Materials Today Chemistry
·
2023
·
IF 7.3
Zahra Ansarian,Alireza Khataee,Yasin Orooji,Amirreza Khataee,Samira Arefi-Oskoui,Ehsan Ghasali
Developing electrochemically active, stable, and low-cost electrocatalysts for electrochemical devices is a significant breakthrough. Accordingly, MAX phases, emerging three-dimensional materials, are considered outstanding candidates due to their excellent electrocatalytic and electrochemical properties . Herein, the titanium germanium carbide (Ti 3 GeC 2 ) MAX phase with a layered structure manufactured through reactive sintering was regarded as the electrocatalyst. In the current work, the electrocatalytic activity of the Ti 3 GeC 2 was investigated for electrochemical devices. It was observed that adding activated carbon to the Ti 3 GeC 2 enhances the conductivity and active area, leading to an excellent specific capacitance (349 Fg -1 ) for supercapacitors . Also, the capacitance of Ti 3 GeC 2 was increased by increasing the number of cyclic voltammetry cycles. In another application, Ti 3 GeC 2 showed substantial activity for hydrogen and oxygen evolution reactions in alkaline media. As a result, the alkaline water electrolysis system using Ti 3 GeC 2 showed the highest current density of 10 mA cm −2 at 1.36 V and outstanding stability over 400 cycles.
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
·
2025
·
IF 6
Sultan Akdağ Türkay,Alireza Khataee,Yasin Orooji
The V 4 AlC 3 MAX phase, as the precursor of MXene, was developed for levofloxacin degradation through sonocatalytic activation of peroxymonosulfate (PMS). The reactive sintering method was used to synthesize V 4 AlC 3 MAX phase. Vanadium, aluminium and graphite, with molar ratios 4:1.2:3, were mixed in ball milled (ball-to-material ratio of 3:1, 12 h, 350 rpm), compressed into a disc and placed in a tubular furnace (1600 ℃ for 2 h). The stacked layered morphology of the MAX phase was confirmed by SEM and TEM images. With an average crystal size of 48.5 nm and a narrow band gap (1.92 eV), the V 4 AlC 3 MAX phase exhibited remarkable sonocatalytic activity. Under optimum conditions, US/V 4 ALC 3 MAX phase/PMS process exhibited 88.4 % levofloxacin degradation efficiency in 60 min. First order rate constant (k app ) of the US/V 4 AlC 3 MAX phase/PMS process was 10.22, 7.43, and 4.78 times higher than that of US/V 4 AlC 3 MAX phase, US/PMS, and V 4 AlC 3 MAX phase/PMS processes, respectively. V 4 AlC 3 MAX phase showed remarkable reusability after 5 cycles. It was proved that superoxide radical was the main active substance in the degradation process. The possible intermediates were identified through LC-MS analysis, and four main degradation pathways were proposed. The mechanism of PMS-assisted sonocatalytic degradation of levofloxacin was described.
研究领域:
环境科学
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材料科学
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化学工程
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产品关联
DOI
高影响因子
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
·
2024
·
IF 4.1
Samaneh Rashtbari,Gholamreza Dehghan,Yasin Orooji,Simin Khataee,Arezu Marefat,Leonid G. Voskressensky,Alireza Khataee
The extensive use of pesticides in modern agriculture has raised concerns about environmental contamination and adverse human health effects. Therefore, developing highly sensitive detection methods to identify pesticide residues is crucial for food safety and ecosystem protection. In this study, the Fe 2 AlB 2 MAX phase was synthesized and characterized. After evaluating its peroxidase-mimetic performance using a colorimetric method, a new, sensitive, and simple dual fluorescence-colorimetric sensor was developed for the quantification of two common pesticides, acetamiprid (ACP) and imidacloprid (IMP), using fluorescein (FL). The developed method is based on the inhibitory impact of ACP and IMP on the enzymatic performance of the Fe 2 AlB 2 MAX phase, specifically the inhibition of hydroxyl radical ( OH) generation, which enhances the absorption and emission intensities of FL. The results confirmed that OH generated through the breakdown of H 2 O 2 via the catalytic activity of the MAX phase can decrease the intrinsic absorption and emission intensities of FL. However, ACP and IMP inhibit the peroxidase-like activity of the MAX phase, leading to increased absorption and emission intensities of FL. The limit of detection values calculated for spectrophotometric and spectrofluorimetric quantifications were 2.8 μM and 0.051 μM for ACP and 1.72 μM and 0.013 μM for IMP, respectively. Furthermore, the proposed method was successfully utilized to accurately and reliably determine ACP and IMP in spiked real samples with satisfactory accuracy and precision. These developed methods offer several advantages, making them promising candidates for the direct, rapid screening of pesticide residues.
