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学者姓名：魏晋欣
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Abstract ：
Developing efficient photocatalysts is one of green and low cost tactic for addressing the environmental deterioration and energy crisis. Therefore, it remains a fantastic and important strategy to design an efficient junction between different semiconductors for harvesting solar light, boosting the redox capability. Herein, the fabrication of ZnS in situ decorated CdIn2S4 (referred to as CIS-Zx) were prepared by converting ZnS particles on Cd2In4S surface by a facile cation exchange method during solvothermal synthesis. According to a series of PEC measurements and DFT calculations, the bending of band edge as well as the establishing of built-in electric field in the interface of CIS/ZnS heterojunction were concluded, causing the formation of in-situ S-scheme heterojunctions in CdIn2S4/ZnS. The in-situ S-scheme heterojunctions can effectively ameliorate the migration behaviors of photo-generated charges. Compared with pure CdInS4, ZnS and physically mixed CdIn2S4/ZnS, the CIS-Zx in-situ S-scheme heterojunction exhibits efficient photocatalytic activity and stability in the selective reduction of aromatic nitro compounds and oxidation of aromatic alcohols, it is hoped that this work will open up a new avenue for innovative applications of in-situ S-scheme heterojunctions.
Keyword ：
Heterojunction Heterojunction Metal sulfide Metal sulfide Selective redox capability Selective redox capability S -scheme S -scheme
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| GB/T 7714 | Liang, Zhi-yu , Zhan, Er-da , Wang, Ying et al. Fabrication of CdIn2S4/ZnS S-scheme heterojunction via in-situ phase transformation for boosting photocatalytic conversion of organic compounds [J]. | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2024 , 92 : 300-311 . |
| MLA | Liang, Zhi-yu et al. "Fabrication of CdIn2S4/ZnS S-scheme heterojunction via in-situ phase transformation for boosting photocatalytic conversion of organic compounds" . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 92 (2024) : 300-311 . |
| APA | Liang, Zhi-yu , Zhan, Er-da , Wang, Ying , Zhuang, Guo-xin , Wei, Jin-xin , Wen, Yong-lin . Fabrication of CdIn2S4/ZnS S-scheme heterojunction via in-situ phase transformation for boosting photocatalytic conversion of organic compounds . | INTERNATIONAL JOURNAL OF HYDROGEN ENERGY , 2024 , 92 , 300-311 . |
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在新工科建设的时代背景下,如何全面落实劳动教育是高校实践教学研究面临的重大问题.为此,本文从再现性劳动到创造性劳动,探讨了劳动教育与工程训练课程的多维深度融合.工程训练课程与劳动教育具有天然密不可分的联系,既能实现实践育人的目标,又能提高大学生的劳动素养.本文建设了基于激光加工的多层次纵向递进式劳动教育课程,进行了初步实践.实践证明工程训练课程发挥其独特的综合育人价值,为高校全面落实劳动教育找到了重要的着力点.
Keyword ：
劳动教育 劳动教育 工程训练 工程训练 "微创业+劳动实践" "微创业+劳动实践" 课程新模式 课程新模式
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| GB/T 7714 | 张丽娇 , 黄捷 , 魏晋欣 et al. 创造性劳动教育融入工程训练的课程新模式研究与实施路径 [J]. | 秦智 , 2023 , (12) : 115-117 . |
| MLA | 张丽娇 et al. "创造性劳动教育融入工程训练的课程新模式研究与实施路径" . | 秦智 12 (2023) : 115-117 . |
| APA | 张丽娇 , 黄捷 , 魏晋欣 , 陈为平 . 创造性劳动教育融入工程训练的课程新模式研究与实施路径 . | 秦智 , 2023 , (12) , 115-117 . |
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Laboratory safety education is fundamental to the smooth conduct of scientific research. Traditional educational models are often limited in interactivity and real-time feedback and they struggle to satisfy the increasing needs of laboratory safety management. This study aims to enhance the interactivity and efficacy of laboratory safety education by adopting machine learning-enhanced image processing technologies. To cope with the noise issue in hazardous behavior data within laboratories, wavelet threshold denoising is applied to significantly improve data usability. To deal with the imbalance in data samples of laboratory hazard behaviors, an adaptive boundary data augmentation algorithm is introduced to balance the dataset and strengthen the model's generalization capability. A breakthrough in extracting spatio-temporal features of hazardous behaviors in laboratories is achieved through an improved Spatio-Temporal Graph Convolutional Network (STGCN) model, enabling effective recognition and classification of hazardous behaviors. The outcome attained in this study has important implications for enhancing the interactivity and practicality of laboratory safety education and it can expand new research directions for the application of machine learning in the field of image processing.
