JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2021
·
IF 8.128
Ahmed Mahmoud Idris,Xinyan Jiang,Jun Tan,Zhenzhi Cai,Xiaodan Lou,Jin Wang,Zhengquan Li
Dye-sensitized system holds great potential for the development of visible-light-responsive photocatalysts not only because it can enhance the light absorption and charge separation efficiency of the systems but also because it can tune the band structure of catalysts. Herein, two-dimensional (2D) Fe-MOF nanosheets (Fe-MNS) with a LUMO potential of 0.11 V ( vs. RHE) was prepared. Interestingly, it has been found that when the 2D Fe-MNS catalyst was functionalized with visible-light-responsive [Ru(bpy)] 3 2+ as a dye-sensitizer, the electrons from the [Ru(bpy)] 3 2+ can effectively inject into the 2D Fe-MNS, which resulted in a negative shift of the LUMO potential of the 2D Fe-MNS to −0.15 V ( vs. RHE). Consequently, the [Ru(bpy)] 3 2+ /Fe-MNS catalytic system exhibits a sound photocatalytic CO 2 -to-CO activity of 1120 μmol g -1 h −1 under visible-light-irradiation. The photocatalytic CO production was further ameliorated by regulating the electronic structure of the 2D Fe-MNS by doping Co ions , achieving a remarkable photocatalytic activity of 1637 μmol g -1 h −1 . This work further supports that the dye-sensitized system is an auspicious strategy worth exploring with different catalysts for the development of visible-light-responsive photocatalytic systems.
研究领域:
材料科学
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环境科学
·
化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
APPLIED CATALYSIS B-ENVIRONMENTAL
·
2022
·
IF 24.319
Junxian Qin,Yun Pei,Yue Zheng,Daiqi Ye,Yun Hu
Fe-MOF derivative (M-300) is successfully prepared by thermal treatment using MIL-100(Fe) as a precursor. The resulting M-300 catalyst displays excellent performance in the degradation of volatile organic compounds (VOCs) and the bacteriostasis to Escherichia coli under the visible light. In addition, the catalyst also exhibits the capacity of acetaldehyde degradation under actual sunlight. The high activity is attributed to the abundant exposure of the unsaturated Fe 2+ active site, which can significantly promote the transfer of photogenerated electron and the oxygen reduction process, thus improving the efficiency of the entire photocatalytic oxidation reaction. This work shows the application prospect of MOFs derivatives in the field of indoor photocatalytic purification, and also provides a new insight into the study of catalyst modification in photocatalytic degradation of pollutants.
研究领域:
材料科学
·
环境科学
✓ 已验证
产品关联
DOI
高影响因子
ChemNanoMat
·
2024
·Vol. 10
·期 8
·e202400240
·
IF 2.6
Xuetong Xu,Xu Jia,Cong Liu,Jiaolong Qiao,Fuying Wang,Liuxue Zhang,Dan Yang,Yuan Zhang,Xiulian Wang
The photocatalytic hydroxylation of benzene to phenol is an important reaction for the synthesis of fine chemicals and pharmaceuticals. However, the development of efficient and selective photocatalysts for this reaction remains a challenge. Here, a highly active and selective Fe-MOF/2D-montmorillonite (Fe-MOF/MMT) photocatalyst was prepared via an in-situ method for the hydroxylation of benzene to phenol under the visible light irradiation. The Fe-MOF/MMT composite exhibited excellent photocatalytic performance, with phenol yield of 30.3 % and benzene selectivity of 96.5 % within 4 hours. The high activity and selectivity of the Fe-MOF/MMT photocatalyst were attributed to the synergistic effect between the Fe-MOF and MMT, as well as the unique 2D structure of MMT, which facilitated charge separation and transfer. The Fe-MOF/MMT composite also showed good stability and re-used without significant decrease of activity. This study demonstrated that the potential of Fe-MOF/MMT as a highly efficient and selective photocatalyst for the hydroxylation of benzene to phenol and provided an insight into the design of advanced photocatalysts for sustainable chemical synthesis.
