JOURNAL OF MEMBRANE SCIENCE
·
2025
·
IF 9
Tao Jian,Yongjin Fang,Xiang Cai,Mingyi Ying,Bisheng Li,Wangyang Ye,Liguo Shen,Leihong Zhao,Hongjun Lin
The development of high-performance membranes for heavy metal remediation remains a key challenge in advanced water treatment. In this work, a hierarchically structured composite membrane was fabricated via a self-confined growth strategy, in which Zn(OH) 2 nanostrands immobilized MoS 2 and directed the in-situ growth of ZIF-8, forming a defect-free interlayer for robust polyamide (PA) deposition. The resulting ZM15-PA membrane exhibits a highly hydrophilic surface with a contact angle of 31.5°, a strong positive surface charge under acidic conditions, and excellent water permeability reaching 83.5 L m -2 h -1 . Most notably, the membrane achieves an ultrahigh Pb(II) rejection rate of 99.2%, consistently reducing effluent concentrations to less than 10 μg L -1 , even in the presence of coexisting ions and dissolved organic matter. Mechanistic investigations reveal that Pb(II) removal is governed by synergistic mechanisms including electrostatic repulsion, molecular sieving, and coordination interactions involving Pb-S, Pb-O, and Pb-N bonds. Furthermore, the membrane demonstrates outstanding antifouling resistance, long-term operational stability, and antibacterial efficiency exceeding 99% under photo-Fenton conditions. These findings highlight the promise of self-confined growth strategies for stabilizing two-dimensional materials and developing multifunctional membranes for selective heavy metal removal in complex water matrices.
✓ 已验证
产品关联
DOI
高影响因子
FOOD CHEMISTRY
·
2025
·
IF 9.8
Yihao Li,Fengzhen Jin,Bowen Li,Shun Wu,Yuanqing Wang,Yaohui Wu,Yonghong Wang,Ge Ning
Zearalenone (ZEN) is a mycotoxin that exerts multiple toxic effects on humans through the contamination of grains such as corn, posing a significant threat to food safety and human health. This work proposed a dual-signal ratiometric electrochemical aptasensor utilizing ferrocene-carboxylic acid‑gold nanoparticle‑molybdenum disulfide nanosheets (Fc-Au-MoS 2 ), hybridization chain reaction (HCR), and the cleavage effect of DNAzyme triggered by triple-helix molecular switch (THMS) to detect ZEN. The specific interaction with ZEN triggers the release of the DNAzyme from THMS, which then removes the immobilized primer chain on the electrode surface with the assistance of Pb 2+ , thereby preventing HCR occurrence. This inhibitory mechanism reduces methylene blue (MB) insertion while exposing the active sites of Fc-Au-MoS 2 , generating an opposite signal response to achieve high-precision ratio detection. The aptasensor demonstrated a low detection limit of 29.4 pM, with satisfactory recoveries in corn flour (97.3 %–106.4 %), confirming its potential for monitoring mycotoxin residues in food safety.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
DALTON TRANSACTIONS
·
2022
·Vol. 51
·期 9
·3472-3484
·
IF 4.569
Lei Xu,Zhipeng Gong,Yinglin Qiu,Wenbo Wu,Zunxian Yang,Bingqing Ye,Yuliang Ye,Zhiming Cheng,Songwei Ye,Zihong Shen,Yuanqing Zhou,Qiaocan Huang,Zeqian Hong,Zongyi Meng,Zhiwei Zeng,Hongyi Hong,Qianting Lan,Tailiang Guo,Sheng Xu
Metal sulfides, one kind of electrode material with very high theoretical capacity, have been widely studied for use in lithium and sodium ion batteries. However, there are some problems hindering their applications in electrodes, such as low conductivity and volume expansion. The MOF introduces metals with different coordination strengths into an existing MOF structure, which improves the performance of the electrode to a certain extent. In this paper, Fe/Zn bimetallic MOF rod-like superstructure was prepared based on Ostwald theory. Accompanied by sulfuration, the MOF was effectively combined with MoS2 and GO, and the objective materials Fe7S8-C/ZnS-C@MoS2/rGO composites were successfully prepared. The MOF material provides a good frame and an efficient electron