Keyword ：
data augmentation data augmentation hazardous behavior recognition hazardous behavior recognition laboratory safety education laboratory safety education machine learning, image processing machine learning, image processing Spatio-Temporal Graph Convolutional Network (ST-GCN) Spatio-Temporal Graph Convolutional Network (ST-GCN) wavelet threshold denoising wavelet threshold denoising
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| GB/T 7714 | Zhang, Lijiao , Wu, Jianzhen , Wei, Jinxin et al. Enhanced Laboratory Safety Education Through Interactive Applications of Machine Learning-Boosted Image Processing Technologies [J]. | TRAITEMENT DU SIGNAL , 2023 , 40 (6) : 2623-2633 . |
| MLA | Zhang, Lijiao et al. "Enhanced Laboratory Safety Education Through Interactive Applications of Machine Learning-Boosted Image Processing Technologies" . | TRAITEMENT DU SIGNAL 40 . 6 (2023) : 2623-2633 . |
| APA | Zhang, Lijiao , Wu, Jianzhen , Wei, Jinxin , Yu, Xiaoyan , Yu, Jie , Yuan, Bo . Enhanced Laboratory Safety Education Through Interactive Applications of Machine Learning-Boosted Image Processing Technologies . | TRAITEMENT DU SIGNAL , 2023 , 40 (6) , 2623-2633 . |
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金属有机框架(MOFs)材料因其高孔隙率特性在气体吸附分离、药物传递、催化等领域具有广泛应用.近年来,将功能化纳米颗粒(NPs)封装在MOFs中的研究在催化领域引起了科学家的兴趣.其中,较大比表面积的MOFs可以为NPs的分散和固定提供理想的平台,而NPs反过来可以为催化反应引入更多的活性位点,提高催化效率.然而, MOFs本身的孔隙常局限于微孔(<2 nm),这极大地限制了NPs在MOFs孔隙中的有效封装.因此,设计并制备含有介孔(2-50 nm)或大孔(>50nm)的多级孔MOFs,揭示其孔径大小对复杂NPs/MOFs复合催化剂催化性能的影响具有重要意义.然而,具有不同孔径MOFs的可控制...
Keyword ：
多级孔金属有机框架材料 多级孔金属有机框架材料 孔尺寸效应 孔尺寸效应 纳米笼 纳米笼 纳米粒子/金属有机框架复合材料 纳米粒子/金属有机框架复合材料 纳米限域 纳米限域
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| GB/T 7714 | 魏晋欣 , 陈雅文 , 张鸿洋 et al. S-型分级多孔CdS/UiO-66光催化剂的构建实现4-硝基苯胺的高效还原（英文） [J]. | Chinese Journal of Catalysis , 2021 , 42 (01) : 78-86 . |
| MLA | 魏晋欣 et al. "S-型分级多孔CdS/UiO-66光催化剂的构建实现4-硝基苯胺的高效还原（英文）" . | Chinese Journal of Catalysis 42 . 01 (2021) : 78-86 . |
| APA | 魏晋欣 , 陈雅文 , 张鸿洋 , 庄赞勇 , 于岩 . S-型分级多孔CdS/UiO-66光催化剂的构建实现4-硝基苯胺的高效还原（英文） . | Chinese Journal of Catalysis , 2021 , 42 (01) , 78-86 . |
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Unveiling the pore-size performance of metal organic frameworks (MOFs) is imperative for controllable design of sophisticated catalysts. Herein, UiO-66 with distinct macropores and mesopores were intentionally created and served as substrates to create advanced CdS/UiO-66 catalysts. The pore size impacted the spatial distribution of CdS nanoparticles (NPs): CdS tended to deposit on the external surface of mesoporous UiO-66, but spontaneously penetrated into the large cavity of macroporous UiO-66 nanocage. Normalized to unit amount of CdS, the photocatalytic reaction constant of macroporous CdS/UiO-66 over 4-nitroaniline reduction was similar to 3 folds of that of mesoporous counterpart, and outperformed many other reported state-of-art CdS-based catalysts. A confinement effect of CdS NPs within UiO-66 cage could respond for its high activity, which could shorten the electron-transport distance of NPs-MOFs-reactant, and protect the active CdS NPs from photocorrosion. The finding here provides a straightforward paradigm and mechanism to rationally fabricate advance NPs/ MOFs for diverse applications. (C) 2021, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
Keyword ：
Hierarchically porous MOFs Hierarchically porous MOFs Nanocage Nanocage Nanoconfinement Nanoconfinement NPs/MOFs NPs/MOFs Pore-size Effect Pore-size Effect
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| GB/T 7714 | Wei, Jinxin , Chen, Yawen , Zhang, Hongyang et al. Hierarchically porous S-scheme CdS/UiO-66 photocatalyst for efficient 4-nitroaniline reduction [J]. | CHINESE JOURNAL OF CATALYSIS , 2021 , 42 (1) : 78-86 . |
| MLA | Wei, Jinxin et al. "Hierarchically porous S-scheme CdS/UiO-66 photocatalyst for efficient 4-nitroaniline reduction" . | CHINESE JOURNAL OF CATALYSIS 42 . 1 (2021) : 78-86 . |
| APA | Wei, Jinxin , Chen, Yawen , Zhang, Hongyang , Zhuang, Zanyong , Yu, Yan . Hierarchically porous S-scheme CdS/UiO-66 photocatalyst for efficient 4-nitroaniline reduction . | CHINESE JOURNAL OF CATALYSIS , 2021 , 42 (1) , 78-86 . |
