075 FSW joints through polyimide encapsulation to achieve structural health monitoring . The experimental results show that the MXene/SWCNT sensors encapsulated in polyimide can effectively capture the micro strain of different areas during stretching and bending. When the strain of the welded structure is less than 3000, only elastic deformation occurs in different regions of the welded structure, and the sensors located in different regions show the same resistance change rate. When the strain is greater than 3000, the resistance change rate of the sensors in the thermal-mechanical affected zone and heat affected zone obviously, and when the external force is released, there is residual resistance , which proves that the plastic deformation occurs in the welded structure at this time. By comparing the resistance change rate of the sensors in different regions, it can be inferred whether plastic deformation occurs. As the strain further increases, the resistance change rate of the sensor further increases and make a stable response until the structure breaks. This sensor can be used to track the whole process monitoring of welded structure before fracture.
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RSC Advances
·
2023
·Vol. 13
·期 26
·17914-17922
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IF 3.9
Wanting Su,Man Lang,Qingxiao Zhang,Yanan Yang,Huili Li,Fang Zhang
Zinc ion batteries (ZIBs) have attracted extensive attention for their high safety and environmentally friendly nature, and considerable theoretical capacities. Due to its unique two-dimensional layered structure and high theoretical specific capacities, molybdenum disulfide (MoS2) presents as a promising cathode material for ZIBs. Nevertheless, the low electrical conductivity and poor hydrophilicity of MoS2 limits its wide application in ZIBs. In this work, MoS2/Ti3C2Tx composites are effectively constructed using a one-step hydrothermal method, where two-dimensional MoS2 nanosheets are vertically grown on monodisperse Ti3C2Tx MXene layers. Contributing to the high ionic conductivity and good hydrophilicity of Ti3C2Tx, MoS2/Ti3C2Tx composites possess improved electrolyte-philic and conductive properties, leading to a reduced volume expansion effect of MoS2 and accelerated Zn2+ reaction kinetics. As a result, MoS2/Ti3C2Tx composites exhibit high voltage (1.6 V) and excellent discharge specific capacity of 277.8 mA h g−1 at 0.1 A g−1, as well as cycle stability as cathode materials for ZIBs. This work provides an effective strategy for developing cathode materials with high specific capacity and stable structure.
研究领域:
材料科学
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储能
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纳米材料
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电化学
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2026
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IF 8.5
Zhen-wei Guo,Yan-fen Mo,Zhao-yu Li,Yang Meng,Yi Mei,Delong Xie,Feng Wu
High-performance photothermal conversion composites with excellent mechanical properties hold great potential for applications in energy harvesting, thermal management, and sensing. In this work, vulcanization-free natural rubber (NR) composites with outstanding mechanical strength and photothermal conversion efficiency were fabricated by incorporating Ti 3 C 2 T x MXene nanosheets as photothermal agents and sodium alginate (SA) as a dispersion aid. SA effectively prevented MXene restacking in the NR matrix, ensuring uniform distribution and enhancing interfacial interactions. As a result, the NR/SA/MXene composites reached peak surface temperatures of 88 °C and a photothermal conversion efficiency of 75.89% under 300 s Xe lamp irradiation and maintained this performance over 10 heating–cooling cycles. NR/SA/MXene-8 further achieved an EMI shielding effectiveness of 50.07 dB, while maintaining a tensile strength of 3.68 MPa, elongation at break above 400%, and stable structural integrity. This work offers a scalable approach for designing multifunctional MXene-based elastomers with synergistic photothermal and EMI shielding capabilities, without the need for vulcanization.
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CHEMICAL ENGINEERING JOURNAL
·
2026
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IF 13.2
Naixin Zhai,Zihao Wang,Zhenzhi Cheng,Lelin Xu,Wenjun Yang,Weiping Zhou,Fei Gao,Xiaojun Zeng,Guangsheng Luo
Heterointerface engineering based on the built-in electric field (BIEF) for guiding the construction of nanohybrids has emerged as a feasible strategy to enhance interfacial polarization and amplify the electromagnetic energy attenuation capability. Herein, we have designed a MoS 2 hollow nanospheres (HNS)/reduced graphene oxide (rGO)/Ti 3 C 2 T x /TiO 2 composite aerogel with multiple heterointerfaces. Comprehensive experimental characterization and density functional theory calculations, reveal that the 1T/2H-MoS 2 HNS and TiO 2 derived from the self-oxidation of Ti 3 C 2 T x serve as semiconductor phases to establish effective Mott-Schottky contacts with the conductive rGO phase, thereby constructing a double BIEFs system. Under alternating electromagnetic fields, the triggered BIEFs rationally tunes the electron transport behavior at the heterointerfaces, enhancing the polarization relaxation phenomenon. The 3D network structure of the aerogel can significantly enlarge the contact area of BIEF and enhance the Mott-Schottky effect. As anticipated, the prepared MSGM-10% composite aerogel demonstrates a maximum effective absorption bandwidth (EAB max ) value of 6.56 GHz and a minimum reflection loss (RL min ) value of −67.50 dB at an extremely low filling ratio of 1.50%. Additionally, aerogel features light weight, good hydrophobicity, and stable thermal insulation performance, showcasing remarkable environmental adaptability and promising broad application prospects in electromagnetic protection and military stealth technologies.
