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学者姓名：赵玉来
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Abstract ：
针对苯到苯酚制备过程选择性低的问题，介绍了新型探索性实验设计，引导学生以光催化苯制苯酚作为研究对象，通过溶胶-凝胶法制备FeOOH还原氧化石墨烯复合气凝胶，并探究其在光催化苯羟基化制苯酚中的性能。本实验以实现温和条件下提高苯制苯酚选择性为目标，对于培养学生创新思维、提高创新能力与实践能力具有积极的作用。
Keyword ：
光催化 光催化 探索性实验 探索性实验 气凝胶 气凝胶 芬顿反应 芬顿反应 还原氧化石墨烯 还原氧化石墨烯
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| GB/T 7714 | 蔡静宇 , 苗晓雨 , 赵玉来 et al. FeOOH-RGO气凝胶光催化苯制备苯酚探索性教学实验设计 [J]. | 大学化学 , 2024 , 39 (04) : 169-177 . |
| MLA | 蔡静宇 et al. "FeOOH-RGO气凝胶光催化苯制备苯酚探索性教学实验设计" . | 大学化学 39 . 04 (2024) : 169-177 . |
| APA | 蔡静宇 , 苗晓雨 , 赵玉来 , 肖龙强 . FeOOH-RGO气凝胶光催化苯制备苯酚探索性教学实验设计 . | 大学化学 , 2024 , 39 (04) , 169-177 . |
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以MOFs为模板，通过水热合成、高温煅烧制备得到Co-C/FeO_x复合材料，在300℃、0.2 MPa条件下探究了其对CO_2的催化还原性能。通过调控Co-C和FeO_x的质量比探究CO_2还原产物的分布，结果表明，当Co-C和FeO_x质量比为1∶4时，CO_2转化率为28.8%,C_2H_6和C_3H_8的选择性提高至28.6%。FeO_x的引入促进了中间体CO~*的生成，Co-C和FeO_x两者的结合使CO_2还原兼顾了CO_2转化率与C_(2+)产物的选择性。该研究不仅为CO_2选择性还原为多碳产物提供了一种有效策略，还展示了以MOFs为前驱体合成的碳负载金属/金属氧化物复合材料在催化中的应用潜力。
Keyword ：
MOF衍生物 MOF衍生物 二氧化碳 二氧化碳 双金属 双金属 碳氢化合物 碳氢化合物 选择催化还原 选择催化还原
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| GB/T 7714 | 蔡静宇 , 张春妮 , 肖龙强 et al. MOF衍生Co-C/FeO_x复合材料的制备及其催化CO_2还原性能探究 [J]. | 现代化工 , 2024 , 44 (01) : 153-158 . |
| MLA | 蔡静宇 et al. "MOF衍生Co-C/FeO_x复合材料的制备及其催化CO_2还原性能探究" . | 现代化工 44 . 01 (2024) : 153-158 . |
| APA | 蔡静宇 , 张春妮 , 肖龙强 , 赵玉来 . MOF衍生Co-C/FeO_x复合材料的制备及其催化CO_2还原性能探究 . | 现代化工 , 2024 , 44 (01) , 153-158 . |
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A latent microencapsulated catalyst (LMC) is a promising material to prepare one-component silicone rubber curing in industry. In this study, polystyrene (PS) with varying molecular weights and narrow molecular weight distributions (1.07-1.44) was meticulously synthesized via atom transfer radical polymerization (ATRP). Then, the synthesized PS was used as the wall material and a Karstedt catalyst was used as the core material to prepare different sizes of LMCs with a core content of about 20 wt % by a solvent evaporation method. The chemical structure, surface morphology, and core content of the prepared LMCs were characterized. Furthermore, the curing characteristics of one-component silicone rubber with different LMCs were investigated. Comparative analysis revealed that LMCs prepared from PS derived via ATRP exhibited superior attributes compared to those generated using commercially available PS, including a smaller particle size, more concentrated particle size distribution, heightened thermal responsiveness to temperature fluctuations, accelerated curing rate, and prolonged room temperature latency. Notably, the ATRP-derived LMCs demonstrated exceptional stability, ensuring steady storage with a latent period exceeding 2 months at room temperature.