研究领域:
材料科学
·
环境化学
✓ 已验证
产品关联
DOI
高影响因子
ACS Nano
·
2023
·
IF 17.1
Zhiwei Chen,Yaoji Sun,Jiawei Wang,Xi Zhou,Xiangjian Kong,Jiashen Meng,Xingcai Zhang
The intelligent responsive drug delivery system has great application potential in cancer precision therapy. Although many antitumor methods have been developed based on drug delivery systems, most of them yet suffer from poor antitumor efficiency. In this project, a near-infrared and pH dual-response multimodal collaborative platform for diagnosis and treatment (PCN-DOX@PDA) was constructed. We used PCN-600 as a vehicle loaded with antineoplastic drugs and polydopamine (PDA). Under 633 nm laser irradiation, the ligand tetrakis(4-carboxyphenyl)porphyrin (TCPP) in PCN-600 can generate singlet oxygen (1O2) and kill tumor cells. PDA is used as photothermal agent of PTT. PCN-DOX@PDA achieves the intelligent release of antitumor drugs by responding to the weak acidity of the tumor microenvironment and thermal stimulation generated by NIR irradiation. In addition, since the central ion of PCN is Fe3+, PCN-DOX@PDA realizes the diagnosis and treatment of tumors through magnetic resonance imaging-mediated tumor chemotherapy and photothermal and photodynamic synergistic therapy. This triple synergistic strategy showed excellent biocompatibility and antitumor ability in in vivo experiments on a 4T1 tumor-bearing mouse model, indicating that PCN-DOX@PDA has a good development prospect in the field of precision cancer therapy and diversified biomedical applications.
研究领域:
生物医学工程
·
癌症治疗
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材料科学
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纳米技术
✓ 已验证
产品关联
DOI
PubMed
高影响因子
MICROCHEMICAL JOURNAL
·
2025
·
IF 5.1
Renjie Wang,Yifan Zhu,Shanshan Liu,Kai Jiang,Runan Wang,Shuangshuang Ji,Mengyao Ma,Qianqian Chen,Huijuan Ran,Xudong Song
Uric acid (UA) levels serve as pivotal health biomarkers, underscoring the need for accurate detection methodologies. This paper presents a novel and straightforward electrochemical approach for UA detection, utilizing a sensing platform that integrates hybrid electrodes of Fe-MOF and polypyrrole (PPy). The findings reveal that the sensor shows exceptional sensitivity to UA across a wide concentration range of 1–300 µM, featuring an impressively low limit of detection (LOD) at 0.212 µM. Moreover, the sensor retains a peak current response of 87.2 % even after one month, underscoring its excellent stability and robust anti-interference properties. The improved sensing performance is due to the composite material’s retention of PPy’s superior electronic transport characteristics, combined with the enhanced specific surface area, active sites, and porosity contributed by the Fe-MOF component, leading to a substantial enhancement in electrochemical sensing capabilities. This research paves the way for the utilization of MOF nanomaterials in electrochemical sensing, thereby facilitating the practical application of nanocomposites.
研究领域:
生物医学工程
·
分析化学
✓ 已验证
产品关联
DOI
高影响因子
Journal of Environmental Chemical Engineering
·
2022
·
IF 7.968
Yuwei Xue,Lihua Liu,Ting Zhang,Ziqi Zhu,Mingjun Xu,Qian Zhang,Junming Hong
There has been growing attention in the combination of metal oxide nanoparticles with metal-organic frameworks (MOFs) for the synergistically intensified catalytic activity . Herein, functional Fe-MOF@Mn 2 O 3 composites were synthesized to activate peroxymonosulfate (PMS) for 4-Cholophenol (4-CP) degradation via a hydrothermal and calcination method. Under the reaction parameters of 2 mM PMS, 0.2 g/L catalyst dosage, and pH 7.0, 91.4% of 4-CP (10 mg/L) could effectively be degraded within 60 min (2.2-fold increase in reaction rate constant compared with pure Mn 2 O 3 ). The excellent degradation performance of Fe-MOF@Mn 2 O 3 /PMS system was attributed to the surface hydroxyl and synergistic effect between iron and manganese. Quenching reaction and EPR analysis revealed both sulfate (•SO 4 - ) and hydroxyl radicals (•OH) were responsible for 4-CP degradation. The Fe-MOF@Mn 2 O 3 composite exhibited intensive catalytic capability as well as electron transfer efficiency according to the electrochemical measurements. Meanwhile, the possible degradation pathways were proposed by analyzing intermediates via LC-MS detection. The results indicates that the Fe-MOF@Mn 2 O 3 /PMS system is effective and adaptable for the treatment of 4-CP in different water conditions.