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It is fascinating yet challenging to assemble anisotropic nanowires into ordered architectures of high complexity and intriguing functions. We exploited a facile strategy involving oriented etching of a metal-organic fragment (MOF) to advance the rational design of highly ordered nanostructures. As a proof of concept, a microscale MIL-68(In) single crystal was etched with a K-3[Co(CN)(6)] solution to give a microtube composed of aligned MIL-68(In) nanorods. Annealing such a MIL-68(In) microtube readily created an unprecedented branched In2O3 mesocrystal by assembly of In2O3 nanorods aligned in order. The derived ordered-In2O3-ZnIn2S4 is more efficient in catalyzing visible-light-driven H-2 evolution (8753 mu mol h(-1) g(-1)) outperforming the disordered-In2O3-ZnIn2S4 counterpart (2700 mu mol h(-1) g(-1)) as well as many other state-of-the-art ZnIn2S4-based photocatalysts. The ordered architecture significantly boosts the short-range electron transfer in an In2O3-ZnIn2S4 heterojunction but has a negligible impact on the long-range electron transfer among In2O3 mesocrystals. The density functional theory (DFT) calculation reveals that the oriented etching is achieved by the selective binding of the [Co(CN)(6)](3-) etchant on the (110) plane of MIL-68(In), which can drag the In atoms out of the framework in order. Our findings could broaden the technical sense toward advanced photocatalyst design and impose scientific impacts on unveiling how ordered photosystems operate.
Keyword ：
heterojunction heterojunction hydrogen evolution hydrogen evolution mesocrystal mesocrystal MOF MOF ordered assembly ordered assembly photocatalysis photocatalysis
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| GB/T 7714 | Zhuang, Guoxin , Fang, Qihui , Wei, Jinxin et al. Branched In2O3 Mesocrystal of Ordered Architecture Derived from the Oriented Alignment of a Metal-Organic Framework for Accelerated Hydrogen Evolution over In2O3-ZnIn2S4 [J]. | ACS APPLIED MATERIALS & INTERFACES , 2021 , 13 (8) : 9804-9813 . |
| MLA | Zhuang, Guoxin et al. "Branched In2O3 Mesocrystal of Ordered Architecture Derived from the Oriented Alignment of a Metal-Organic Framework for Accelerated Hydrogen Evolution over In2O3-ZnIn2S4" . | ACS APPLIED MATERIALS & INTERFACES 13 . 8 (2021) : 9804-9813 . |
| APA | Zhuang, Guoxin , Fang, Qihui , Wei, Jinxin , Yang, Chengkai , Chen, Muqing , Lyu, Zikun et al. Branched In2O3 Mesocrystal of Ordered Architecture Derived from the Oriented Alignment of a Metal-Organic Framework for Accelerated Hydrogen Evolution over In2O3-ZnIn2S4 . | ACS APPLIED MATERIALS & INTERFACES , 2021 , 13 (8) , 9804-9813 . |
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Nanoscale metal-organic frameworks (nano-MOFs) with unique open architectures offer great advantages for constructing fascinating functional materials, but their configurations are largely limited to mesoporous or hollow structures. Both the rational design of nano-MOFs with sophisticated structures and the comprehensive knowledge of their formation mechanism remain an interesting research topic. In this work, we reported a highly peculiar zigzag crystal of a Prussian blue analogue (PBA) bearing the ensemble of walls with uniform thickness (similar to 60 nm) in three-dimensional space. Such "Z"-like PBA was acquired by the preferential etching of two opposing corners of its parent NiCo-PBA cubes that was pre-doped by metal ligand ions (i. e., [Fe(CN)(6)](3-)). Mechanistic studies suggested that the anisotropic etching seemed to arise from the heterogeneous growth and inhomogeneous spatial distribution of the FeIII and FeII (stemming from redox reaction of FeIII) species, even though all the metal elements (including Fe, Co, and Ni) were evenly dispersed in each individual cube as indicated by HAADF-STEM and linear EDS scan analyses. The open "Z" structure provided larger surface area and a greater number of active sites to activate reagents in catalytic reaction and enhanced the degradation efficiency in removing bisphenol A from aqueous solution with PMS. The current findings are expected to pave way for a fine tuning the structures and properties of MOFs, and encourage extended research on developing novel anisotropic crystals.