研究领域:
食品安全
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环境科学
·
分析化学
✓ 已验证
产品关联
DOI
高影响因子
CHEMOSPHERE
·
2024
·
IF 8.1
Vahid Vatanpour,Seyed Ali Naziri Mehrabani,Ahmad Dehqan,Samira Arefi-Oskoui,Yasin Orooji,Alireza Khataee,Ismail Koyuncu
In this work, the hydrophobic polyethersulfone (PES) membrane was modified by incorporating Ti 3 AlCN MAX phase. Synthesis of Ti 3 AlCN MAX phase was performed using the reactive sintering method. The scanning electron microscopy (SEM) images showed a 3D compressed layered morphology for the synthesized MAX phase. The Ti 3 AlCN MAX phase was added to the casting solution, and the mixed-matrix membranes were fabricated by the non-solvent induced phase inversion method. The performance and antifouling features of bare and modified membranes were explored by pure water flux, flux recovery ratio ( FRR), and fouling resistance parameters. Through the modification of membranes by introducing the Ti 3 AlCN MAX phase, the enhancement of these features was observed, in which the membrane containing 1 wt% of MAX phase showed 17.7 L/m 2 .h.bar of permeability and 98.6% for FRR . Also, the separation efficiency of all membranes was evaluated by rejecting organic and inorganic pollutants. The Ti 3 AlCN MAX membranes could reject 96%, 95%, and 88% of reactive blue 50, Rose Bengal, and azithromycin antibiotics, respectively, as well as 98%, 80%, 86%, and 36% of Pb 2+ , As 5+ , Na 2 SO 4, and NaCl, respectively. Finally, the outcomes indicated the Ti 3 AlCN MAX phase was an excellent and efficient novel additive for modifying the PES membrane.
研究领域:
环境科学
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材料科学
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产品关联
DOI
PubMed
高影响因子
CERAMICS INTERNATIONAL
·
2024
·
IF 5.1
Zonglong Gao,Zhuan Li,Guoyuan Wen,Jiaqi Wu,Ye Li,Hongying Nie,Mengting Wei
In braking materials field, MAX phase has been introduced into Cu-based composite materials to address issues such as inadequate wetting between ceramic particles and the metal matrix. This study focuses on preparing Ti 2 AlN-ZrO 2 -B 4 C reinforced Cu-based materials via the powder metallurgy method, and investigates the effects and mechanisms of different Ti 2 AlN/ZrO 2 ratios on the mechanical, thermal, and tribological properties of these materials. The addition of an appropriate amount of Ti 2 AlN (3 wt%) can enhance the densification and mechanical properties of Cu-based materials, as the diffusion of Al atoms promotes the sintering process. Similarly, the diffusion of Al also improves the thermal conductivity at grain boundaries, resulting in samples with higher Ti 2 AlN content exhibiting superior thermal diffusivity. When the Ti 2 AlN content reached 7 wt%, the material exhibited optimal hardness (43.35 ± 1.05 HBW), moderate shear strength (19.84 ± 1.86 MPa), as well as excellent high initial braking speed friction coefficient and stability. The reinforcement primarily arises from the diffusion bonding between Ti 2 AlN and Cu, leading to the formation of Cu-Ti compounds at the interface, which facilitates Ti 2 AlN in providing frictional force during the friction process and promotes the formation of a friction film due to the “pinning effect”. Additionally, the layered structure of Ti 2 AlN and the subsequent formation of amorphous Al 2 O 3 after oxidation contributed to the enhancement of friction stability.