transport path, while the robust rGO wall effectively inhibits the pulverization of materials during the lithium/sodium intercalation/escalation courses. This particular material exhibited excellent cycling and rate capability performance when used in Li/Na-ion batteries. When used in Li-batteries, the electrode material delivered a specific capacity of 1598.3 mA h g−1 at 0.1 A g−1 and remained at 1196.7 mA h g−1 even after about 100 cycles and further exhibited a specific capacity of 368.68 mA h g−1 at the current rate of 5 A g−1 even after 1000 cycles, respectively. As for sodium batteries, these electrode materials exhibited an initial reversible capacity of 1053.6 mA h g−1 at 0.1 A g−1 and the reversible capacity was still as high as 592.2 mA h g−1 after 200 cycles. It is perhaps that this composite material with its particular architecture and composition is greatly beneficial for electron transfer and Li/Na ion diffusion. In the repeated physicochemical/nutrifying process, the appropriate distance between adjacent MOFs is of great help in preventing volume changes and thus improving the electrochemical performance.
✓ 已验证
DOI
高影响因子
NEW JOURNAL OF CHEMISTRY
·
2021
·Vol. 45
·期 31
·14042-14049
·
IF 3.591
Yaoxia Yang,Xuqin An,Mi Kang,Fengyao Guo,Lan Zhang,Qingtao Wang,Dongfei Sun,Yuan Liao,Zhiwang Yang,Ziqiang Lei
The construction of excellently performing electrocatalysts for hydrogen evolution reaction (HER) with a low-cost and economical strategy is still struggling with an enormous challenge in electrochemical water splitting. In this work, a novel N-doped porous carbon substrate constructed heterojunction electrocatalyst (MoS2-MoP/NC) was fabricated by a simple and facile method. Based on the electronic interaction and synergistic effect between MoS2 and MoP phases, the fabricated MoS2-MoP/NC heterojunction catalyst exhibited excellent electrocatalytic ability. In addition, the N-doped porous carbon substrate had a good charge/mass-transfer ability, which could effectively facilitate electronic transmission or prevent the aggregation of MoS2-MoP nanosheets and improve the catalytic activity. The heterojunction catalyst significantly improved HER activity with a low overpotential of 83 and 103 mV at 10 mA cm−2 in a 1.0 M KOH and 0.5 M H2SO4 and Tafel slope of 59.38 and 59.20 mV dec−1 for HER, respectively. This work provides a simple, less expensive and efficient approach for constructing high-performance heterojunction catalysts for HER.
✓ 已验证
DOI
高影响因子
ACS Applied Nano Materials
·
2024
·
IF 5.3
Velusamy Periyasamy,Shanhu Liu,M. Sathiya,Awais Ahmad,Elangovan Elamurugu,Asma A Alothman,Mohammad Sheikh Saleh Mushab,Fuchun Zhang,Xinghui Liu
Photoelectrochemical (PEC) systems are inefficient, probably due to charge carrier mobility, recombination rate, and solar light absorption. Fabricating semiconductor-metal sulfide nanocomposites and nanostructured materials can improve the absorption of solar radiation, electron–hole separation, transport, and hydrogen (H2) and oxygen generation to resolve the world’s energy dilemma. The vanadium-doped (V) layered graphitic carbon nitride (g-CN)/MoS2 (MS) nanocomposite was synthesized employing two-step solvent evaporation and thermal condensation. This multilayer V-doped g-CN/MS nanocomposite broke down methyl red dye in 60 min under sunlight. Due to visible light absorption, the V-doped g-CN-MS nanostructure degrades the dye by 97.84%. We found that at 3.0 wt % V-doped g-CN/MS coated on TiO2 nanorods. The catalyst nanocomposites displayed a high photocurrent density of 23.72 mA cm–2 and a H2 production rate of 4477 mol h–1 cm–2. Additionally, the microstructure, optical absorption behavior, and electrical conductivity were all shown to contribute to these impressive PEC characteristics. The V-modified g-CN/MS nanocomposite structures are effective and regulated PEC catalysts, and this study suggests ways to improve PEC water splitting and degradation.