Keyword ：
Anisotropic etching Anisotropic etching Doping Doping Prussian blue analogue Prussian blue analogue Spatial distribution Spatial distribution Zigzag Zigzag
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| GB/T 7714 | Ye, Jiahua , Zhuang, Guoxin , Wen, Yonglin et al. Three-dimensional zigzag Prussian blue analogue and its derivates for bisphenol A scavenging: Inhomogeneous spatial distribution of Fe-III in anisotropic etching of PBA [J]. | CHEMICAL ENGINEERING JOURNAL , 2019 , 372 : 260-268 . |
| MLA | Ye, Jiahua et al. "Three-dimensional zigzag Prussian blue analogue and its derivates for bisphenol A scavenging: Inhomogeneous spatial distribution of Fe-III in anisotropic etching of PBA" . | CHEMICAL ENGINEERING JOURNAL 372 (2019) : 260-268 . |
| APA | Ye, Jiahua , Zhuang, Guoxin , Wen, Yonglin , Wei, Jinxin , Chen, Jinghe , Zhuang, Zanyong et al. Three-dimensional zigzag Prussian blue analogue and its derivates for bisphenol A scavenging: Inhomogeneous spatial distribution of Fe-III in anisotropic etching of PBA . | CHEMICAL ENGINEERING JOURNAL , 2019 , 372 , 260-268 . |
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Core-shell MOF@MOF structures are good candidates for the design of diverse multifunctional materials with intriguing properties. Conventional seed-induced growth procedures to create MOF@MOF usually suffer from limitations including the unavoidable nucleation/growth of the shell MOF in solution and the inevitable agglomeration of seeds. For the first time, an ion-modulation (Fe3+ as the indicator) strategy is demonstrated to realize one-pot synthesis of monodisperse MOF@MOF composed of two distinct Prussian blue analogues (PBAs). It utilized a finite amount of Fe3+ to induce a partial phase transition and generate new PBA nanoparticles epitaxially growing on the original PBA core. The as-prepared PBA@PBA with a distinct morphology, readily tunable by controlling the dose of dopant ions, can serve as a template for the creation of PBA nanocages with uncommon and tunable shapes for efficient phenol scavenging. The findings here pave the way for the rational design of MOFs with high complexity, good structural flexibility, and desirable activity.
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| GB/T 7714 | Wu, Shenjie , Zhuang, Guoxin , Wei, Jinxin et al. Shape control of core-shell MOF@MOF and derived MOF nanocages via ion modulation in a one-pot strategy [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2018 , 6 (37) : 18234-18241 . |
| MLA | Wu, Shenjie et al. "Shape control of core-shell MOF@MOF and derived MOF nanocages via ion modulation in a one-pot strategy" . | JOURNAL OF MATERIALS CHEMISTRY A 6 . 37 (2018) : 18234-18241 . |
| APA | Wu, Shenjie , Zhuang, Guoxin , Wei, Jinxin , Zhuang, Zanyong , Yu, Yan . Shape control of core-shell MOF@MOF and derived MOF nanocages via ion modulation in a one-pot strategy . | JOURNAL OF MATERIALS CHEMISTRY A , 2018 , 6 (37) , 18234-18241 . |
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Hollow metal-organic frameworks (MOFs) are of considerable research interest, but they usually contain only a single chemical component, and their spherical or randomly distributed voids may not have ideal properties. In this work, we found that incorporating WO42- ions into UiO-66 could realize a fine caving of the single crystals, which created W/UiO-66 nanocages with an uncommon and well-defined channel structure. Inspiringly, the width of the channel could be tuned on the nanoscale (80-140 nm) by varying the dose of WO42- in the etching reaction. Despite the accommodation of abundant W, the as-formed nanocages were of high crystallinity, which was confirmed by HRTEM images collected using a K2IS direct-detection electron-counting camera. As a result, the channel structure, which was well preserved after annealing, and the incorporation of W endowed the calcined W/UiO-66 nanocages with highlyimproved activity in the oxygen reduction reaction (ORR). This synthetic strategy could also be applied to creating Mo-bearing UiO-66 nanocages, and may inspire the rational design of other intricate MOFs.