研究领域:
材料科学
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机械工程
✓ 已验证
DOI
高影响因子
Journal of Advanced Ceramics
·
2021
·Vol. 10
·期 6
·1291-1298
·
IF 6.707
Huang Jiaxuan,Wan Hujie,Li Mian,Zhang Yiming,Zhu Jianfeng,Li Xuelin,Shui Wenchao,Li Yao,Fan Xiaomeng,Wen Qiye,Xiao Xu,Huang Qing
Electromagnetic interference (EMI) shielding materials have received considerable attention in recent years. The EMI shielding effectiveness (SE) of materials depends on not only their composition but also their microstructures. Among various microstructure prototypes, porous structures provide the advantages of low density and high terahertz wave absorption. In this study, by using carbonised wood (CW) as a template, 1-mm-thick MAX@CW composites (Ti 2 AlC@CW, V 2 AlC@CW, and Cr 2 AlC@CW) with a porous structure were fabricated through the molten salt method. The MAX@CW composites led to the formation of a conductive network and multilayer interface, which resulted in improved EMI SE. The average EMI SE values of the three MAX@CW composites were > 45 dB in the frequency of 0.6–1.6 THz. Among the composites, V 2 AlC@CW exhibited the highest average EMI SE of 55 dB.
研究领域:
材料科学
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电磁学
✓ 已验证
产品关联
DOI
高影响因子
ACS Nano
·
2025
·
IF 16
Yuting Li,Xiang Liu,Mingxue Xiang,Qinhuan Wang,Yu Zhang,Yu Wang
Solar-driven interfacial evaporation (SDIE) has emerged as an efficient approach for sustainable freshwater generation, with current research predominantly focusing on photothermal materials and evaporator configurations. However, there is less attention from a practical engineering perspective for SDIE applications in extreme environments or industrial requirements, such as strong acids, alkalis, and high-salinity wastewater. Herein, we propose a one-dimensional (1D) MAX phase-based photothermal evaporator that combines exceptional solar-thermal conversion efficiency with high chemical stability, enabling efficient solar energy conversion to produce freshwater in various extreme environments. The engineered Ti2AlSnC nanofiber membrane evaporator demonstrates a continuous 30-day operation in concentrated acids (pH < 1) while maintaining a stable evaporation rate of 2.8 kg m–2 h–1. Furthermore, the integrated Joule heating module enables all-day operation under low-light conditions with a minimal energy input (≤3 V). The development of such a material establishes a promising strategy for more practical and durable water treatment solutions to harsh environments.
研究领域:
材料科学
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环境工程
·
能源技术
✓ 已验证
产品关联
DOI
PubMed
高影响因子
CERAMICS INTERNATIONAL
·
2025
·
IF 5.6
Shuaiqian Wang,Baoji Miao,Muhammad Shahid Nadeem,Huaizhi He,Yao Zhao,Muhammad Yasir,Qiuling Chen,Guoqin Liu,Jinbo Bai
This study successfully prepared a novel high-entropy MAX phase (Ti 1/4 V 1/4 Zr 1/4 Nb 1/4 ) 2 AlC and conducted a comprehensive investigation of its microwave absorption performance. The material was synthesized using a pressure less sintering method, and by optimizing the selection of raw materials and synthesis processes, high purity, and excellent microwave absorption performance were achieved. The composition, structure, morphology, and electromagnetic parameters of the material were analyzed in detail using characterization methods such as XRD, SEM, EDS, TEM, XPS, and vector network analyzer (VNA). Experimental results exhibit that (Ti 1/4 V 1/4 Zr 1/4 Nb 1/4 ) 2 AlC can achieve a lowest RL of -62.56 dB at a thickness of 2.25 mm with frequency of 13.26 GHz, demonstrating outstanding microwave absorption capabilities. The study also explored the microwave absorption mechanisms of grown material, including conductivity, dipole polarization relaxation processes, internal lattice defects, and magnetic loss. This research not only delivers new approaches and development of effective microwave absorption materials but also lays the foundation for subsequent studies on MXene and more multi-element high-entropy MAX phase materials.
研究领域:
材料科学
·
电磁学
✓ 已验证
产品关联
DOI
高影响因子
Nature Communications
·
2024
·Vol. 15
·期 1
·1-11
·
IF 14.7
Li Yuting,Kong Haoran,Yan Jin,Wang Qinhuan,Liu Xiang,Xiang Mingxue,Wang Yu
MAX phases, a unique class of layered ternary compounds, along with their two-dimensional derivatives, MXenes, have drawn considerable attention in many fields. Notably, their one-dimensional (1D) counterpart exhibits more distinct properties and enhanced assemblability for broader applications. We propose a conformal synthetic route for 1D-MAX phases fabrication by integrating additional atoms into nanofibers template within a molten salt environment, enabling in-situ crystalline transformation. Several 1D-MAX phases are successfully synthesized on a large scale. Demonstrating its potential, a copper-based layer-by-layer composites containing 1% by volume of 1D-Ti 2 AlC reinforced phase achieves an impressive 98 IACS% conductivity and a friction coefficient of 0.08, while maintaining mechanical properties comparable to other Cu-MAX phase composites, making it suitable for advanced industrial areas. This strategy may promise opportunities for the fabrication of various 1D-MAX phases.