✓ 已验证
产品关联
DOI
高影响因子
APPLIED CATALYSIS B-ENVIRONMENTAL
·
2021
·
IF 19.503
Lin Xu,Lifen Liu
In this study, the catalytic performance of helical-form carbon fiber cloth anode loaded with atomic Fe@MoS 2 (Fe@MoS 2 /CFC (h)) in piezocatalytic fuel cell (Pz-FC), improved 1.27 times with aeration as the piezo-driving force. The above Pz-FC with 0.5 mM peroxymonosulfate (PMS) and Xe-lamp irradiation forming a PMS-piezo-photocatalytic fuel cell (PMS-Pz-PFC) system, removed 92.8% berberine in 60 min and generated power density that were respectively 2.04-fold and 8-fold higher than the PMS-Pz-PFC using MoS 2 /CFC (h) as the anode. Experiments showed that atomic Fe promoted piezo-photocatalysis of the helical-design anode significantly to accelerate the activation of PMS. Moreover, with 0.5 mM PMS, remarkable enhancement of electricity generation (more than 500 times difference) and pollutant degradation (by 40–50%) were achieved. The drastic synergy of piezoelectric catalysis in enhanced advanced oxidation has great practical application potential.
✓ 已验证
DOI
高影响因子
Journal of Materials Chemistry A
·
2021
·Vol. 9
·期 24
·13996-14003
·
IF 12.732
Hongqiang Jin,Yu Yu,Qikai Shen,Peipei Li,Jia Yu,Weiming Chen,Xin Wang,Zhuo Kang,Lei Zhu,Runqing Zhao,Lirong Zheng,Weiguo Song,Changyan Cao
1T-phase molybdenum disulphide (MoS2) is considered to be one of the most promising candidates to substitute noble metals in the hydrogen evolution reaction (HER). Fabricating single layer 1T-phase MoS2 with abundant sulfur vacancies as well as good stability to further enhance catalytic performance remains a challenge. Herein, we develop an efficient in situ TMA cation ((CH3)4N+) intercalation method to produce 1T-phase MoS2. The obtained MoS2 nanosheets comprise about 81% 1T-phase and abundant sulfur vacancies (>12%), as verified by aberration-corrected high-angle annular dark field scanning transmission electron microscopy (AC-HAADF-STEM), X-ray photoelectron spectroscopy (XPS), X-ray absorption fine structure (XAFS), etc. In addition, the surface of as-prepared ST-MoS2 is negatively charged, making it very stable in aqueous solution. The as-prepared ST-MoS2 exhibits excellent electrochemical HER performance with a low over-potential and a small Tafel slope as well as superior cycling stability. Furthermore, it is an excellent co-catalyst when coupled with CdS nanowires to form a CdS/ST-MoS2 heterojunction photocatalyst for the HER under visible light irradiation. It achieves a maximum H2 production rate and apparent quantum efficiency (AQE) of approximately 1187 μmol mg−1 h−1 and 73.4%, respectively, which are significantly higher than those of reported CdS/MoS2 photocatalysts.