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| GB/T 7714 | Hu, Zheng , You, Jiejian , Wu, Zhaoxing et al. Preparation and Application of Latent Microcapsule Catalysts in One-Component Silicone Rubber Curing [J]. | INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH , 2024 , 63 (21) : 9305-9314 . |
| MLA | Hu, Zheng et al. "Preparation and Application of Latent Microcapsule Catalysts in One-Component Silicone Rubber Curing" . | INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 63 . 21 (2024) : 9305-9314 . |
| APA | Hu, Zheng , You, Jiejian , Wu, Zhaoxing , Zhao, Yulai , Xiao, Longqiang , Hou, Linxi . Preparation and Application of Latent Microcapsule Catalysts in One-Component Silicone Rubber Curing . | INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH , 2024 , 63 (21) , 9305-9314 . |
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The electrochemical reduction of CO2 to produce high-value multicarbon products represents a challenging yet highly desirable process, particularly due to the inefficient C-C coupling observed in current electrocatalysts. In this study, Cu2+ and Co2+ were introduced into ZIF-8 as precursors to synthesize a series of Co- and CuCo-doped carbon nanostructure materials with varying Co-to-Cu ratios. X-ray diffraction and X-ray photoelectron spectroscopy (XPS) analyses confirmed the successful doping of metal Co in the form of Co-N-x, while Cu was partly doped as nanoparticles attached to the carbon substrate surface and partly as single atoms forming Cu-N-x. Transmission electron microscopy and energy-dispersive X-ray spectroscopy analyses revealed uniform distribution of elemental Co and Cu on the carbon substrate, with Cu loaded as nanocluster on the surface. Linear sweep voltammetry tests indicated that Cu/CoCu-N-x-C composites exhibited enhanced reactivity toward CO2 reduction compared to other samples. At -0.19 V (vs RHE), the Faradaic efficiencies (FEs %) of C2H4, C2H6, CH4, CO, and H-2 over Cu/CoCu-N-x-C were 29.7, 8.6, 20.2, 9.8, and 31.5%, respectively. The influence of Co and Cu doping modes on the selectivity of electrocatalytic reduction products was investigated. Results showed that Cu/CoCu-N-x-C exhibited a higher FE of C-2 compared to Cu/Cu-N-x-C, with nearly 10 times higher C-2 current density. Mechanistic insights from acid-etching experiments and XPS revealed a synergistic interaction between metallic Co and Cu, promoting the generation of multicarbon products. Co-N-x improved *CO coverage, facilitating subsequent C-C coupling on neighboring Cu-N-x. Additionally, CH4 production was attributed to the (111) crystalline facets in the Cu nanocluster and isolated Cu-N-x. Overall, this research provides an important understanding of the creation of straightforward and effective catalysts for the reduction of CO2. It holds considerable potential for the production of hydrocarbons using carbon dioxide.
Keyword ：
carbon materials loaded with metals carbon materials loaded with metals CO2 reduction CO2 reduction Cu Cu ethylene ethylene selectivity selectivity
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| GB/T 7714 | Wu, Zhaoxing , Wu, Zhengxiong , Zhao, Yulai et al. Copper/Cobalt-Loaded Carbon Nanostructures as Catalysts for Electrochemical CO2 Reduction [J]. | ACS APPLIED NANO MATERIALS , 2024 , 7 (9) : 10479-10489 . |
| MLA | Wu, Zhaoxing et al. "Copper/Cobalt-Loaded Carbon Nanostructures as Catalysts for Electrochemical CO2 Reduction" . | ACS APPLIED NANO MATERIALS 7 . 9 (2024) : 10479-10489 . |
| APA | Wu, Zhaoxing , Wu, Zhengxiong , Zhao, Yulai , Hou, Linxi . Copper/Cobalt-Loaded Carbon Nanostructures as Catalysts for Electrochemical CO2 Reduction . | ACS APPLIED NANO MATERIALS , 2024 , 7 (9) , 10479-10489 . |
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Recovery and separation of anthropogenic emissions of electronic specialty gases (F-gases, such as CF4 and SF6) from the semiconductor sector are of critical importance. In this work, the hierarchical porous UiO-66-Br-2@PS/DVB-packed column was constructed by a high internal phase emulsions strategy. UiO-66-Br-2@PS/DVB exhibits a superior selectivity of CF4/N-2 (2.67) and SF6/N-2 (3.34) predicted by the IAST due to the diffusion limitation in the micropore and the gas-framework affinity. Especially, UiO-66-Br-2@PS/DVB showed significant CF4 and SF6 retention and enabled the successful separation of CF4/N-2 and SF6/N-2 with a resolution of 2.37 and 8.89, respectively, when used as a packed column in gas chromatography. Compared with the Porapak Q column, the HETP of the UiO-66-Br-2@PS/DVB-packed column decreased and showed good reproducibility. This research not only offers a convenient method for fabricating a hierarchical porous MOF-packed column but also showcases the prospective utilization of MOFs for the separation of the F-gas/N-2 mixture.