研究领域:
材料科学
·
合成化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Journal of Magnesium and Alloys
·
2025
·
IF 13.8
Guorong Zhang,Taigen Liang,Fen Xu,Lixian Sun,Sheng Wei,Jiaxi Liu,Lina Qin,Xia Lin,Yongpeng Xia
Magnesium hydride (MgH 2 ) is a promising solid-state hydrogen storage material due to its high hydrogen content and cyclic stability. However, its practical applications are limited by slow desorption kinetics and a high dehydrogenation temperature. To address these challenges, Pt-loaded MAX fibers with oxygen vacancies (Pt@MFs) have been synthesized by using vortex and hydrothermal methods. And the effects of the Pt@MFs on the hydrogen storage properties of MgH 2 are investigated. The results display that the MgH 2 doped with 10wt% Pt@MFs begins dehydrogenation at 169.3 °C and absorbs 5.73 wt% hydrogen in just 30 s at 125 °C and 30 bar hydrogen pressure. After 30 cycles, the MgH 2 –10 wt% Pt@MFs retains 98.7% of its initial capacity, showcasing excellent cycling stability. The synergistic effect of the MAX fiber network's active sites, oxygen vacancies, anchored Pt nanoparticles and intermetallic compounds (PtTi, Pt 3 Ti) in the MgH 2 –10 wt% Pt@MFs composite significantly enhances hydrogen storage kinetics by facilitating diffusion, optimizing electron transfer, and weakening Mg-H bonds. The design concept of this material offers a novel strategy for improving the kinetics and stability of MgH 2 .
研究领域:
材料科学
·
纳米科技
·
能源化学
·
固体化学
·
催化化学
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
·
2022
·
IF 6.364
Xudong Wang,Ke Chen,Ziqian Li,Haoming Ding,Yujie Song,Shiyu Du,Zhifang Chai,Hui Gu,Qing Huang
Herein, a series of chalcogen-containing MAX phases, Hf 2 (Se x S 1−x )C, were successfully synthesized, whose lattice parameter change follows the Vegard’s law. The average coefficient of thermal expansion (CTE) can be continuously tuned from 7.59 μK −1 to 9.93 μK −1 when the occupancy rate x of Se changes from 0 to 1. The substitution of Se for S effectively soften the crystal structures that is reflected by long average M-A bond in Se-alloying Hf 2 (Se x S 1−x )C. However, the CTEs along a and c axes in all Hf 2 (Se x S 1−x )C MAX phases are almost same which may be find application in thermal barrier coating (TBC) that isotropic volume change is highly demanding.
研究领域:
材料科学
·
热物理学
·
固体化学
✓ 已验证
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2021
·
IF 9.229
Jianning Zhang,Ke Chen,Xun Sun,Ming Liu,Xiao Hu,Liu He,Zhengren Huang,Zhifang Chai,Xueshan Xiao,Yujie Song,Qing Huang
Ceramics including oxides, carbides, nitrides, borides, carbonitrides, silicates, and MAX phases have wide applications in electrode materials, high-temperature structural materials, and anticorrosive materials for harsh environments. However, the difficulty in processing ceramics with complex shapes from green powders has been restricting applications in emerging areas. Herein, polymer-derived ceramics (PDCs) were used to assist the pressureless processing of MAX phase particles. The processing temperature could be lowered by 400 to 600 °C, which is favorable for both industrialization and engineering applications. The good processability of MAX-preceramic polymer mixtures and high accuracy of replica from preceramic polymer make it possible to fabricate artificial objects with complex shapes and fine texture. This method provides a method to fabricate MAX phase ceramics/composites, as well as some other ceramics.
研究领域:
材料科学
·
陶瓷工程
✓ 已验证
DOI
PubMed
高影响因子
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