研究领域:
环境科学
·
催化材料
✓ 已验证
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2020
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IF 3.99
De-Yu Gao,Zan Liu,Zhi-Lin Cheng
The crucial challenge of 2D inorganic nanomaterials-filled composite hydrogel with outstanding mechanical properties was concentrated on the surface modification that was capable to access a better interface between 2D inorganic nanomaterials and hydrogel in past. In this paper, for the first time, we extensively studied the application of as-synthesized 2D Ni-Fe MOF nanosheets with natural organic interface and interlayer structure in PVA hydrogel. The morphology and structure of the as-prepared 2D Ni-Fe MOF/PVA composite hydrogels were determined by a series of characterizations. The results indicated that the as-prepared 2D Ni-Fe MOF/PVA composite hydrogel with porous structure exhibited a desirable dispersion due to the existence of the potential interfacial interaction. Furthermore, the swelling, mechanical and tribological properties of the composite hydrogel were intensively investigated. Dramatically, the tensile strength and compression modulus of the as-prepared 2D Ni-Fe MOF/PVA with 0.1 wt.% filling content were increased by 62.5 % and 113 % relative to pure PVA hydrogel, respectively. Owing to the presence of the interlayer structure of 2D Ni-Fe MOF nanosheets, the friction coefficient of the 2D Ni-Fe/PVA composite hydrogel with 0.15 wt.% filling content was reduced by 41 % compared to pure PVA hydrogel.
研究领域:
材料科学
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化学工程
✓ 已验证
产品关联
DOI
高影响因子
Food Chemistry-X
·
2024
·
IF 6.5
Xu Yiwei,Jia Xupeng,Yang Sennan,Cao Mengrui,He Baoshan,Ren Wenjie,Suo Zhiguang
An aptasensor with dual-outputs was developed for malathion detection. Fe-MOF was synthesized to design favorable signal probes for catalytic amplification. Owing to the excellent peroxidase-like activity of Fe-MOF, the redox reaction was catalyzed to produce the dual-outputs of colorimetric and electrochemical. In this sensing strategy, malathion was captured by the aptamer on sensing interface, leading to the release of signal probe. Thanks to the catalytic amplification of Fe-MOF and the high capture effect of aptamer, the aptasensor produced a sensitive response for malathion. Based on the dual-signals of absorbance and current, the detection method for malathion was developed ranging from 10 ng/mL to 500 ng/mL. The detection limit of malathion was 5.8 ng/mL for colorimetric output and 4.6 ng/mL for electrochemical output. Furthermore, the aptasensor exhibited high specificity and good repeatability in malathion detection. Finally, the aptasensor was applied to detect malathion in fruit and vegetable samples with satisfactory recovery.
研究领域:
分析化学
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环境科学
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生物传感技术
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
·
2023
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IF 4.3
Yunxin Shi,Liying Wang,Xin Miao,Zhenzhu Cao,Yongfeng Zhang,Lin Cheng,Jucai Yang
A series of donut-like nanostructured heterojunction materials are first synthesized via one-step solvothermal method to improve the photocatalytic efficiency for the environmental pollutants. The unique donut-like Fe-doped-BiOCl@Fe-MOF heterojunction with uniform size guarantees suitable surface area and many active sites for the model pollutant. The optimal photocatalytic efficiency is shown in degradation of RhB (99.0 %, 90 min) and TC (90.4 %, 90 min) solution, which had higher photocatalytic efficiency than a variety of similar materials previously reported. The result revealed that the enhancing photocatalytic activity is mainly depended on the synergistic effect of Fe-MOF and Fe-doped BiOCl. The possible mechanism is further studied, which shown h + and O 2 − are the primary active species in the degradation process of RhB and TC solution. Meantime, Fe-doped BiOCl@Fe-MOF with the excellent reusability and stability. After the fourth cycle, the degradation rate of RhB solution can still be as high as 86.4 %. In this work, we provide a higher efficiency heterojunction photocatalytic material by varying the organic ligand content.