Keyword ：
adsorptive separation adsorptive separation F-gases capture F-gases capture gas chromatography gas chromatography metal-organic framework metal-organic framework stationaryphase stationaryphase
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| GB/T 7714 | Miao, Xiaoyu , Sui, Jincheng , Weng, Sen et al. Construction of Hierarchical Porous UiO-66-Br2@PS/DVB-Packed Columns by High Internal Phase Emulsion Strategy for Enhanced Separation of CF4/N2 and SF6/N2 [J]. | ACS APPLIED MATERIALS & INTERFACES , 2024 , 16 (18) : 24083-24093 . |
| MLA | Miao, Xiaoyu et al. "Construction of Hierarchical Porous UiO-66-Br2@PS/DVB-Packed Columns by High Internal Phase Emulsion Strategy for Enhanced Separation of CF4/N2 and SF6/N2" . | ACS APPLIED MATERIALS & INTERFACES 16 . 18 (2024) : 24083-24093 . |
| APA | Miao, Xiaoyu , Sui, Jincheng , Weng, Sen , Zhang, Jian , Zhao, Hao , Wei, Yifeng et al. Construction of Hierarchical Porous UiO-66-Br2@PS/DVB-Packed Columns by High Internal Phase Emulsion Strategy for Enhanced Separation of CF4/N2 and SF6/N2 . | ACS APPLIED MATERIALS & INTERFACES , 2024 , 16 (18) , 24083-24093 . |
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Constructing multi-component materials with dielectric-magnetic synergy effects has been a significant focus of recent works to enhance microwave absorption efficiency. Herein, a top-down exfoliation strategy for forming carboxylated g-C3N4 (CCN) was demonstrated to achieve rich interfaces and enhanced interface compatibility. The abundant defects and functional groups (-COOH, -OH, C-O, and CQO) of CCN enhanced the dipole polarization. Furthermore, MWCNTs and Fe3O4 were facilely decorated onto the surface of CCN by the general co-precipitation method to form CCN/C-Fe3O4 composite absorbers with multiple heterogeneous interfaces and attenuation mechanisms. Changing the content of CCN, CN/C-Fe3O4 exhibits excellent wave absorption and impedance matching charac-teristics with a minimum reflection loss value (RLmin) of -51.74 dB at only 1.9 mm (11.12 GHz), and the efficient absorption bandwidth can reach up to 4.28 GHz at 1.4 mm. This work reveals how CCN enhanced the synergistic balance between the dielectric-magnetic loss in composites. It also provides a new idea for the facile synthesis of novel multi-component composites for high-performance micro-wave absorption.
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| GB/T 7714 | Liu, Huan , Wu, Shengjin , Wang, Qihong et al. Facile fabrication of exfoliated g-C3N4/MWCNTs/Fe3O4 ternary composites with multi-component functional synergy for high-performance microwave absorption [J]. | JOURNAL OF MATERIALS CHEMISTRY C , 2023 , 11 (7) : 2552-2564 . |
| MLA | Liu, Huan et al. "Facile fabrication of exfoliated g-C3N4/MWCNTs/Fe3O4 ternary composites with multi-component functional synergy for high-performance microwave absorption" . | JOURNAL OF MATERIALS CHEMISTRY C 11 . 7 (2023) : 2552-2564 . |
| APA | Liu, Huan , Wu, Shengjin , Wang, Qihong , Zheng, Zongrui , Zhao, Hao , Zhao, Yulai et al. Facile fabrication of exfoliated g-C3N4/MWCNTs/Fe3O4 ternary composites with multi-component functional synergy for high-performance microwave absorption . | JOURNAL OF MATERIALS CHEMISTRY C , 2023 , 11 (7) , 2552-2564 . |
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Developing low-cost and highly efficient hydrophobic absorbents via simple and environmentally friendly method is demanded for oil-water separation. This paper reports the preparation of hydrophobic absorbents of porous poly(4-tert-butylstyrene-co-divinylbenzene) (poly(tBS-co-DVB)) via high internal phase emulsion (HIPE) template method. The effects of crosslinking degree and internal phase volume fraction on the porous structure and adsorption performance of the absorbents are investigated. As the tBS/DVB molar ratio increases from 1:1 to 4:1, the adsorption performance of poly(tBS-co-DVB) toward hexane first increases to a maximum at a molar ratio of 3:1 and then decreases. As the internal phase volume fraction increases, the specific surface area (SSA) and porosity of the poly(tBS-co-DVB)s notably increase from 33.06 m(2)/g and 84.07% to 102.89 m(2)/g and 92.94%, respectively. When the internal phase fraction is 95 vol%, the obtained poly(tBS-co-DVB) foam with a water contact angle of 140 & DEG; shows an absorbing capacity as high as 70.21 g/g for dichloromethane. After 10 consecutive adsorption-desorption cycles, the adsorption performance of the poly(tBS-co-DVB) foam shows only a slight decrease, indicating an excellent recycling ability. The obtained poly(tBS-co-DVB) foams exhibit the advantages of facile preparation, high oil absorption capacity and satisfactory recoverability, which enable them potential as sustainable oil adsorbents.