✓ 已验证
DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2023
·
IF 9.9
Feier Niu,Yueyuan Mao,Nana Wang,Zhenying Feng,Junming Chen,Longqiang Ye,Shaoqing Zhang,Zhongchao Bai,Shixue Dou
Two-dimensional (2D) layered materials have promising prospects for Zn-storage due to their flexible and adjustable interlayer architecture. The strong electrostatic interaction and high diffusion energy barrier, however, lead to slow diffusion kinetics of Zn-ions between the 2D interfaces, limiting its widespread application. Herein, Ti 3 C 2 MXene is introduced into the MoS 2 interlayer by the “pillar effect” to assemble a layer-by-layer inter-embedded structure (L-MoS 2 /Ti 3 C 2 ), which provides sufficient diffusion channels for Zn-ions. DFT computations and GITT confirm that the L-MoS 2 /Ti 3 C 2 exhibits superior Zn-ions migration kinetics. Therefore, L-MoS 2 /Ti 3 C 2 shows excellent long-term cycling stability (75.6% capacity retention after 7000 cycles at 15 A g -1 ) and glorious high-rate capability (107 mAh g -1 at 20 A g -1 ). In addition, the practical application of this material is demonstrated by evaluating the performance of L-MoS 2 /Ti 3 C 2 in flexible quasi-solid-state aqueous zinc ion batteries under various extreme bending conditions, which exhibits good stability under 180° during the 4000 cycles with a capacity retention of 80.5% at 2.0 A g -1 .
✓ 已验证
DOI
高影响因子
ELECTROCHIMICA ACTA
·
2019
·
IF 5.383
Wei Li,Ting Luo,Chao Yang,Xiaopeng Yang,Shuhua Yang,Bingqiang Cao
Molybdenum disulphide (MoS 2 ) with two-dimensional (2D) “graphene-like” stacked structure has attracted widespread attention as a type of novel energy storage materials because of its unique electronic properties. However, it suffers from fast capacity fading, low cycling stability and low specific capacitance for flexible devices. This study describes a facile and novel laser irradiation approach to fabricate self-assembled porous hollow MoO 3-x -doped MoS 2 nanospheres sandwiched by graphene for binder-free flexible supercapacitors (SCs). Due to the one-step laser-induced fragmentation and self-assembly of MoS 2 nanoflakes with the photothermal reduction of graphene oxide (GO), the MoO 3-x -doped MoS 2 /graphene nanocomposites show enhanced conductivity, high surface area and increased electrochemical active sites for redox reactions . The symmetric flexible SCs deliver remarkable areal specific capacitance of 121.88 mF cm −2 under a current density of 0.6 mA cm −2 , excellent cycle performance of almost no loss after 4000 cycles and high energy density of 73.4 μWh cm −2 under a power density of 240 μW cm −2 . This simple and ultra-fast laser-induced self-assembly technique could open up a new avenue towards high-performance flexible energy storage.
✓ 已验证
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2020
·
IF 3.99
Haiping Liu,Jing Liang,Li shao,Jinge Du,Qiancheng Gao,Shuai Fu,Li Li,Miao Hu,Fengying Zhao,Jianguo Zhou
The dual defect mediated Z-scheme MoS 2 /g-C 3 N 4 photocatalyst was fabricated via a simple ultrasonic dispersion and annealing method. The structural, optical and electronic property was systematically characterized. X-ray photoelectron spectroscopy (XPS) analysis demonstrated that the MoS 2 was anchored on the g-C 3 N 4 through strong interface electrostatic interaction , which led to the formation of built-in electric field at the contact interface. The optimized MoS 2 /g-C 3 N 4 heterojunction achieved a superior photoefficiency towards bisphenol A (BPA) degradation and exhibited the reaction rate normalized to specific surface area of 3.22 × 10 −4 g·min −1 m −2 , approximately 10.0 and 6.7 times larger than these of g-C 3 N 4 and MoS 2 , respectively. The origin of the enhanced photocatalytic activity of MoS 2 /g-C 3 N 4 was attributed to the formation of intimate Z-scheme surface heterostructure between MoS 2 and g-C 3 N 4 , thus improved the light-harvesting ability, facilitated fast charge separation and created more active sites. The impact of anionic towards degradation efficiency was investigated. The degradation activity and degree of BPA were investigated by three-dimensional excitation-emission matrix (3D EEM) fluorescence technique. The Z-scheme charge transfer mechanism and the significant contribution of holes (h + ) and superoxide radicals ( O 2 − ) were demonstrated by electron spinning resonance (EPR), radical scavenger experiment and spectral quantification technology. This work could offer a new protocol for the design of highly efficient heterostructure photocatalysts towards environmental remediation.