研究领域:
环境科学
·
材料科学
✓ 已验证
产品关联
DOI
高影响因子
MICROCHIMICA ACTA
·
2024
·Vol. 191
·期 6
·1-13
·
IF 5.3
Gao Lu,Zhang Ling,Yang Juanli,Ma Tong,Wang Bo,Yang Huan,Lin Feng,Xu Xuechao,Yang Zhen-quan
A broad host range phage-based nanozyme (Fe-MOF@SalmpYZU47) was prepared for colorimetric detection of multiple Salmonella enterica strains. The isolation of a broad host range phage (SalmpYZU47) capable of infecting multiple S. enterica strains was achieved. Then, it was directly immobilized onto the Fe-MOF to prepare Fe-MOF@SalmpYZU47, exhibiting peroxidase-like activity. The peroxidase-like activity can be specifically inhibited by multiple S. enterica strains, benefiting from the broad host range capture ability of Fe-MOF@SalmpYZU47. Based on it, a colorimetric detection approach was developed for S. enterica in the range from 1.0 × 10 2 to 1.0 × 10 8 CFU mL −1 , achieving a low limit of detection (LOD) of 11 CFU mL −1 . The Fe-MOF@SalmpYZU47 was utilized for detecting S. enterica in authentic food samples, achieving recoveries ranging from 91.88 to 105.34%. Hence, our proposed broad host range phage-based nanozyme exhibits significant potential for application in the colorimetric detection of pathogenic bacteria. Graphical Abstract
研究领域:
微生物学
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食品科学
·
纳米技术
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Journal of Inorganic and Organometallic Polymers and Materials
·
2023
·
IF 4
Zhang Xue-Feng,Chang Tian-Long,Guo Na,Jia Guo-Liang,Li Xiao-Bing,Zhao Zhao-Ye,Wang Hui,Wang Jun-Chuan,Wu Xiang-Feng,Pan Cheng-Si,Liu Lei,Yang Lin-Lin
Fe-based MOFs (Fe-MOFs) are excellent photocatalysts and have synergy well with Fenton reagents relative to other MOFs. In this work, a series of uniformly covered NH 2 -Fe-MIL-88B@TpPa-1-COF composites were synthesized using an in-situ anchoring growth strategy, which used F127 as functional molecule to decorate NH 2 -Fe-MIL-88B nanoparticles to eliminate their surface electrostatic repulsion with Tp molecules during the subsequent coating procedure. Meanwhile, the -NH 2 groups in the skeleton of NH 2 -Fe-MIL-88B could also be used as anchors to covalently connect TpPa-1-COF shell and migration channels for effective charge transfer. This uniformly covered core–shell structure would endow these composites with much more contact area and imine bond linkage between the Fe-MOFs core and COFs shell. Compared with the random packing structure, the uniformly covered Fe-MOF@COF-3 composite possessed a higher proportion of Fe 2+ to Fe 3+ . As a result, the optimized Fe-MOF@COF-3 catalyst could achieve the highest photo-Fenton degradation efficiency of 93.9% for tetracycline hydrochloride (TC⋅HCl), which was much higher than 54.8% of pure NH 2 -Fe-MIL-88B. In addition, the uniform TpPa-1-COF shell could further effectively enhance the stability of NH 2 -Fe-MIL-88B by protecting Fe ions from leaching, and the toxicity of the water samples treated with our photo-Fenton degradation process declined obviously. All these merits will endow Fe-MOF@COF-3 photo-Fenton catalyst great potential application value as in the field of environmental governance.
研究领域:
材料科学
·
环境科学
·
催化
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2025
·
IF 9.7
Yaping Zhang,Yanan Zhao,Yixin Qi,Yanyan Lin,Yuhang Cheng,Mengmeng Sun,Lei Wang
Photogenerated holes have emerged as critical mediators for activating peroxymonosulfate (PMS) in the coupled photocatalytic PMS activation system, enabling novel dual-channel activation pathway. A tandem system based on Fe-MOF@BiVO 4 (Vis/PMS/Fe-MOF@BVO) with spatially separated active sites was constructed to form a dual-channel activation mechanism. The BiVO 4 (010) face provides the active sites for photogenerated electrons to drive the Fe 3+ /Fe 2+ cycle and activate PMS, while the BiVO 4 (110) face serves as the active sites for photogenerated holes to activate PMS. Consequently, the Vis/PMS/Fe-MOF@BVO system achieved complete degradation of 10 mg/L BPA within 6 min, with a degradation rate constant (K obs ) of 0.74 min −1 . It also demonstrated high removal efficiency for various organic pollutants with excellent immunity to interference and reusability. This work provides a new insight into the coordinative mechanism for coupled photocatalysis and PMS activation system.
研究领域:
环境科学
·
材料科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）