Keyword ：
HIPE HIPE oil adsorption oil adsorption poly(tBS-co-DVB) foam poly(tBS-co-DVB) foam porous monolith porous monolith
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| GB/T 7714 | Zhao, Yulai , Shen, Lianzhi , Yuan, Yu et al. Preparation of porous poly(4-tert-butylstyrene) based monoliths with high efficiency for oil-water separation via high internal phase emulsion template [J]. | JOURNAL OF APPLIED POLYMER SCIENCE , 2023 , 140 (18) . |
| MLA | Zhao, Yulai et al. "Preparation of porous poly(4-tert-butylstyrene) based monoliths with high efficiency for oil-water separation via high internal phase emulsion template" . | JOURNAL OF APPLIED POLYMER SCIENCE 140 . 18 (2023) . |
| APA | Zhao, Yulai , Shen, Lianzhi , Yuan, Yu , Xiao, Longqiang , Cai, Jingyu , Lu, Zhen et al. Preparation of porous poly(4-tert-butylstyrene) based monoliths with high efficiency for oil-water separation via high internal phase emulsion template . | JOURNAL OF APPLIED POLYMER SCIENCE , 2023 , 140 (18) . |
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Preparation of polymer-based packaging materials with rapid heat dissipation capacity is crucial for ensuring high-power equipment's service life. To achieve this, boron nitride (BN) and multi-walled carbon nanotubes (MWCNTs) were used in different ratios to prepare thermally conductive epoxy composites. These composites were created through a simple mixing and curing process, resulting in a heat transmission path. Then, BN and MWCNTs were separately functionalized with dopamine and acid to enhance their dispersibility and interfacial compatibility within the epoxy resin. This was done to further explore their influence on the formation of serial heat transfer pathways. The BN/MWCNTs/epoxy composites with a filler ratio of 15:1 and a total filler loading of 30 wt % exhibited a thermal conductivity of 0.92 W/mK, which is 118% higher than pure epoxy. These composites also displayed favorable mechanical properties and thermal stability. This study provides guidance for designing high-performance epoxy composites to meet modern electronic devices' thermal management requirements.