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JOURNAL OF POWER SOURCES
·
2026
·
IF 8.4
Shenglin Cheng,Yunfei Dong,Xuan Liu,Zengjie Wang,Xiang Li,Jilai Xue
Parasitic hydrogen evolution reaction (HER) and anode passivation are two intertwined challenges that profoundly limit the energy efficiency and operational lifespan of alkaline aluminum-air (Al-air) batteries. Here, we construct a uniform Ti 3 C 2 T x MXene functional layer on pure aluminum (Al) surface via a facile solution-immersion self-assembly process. The assembled MXene architecture acts a highly effective, selective interfacial regulator with state-dependent dual-functionality. During open-circuit standby, its unique 2D structure impedes water reduction, yielding a ∼46% reduction in the HER rate (from 0.129 to 0.070 ml cm −2 ·min −1 ). Conversely, during discharge, the intrinsically conductive MXene framework facilitates highly uniform anodic dissolution. Consequently, in static alkaline cells (10 mA cm −2 ), the MXene-Al anode delivers an exceptional specific capacity of 2216 mAh·g −1 and an energy density of 3303 Wh·kg −1 , substantially outperforming pure Al (1350 mAh·g −1 , 1818 Wh·kg −1 ). Furthermore, under cyclic on/off discharge with electrolyte flow, the functionalized anode extends operational lifetime by roughly one-third (from 82 to 111 h). Post-discharge characterization confirms that the MXene layer remains structurally intact on the Al surface after prolonged operation. These results establish solution-assembled MXene functional layers as a practical approach for simultaneously addressing HER and passivation in alkaline Al-air batteries.
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CHEMICAL ENGINEERING JOURNAL
·
2026
·
IF 12.5
Mengxiang Liu,Mengle Li,Ziqian Xu,Miao Li,Jiale Fan,Yu Zhang,Kaibo Yu,Zihan Kong,Tao Zhang,Xiaoxiao Huang
Interfacial polarization tuning via BO x F y modification and in situ N-doped carbon • Synergistic interfacial polarization for dielectric response and impedance matching • Minimum reflection loss of −58.97 dB with a bandwidth of 4.24 GHz Pristine Ti 3 C 2 T x MXene generally suffers from severe impedance mismatch arising from its excessive electrical conductivity, which fundamentally limits efficient electromagnetic wave (EMW) attenuation. Herein, an interfacial modulation strategy is proposed by integrating fluorinated boron oxide (BO x F y ) nanophases and in situ derived N-doped carbon into a Ti 3 C 2 T x MXene framework through a hydrothermal process. Distinct from conventional boron-containing modification, the introduced BO x F y species provide abundant polarization-active sites and tailor the local interfacial environment through the coexistence of B O and B F coordination, thereby improving dielectric polarization and impedance matching. Meanwhile, the in situ formed N-doped carbon establishes defect-rich conductive networks, enabling balanced conductive loss and dipolar polarization. More importantly, the synergistic coupling among BO x F y nanophases, N-doped carbon, and Ti 3 C 2 T x MXene constructs abundant heterogeneous interfaces and multiscale conductive pathways, facilitating interfacial polarization and electromagnetic energy dissipation. As a result, the optimized BN(1:1)-MXene achieves a minimum reflection loss of −58.97 dB at 1.77 mm and an effective absorption bandwidth of 4.24 GHz. Furthermore, radar cross-section simulations demonstrate remarkable electromagnetic scattering suppression with a maximum reduction of 32.05 dB m 2 at normal incidence. This work highlights the synergistic effects of interfacial modulation on electromagnetic attenuation, offering a promising strategy for high-performance MXene-based EMW absorbers. Download: Download high-res image (320KB) Download: Download full-size image
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CERAMICS INTERNATIONAL
·
2026
·
IF 6
Weixiao Shan,Yudan Yi,Xinqiu Hong
Multifunctional flexible pressure sensors have garnered significant interest for their potential in health monitoring, electronic skin, and human-machine interfaces. However, sensors fabricated by simple physical blending often suffer from weak interfacial bonding, which leads to the detachment of conductive materials under repeated deformation. To address this issue, we propose an innovative strategy by incorporating aminofunctionalized carbon nanotubes (NH 2 -CNTs) into an MXene/polyurethane (PU) sponge system. Driven by strong electrostatic interactions between NH 2 -CNTs and MXene, a robust and interconnected conductive network is constructed through an electrostatic layer-by-layer self-assembly process. The resulting MXene/NH 2 -CNTs/PU sponge exhibits remarkable overall performance, featuring high sensitivity (0.387 kPa −1 ), rapid response/recovery times (82/83 ms), a wide detection range (0–55 kPa), an ultralow detection limit (11 Pa), and excellent cyclic stability (>5000 cycles). Benefiting from its wide detection range and high sensitivity, the sensor enables real-time monitoring of diverse physiological signals, from subtle acoustic vibrations of the vocal cords to full-range body movements. Coupled with its facile and low-cost fabrication process, the multifunctional MXene/NH 2 -CNTs/PU sponge sensor paves the way for broad applications in human activity monitoring and beyond.
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