✓ 已验证
DOI
高影响因子
Nanoscale
·
2017
·Vol. 9
·期 40
·15558-15565
·
IF 7.367
Zhonggui Gao,Xiao Yu,Jiang Zhao,Wenxia Zhao,Ruimei Xu,Yong Liu,Hui Shen
MoS2 material is considered as a promising anode material candidate in Na-ion batteries (NIBs) due to its high theoretical capacity and layered structure. However, MoS2 nanosheets usually tend to restack or aggregate during the synthesis and cycling process, which makes the advantages of the separated nanosheets disappear. Here, we present a PVP-assisted synthesis for growing long hierarchical MoS2 nanofibers with a length up to 74.5 μm, which were further assembled from intercrossed curly nanosheets with expanded (002) interlayer spacings in the range of 0.62 nm to 1.14 nm. Such architectural design simultaneously combines multiple-scale structural features that are desired for Na-ion storage. On the one hand, the nanosheets can provide a large surface area which is in contact with the electrolyte, a short Na-ion diffusion pathway from the lateral side and facile Na-ion insertion and extraction through the expanded (002) interlayer; on the other hand, the hierarchical MoS2 nanofibers possess a one dimensional structure and a suitable amount of carbon, which can both serve as an electrical highway and prevent them from restacking, resulting in an enhanced electrochemical performance. When used as an anode in NIBs, they demonstrated excellent cycling performance (537 mA h g−1 at 0.1 A g−1 after 200 cycles, and 370 mA h g−1 at 2 A g−1 over 200 cycles) and outstanding rate capability (329 mA h g−1 at 10 A g−1).
✓ 已验证
DOI
高影响因子
MINERALS ENGINEERING
·
2026
·
IF 6
Wentao Li,Hongxiang Xu,Erfeng Zhang,Zechao Huangfu,Jiushuai Deng
Copper site differences determine CuFeS 2 –MoS 2 flotation selectivity in Cu 2+ -containing systems. • ADT forms chelate coordination with surface Cu sites but not lattice Cu sites. • Monodentate ligands provide better CuFeS 2 –MoS 2 separation than bidentate ligands in Cu 2+ -containing systems. Interfaces involving Cu 2+ solutions play a critical role in CuFeS 2 -MoS 2 separation, and the differences among copper sites at the atomic scale are essential for understanding and controlling their separation in Cu 2+ -containing systems. Herein, sodium thioglycolate (STC) and amidinothiourea (ADT) were selected to systematically investigate the effects of copper site differences and inhibitor coordination modes on the selective separation of CuFeS 2 and MoS 2 in Cu 2+ -containing systems. The results suggest that the copper sites within the crystal lattice may be unable to form chelate rings with ADT, possibly due to geometric constraints imposed by the lattice coordination environment. In contrast, coordinated copper sites on the surface of CuFeS 2 may form chelate rings with ADT, thereby enhancing the inhibitory effect. The coordinated copper sites on the surface of MoS 2 may also exhibit a strong affinity for ADT, which hinders the selective separation of CuFeS 2 and MoS 2 . In comparison, STC exhibited a relatively weaker inhibitory effect on MoS 2 . Therefore, selecting reagents with appropriate structures may mitigate the adverse effects of Cu 2+ to some extent. These results suggest that monodentate ligand-based inhibitors containing multiple polar functional groups could be promising candidates for CuFeS 2 -MoS 2 separation in Cu 2+ systems. In addition, since Cu 2+ adsorbs more strongly to the surface of CuFeS 2 than to MoS 2 , and in combination with the control of Cu 2+ concentration, it is expected that the interference from Cu 2+ can be further reduced. This study provides new insights into the selection and design of MoS 2 -CuFeS 2 separation inhibitors in Cu 2+ -containing systems. Download: Download high-res image (300KB) Download: Download full-size image
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）