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| GB/T 7714 | Wei, Jinxin , Cheng, Niancai , Liang, Zhiyu et al. Heterometallic metal-organic framework nanocages of high crystallinity: an elongated channel structure formed in situ through metal-ion (M = W or Mo) doping [J]. | JOURNAL OF MATERIALS CHEMISTRY A , 2018 , 6 (46) : 23336-23344 . |
| MLA | Wei, Jinxin et al. "Heterometallic metal-organic framework nanocages of high crystallinity: an elongated channel structure formed in situ through metal-ion (M = W or Mo) doping" . | JOURNAL OF MATERIALS CHEMISTRY A 6 . 46 (2018) : 23336-23344 . |
| APA | Wei, Jinxin , Cheng, Niancai , Liang, Zhiyu , Wu, Yufeng , Zou, Zhigang , Zhuang, Zanyong et al. Heterometallic metal-organic framework nanocages of high crystallinity: an elongated channel structure formed in situ through metal-ion (M = W or Mo) doping . | JOURNAL OF MATERIALS CHEMISTRY A , 2018 , 6 (46) , 23336-23344 . |
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Hierarchical metals oxide nanostructure derived from annealing of metal-organic frameworks (MOFs) usually have large particle size and low specific surface area and, as a result their activities, become limited. In this work, we incorporated KMnO4 into Prussian blue (PB) microcubes and obtained Mn-doped alpha-Fe2O3 nanoboxes by annealing the complex. We found that KMnO4 stayed inside the pores of the PB framework and restricted the crystal growth of alpha-Fe2O3 during annealing. Consequently, the Mn-doped Fe2O3 nanoboxes have small particle size, large specific area (452 m(2)/g), and a significant amount of adsorbed oxygen in the form of OH- on the surface as determined by X-ray photoelectron spectroscopy. It could serve as an adsorbent to quickly remove the trace-level (40 mg/L) Pb2+ from water. Within 1 min, this nanoadsorbent (0.2 g/L) extracted >70% Pb2+ in the solution, and >91.6% in 15 min. Besides, it also selectively captures Pb2+ (40 mg/L) from a synthetic Pb/Zn mining wastewater containing Zn2+ (40 mg/L) and various kinds of interfering ions (Na+, K+, Mg2+, Ca2+, SO42, NO3-, Cl-). The maximizing capacity of Pb2+ reaches to 900 mg/g when treating concentrated Pb2+ solution (1g/L). The spent adsorbent could be easily retrieved from the solution by magnetic separation. We anticipate the findings here will help to inspire the design of other novel MOFs-derived nanomaterials.
Keyword ：
Hierarchical nanomaterials Hierarchical nanomaterials Magnetic separation Magnetic separation Metal-organic frameworks Metal-organic frameworks Prussian blue Prussian blue Selective extraction Selective extraction
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| GB/T 7714 | Mo, Qiaoling , Wei, Jinxin , Jiang, Keyi et al. Hollow alpha-Fe2O3 Nanoboxes Derived from Metal Organic Frameworks and Their Superior Ability for Fast Extraction and Magnetic Separation of Trace Pb2+ [J]. | ACS SUSTAINABLE CHEMISTRY & ENGINEERING , 2017 , 5 (2) : 1476-1484 . |
| MLA | Mo, Qiaoling et al. "Hollow alpha-Fe2O3 Nanoboxes Derived from Metal Organic Frameworks and Their Superior Ability for Fast Extraction and Magnetic Separation of Trace Pb2+" . | ACS SUSTAINABLE CHEMISTRY & ENGINEERING 5 . 2 (2017) : 1476-1484 . |
| APA | Mo, Qiaoling , Wei, Jinxin , Jiang, Keyi , Zhuang, Zanyong , Yu, Yan . Hollow alpha-Fe2O3 Nanoboxes Derived from Metal Organic Frameworks and Their Superior Ability for Fast Extraction and Magnetic Separation of Trace Pb2+ . | ACS SUSTAINABLE CHEMISTRY & ENGINEERING , 2017 , 5 (2) , 1476-1484 . |
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