Keyword ：
BN BN epoxy epoxy multi-walled carbon nanotubes multi-walled carbon nanotubes thermal conductivity thermal conductivity thermal network thermal network
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| GB/T 7714 | Wang, Qihong , Gao, Zhaolin , Liu, Huan et al. Enhanced Thermal Conductivity of Epoxy Composites Fabricated with Boron Nitride and Multi-Walled Carbon Nanotubes [J]. | ACS APPLIED ENGINEERING MATERIALS , 2023 , 1 (7) : 1856-1865 . |
| MLA | Wang, Qihong et al. "Enhanced Thermal Conductivity of Epoxy Composites Fabricated with Boron Nitride and Multi-Walled Carbon Nanotubes" . | ACS APPLIED ENGINEERING MATERIALS 1 . 7 (2023) : 1856-1865 . |
| APA | Wang, Qihong , Gao, Zhaolin , Liu, Huan , Wu, Shengjin , Song, Qianyu , Zhao, Yulai et al. Enhanced Thermal Conductivity of Epoxy Composites Fabricated with Boron Nitride and Multi-Walled Carbon Nanotubes . | ACS APPLIED ENGINEERING MATERIALS , 2023 , 1 (7) , 1856-1865 . |
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In this work, a series of N-doped porous carbons (NPCs) are prepared via high internal phase emulsion (HIPE) template, followed by growing polyaniline (PANI) arrays and subsequent carbonization/activation. As evidenced by SEM and N2 absorption/desorption results, the NPCs have interconnected hierarchical porous structures with abundant micropores and mesopores inside. The morphology and porous structures of NPCs can be tuned by changing aniline concentration and polymerization time, respectively. With the increase of aniline concentration or polymerization time, the porous structure of NPC becomes more and more serried, however too high aniline concentration (>0.75 M) makes the porous structure become sparse, which is because excess PANI will nucleate itself and make it detach from the surface of NPC. As a result, the specific surface area (SSA) of NPCs first in-creases to 1769 m2/g and then decreases. Electrochemical performances of the obtained NPCs are evaluated in detail. The test results indicate that both aniline concentration and polymerization time have notable influence on the specific capacitance of NPCs. The specific capacitance of NPC obtained under optimized conditions reaches up to 241 F/g at 1 A/g with a retention ratio of 97.8% after 10, 000 cycles at a high current density, proving its excellent energy storage capability and cycling stability. In two-electrode system, the NPC provides an energy density of 27 Wh/kg at a power density of 400 W/kg and remains a high energy density of 19 Wh/kg at a high power density of 10002 W/kg.
Keyword ：
High internal phase emulsion High internal phase emulsion N -doped porous carbons N -doped porous carbons Polyaniline nanoarray Polyaniline nanoarray Supercapacitor Supercapacitor
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| GB/T 7714 | Xue, Jiahao , Zhang, Jing , Zhao, Yulai et al. Controllable preparation of N-doped porous carbons with enhanced porosity and energy storage capacity using high internal phase emulsion template [J]. | MATERIALS CHEMISTRY AND PHYSICS , 2023 , 301 . |
| MLA | Xue, Jiahao et al. "Controllable preparation of N-doped porous carbons with enhanced porosity and energy storage capacity using high internal phase emulsion template" . | MATERIALS CHEMISTRY AND PHYSICS 301 (2023) . |
| APA | Xue, Jiahao , Zhang, Jing , Zhao, Yulai , Cai, Jingyu , Xiao, Longqiang , Hou, Linxi . Controllable preparation of N-doped porous carbons with enhanced porosity and energy storage capacity using high internal phase emulsion template . | MATERIALS CHEMISTRY AND PHYSICS , 2023 , 301 . |
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The covalent organic framework (COF) has been investigated as an ideal platform for heterogeneous photocatalysis, as it can integrate large pi-conjugated systems and customize ligand structure to adjust electron distribution and efficiently promote photoelectric conversion. Herein, TAPT-DMTA-COF and TAPT-DMTA/TP-COF were designed and investigated as metal-free reactive oxygen species (ROS) generators to facilitate generation of ROS clusters to initiate reversible addition-fragmentation chain transfer (RAFT) polymerization (ROS-RAFT) in open vessels under aqueous conditions, yielding polymers with acceptable molecular weights and narrow values for dispersity. Chain-extension and light-control experiments demonstrated the high chain-end fidelity of the polymers and the light-dependent features of the polymerization process. Electron donor group (-OMe)-modulated TAPT-DMTA/TP-COF can efficiently improve the ability of TAPT-TP-COF to produce ROS and accelerate ROS-RAFT polymerization. This work provides a new method for constructing ROS-RAFT polymerization photocatalysts by adjusting the ligand structure of the COF, and establishes a controlled polymerization methodology for expanding the applications of RAFT polymerization.
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| GB/T 7714 | Lu, Zhen , Yang, Hongjie , Zhao, Rui et al. Ligand regulation strategy of COF-based photocatalyst for ROS-mediated RAFT polymerization [J]. | POLYMER CHEMISTRY , 2023 , 14 (19) : 2291-2298 . |
| MLA | Lu, Zhen et al. "Ligand regulation strategy of COF-based photocatalyst for ROS-mediated RAFT polymerization" . | POLYMER CHEMISTRY 14 . 19 (2023) : 2291-2298 . |
| APA | Lu, Zhen , Yang, Hongjie , Zhao, Rui , Zhao, Yulai , Xiao, Longqiang , Hou, Linxi . Ligand regulation strategy of COF-based photocatalyst for ROS-mediated RAFT polymerization . | POLYMER CHEMISTRY , 2023 , 14 (19) , 2291-2298 . |
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