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学者姓名：徐超
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Abstract ：
Electrochemical capacitive deionization (CDI) is a promising technology for distributed and energy-efficient water desalination. The development of high-performance capacitive electrodes is critical for enhancing CDI properties and scaling up its applications. Herein, a three-dimensional graphene porous architecture with high CDI performance is successfully constructed by assembling intentionally designed incomplete graphene-based spherical hollow shells. Small graphene oxide (GO) sheets are purposely adopted to prepare sphere shells by wrapping the surface of polystyrene sphere templates. Because the small-sized GO sheets cannot enwrap the spherical templates seamlessly, a unique graphene hollow shell structure with integrally interconnected feature forms upon removal of the templates. Compared to control samples with typical isolated pore structure (3DGA-C) prepared with commonly used large-sized GO sheets, such open and interconnected porous architectures (3DGA-OP) greatly increase their accessibility of specific surface area and pore volume, enabling superior electrochemical performance. The optimized CDI capacities of 3DGA-OP electrodes reach up to 14.4 mg.g(-1) in NaCl aqueous of 500 mg.L-1 at 1.2 V, which is about 2 times the 3DGA-C ones (6.7 mg.g(-1)) and exceeds the CDI values of most reported pure graphene electrodes under the same experimental conditions. This strategy of improving the open interconnectivity between pores illuminates new avenues for developing high performance CDI porous electrodes assembled from two-dimensional materials.
Keyword ：
capacitive deionization capacitive deionization graphene graphene imperfect hollow shells imperfect hollow shells interconnection interconnection unobstructed diffusion unobstructed diffusion
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| GB/T 7714 | Zhu, Yueshuai , Zhang, Gujia , Xu, Chao et al. Interconnected Graphene Hollow Shells for High-Performance Capacitive Deionization [J]. | ACS APPLIED MATERIALS & INTERFACES , 2020 , 12 (26) : 29706-29716 . |
| MLA | Zhu, Yueshuai et al. "Interconnected Graphene Hollow Shells for High-Performance Capacitive Deionization" . | ACS APPLIED MATERIALS & INTERFACES 12 . 26 (2020) : 29706-29716 . |
| APA | Zhu, Yueshuai , Zhang, Gujia , Xu, Chao , Wang, Lianzhou . Interconnected Graphene Hollow Shells for High-Performance Capacitive Deionization . | ACS APPLIED MATERIALS & INTERFACES , 2020 , 12 (26) , 29706-29716 . |
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This work demonstrates the long-range redox reactivity of gold plasmon-generated hot electrons for solar-driven CO2 conversion. A series of Au NR@ZnO core-shell photocatalysts with a tunable shell thickness are rationally designed to achieve the solar-to-CH4 conversion, where the hot plasmonic electrons-induced photoreduction takes place on the polar oxide moiety. The shell thickness-independent activity implies that the core, gold nanorods, plays a dominant role in the CH4 generation. The ZnO metal oxide semiconductor shell is beneficial to prolong the lifetime of hot electrons, thereby enhancing the photocatalytic efficiency. However, the thickness of ZnO shell is not relevant to the production rate. Both of these two parts are co-excited by solar light and synergetic enhance the photocatalytic activity.
Keyword ：
CO2 photoreduction CO2 photoreduction core-shell nanostructure core-shell nanostructure gold nanorod gold nanorod photocatalysis photocatalysis plasmon resonance plasmon resonance ZnO ZnO
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| GB/T 7714 | Shen, Jinni , Chen, Zhenye , Han, Shitong et al. Plasmonic Electrons-Driven Solar-to-Hydrocarbon Conversion over Au NR@ZnO Core-Shell Nanostructures [J]. | CHEMCATCHEM , 2020 , 12 (11) : 2989-2994 . |
| MLA | Shen, Jinni et al. "Plasmonic Electrons-Driven Solar-to-Hydrocarbon Conversion over Au NR@ZnO Core-Shell Nanostructures" . | CHEMCATCHEM 12 . 11 (2020) : 2989-2994 . |
| APA | Shen, Jinni , Chen, Zhenye , Han, Shitong , Zhang, Hongwen , Xu, Hailing , Xu, Chao et al. Plasmonic Electrons-Driven Solar-to-Hydrocarbon Conversion over Au NR@ZnO Core-Shell Nanostructures . | CHEMCATCHEM , 2020 , 12 (11) , 2989-2994 . |
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A copper-catalyzed interrupted click reaction for the preparation of 3-difluoromethyl-substituted 1,2,4-triazinones is developed. The reaction of terminal alkyne with azide and difluoroacetic anhydride affords the desired products in moderate to good yields. This method provides ready access to 3-difluoromethyl 1,2,4-triazinones, notable synthetic targets, from simple, readily available starting materials. Additionally, the reaction with chlorodifluoroacetic anhydride affords the corresponding 3-chlorodifluoromethyl-substituted 1,2,4-triazinones.
Keyword ：
Click chemistry Click chemistry Copper Copper Difluoromethylation Difluoromethylation Fluorine Fluorine Triazinones Triazinones
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| GB/T 7714 | Wu, Wei , Xu, Chao , Weng, Zhiqiang . Copper-catalyzed interrupted click reaction: The synthesis of 3-difluoromethyl-substituted 1,2,4-triazinones [J]. | JOURNAL OF FLUORINE CHEMISTRY , 2019 , 226 . |
| MLA | Wu, Wei et al. "Copper-catalyzed interrupted click reaction: The synthesis of 3-difluoromethyl-substituted 1,2,4-triazinones" . | JOURNAL OF FLUORINE CHEMISTRY 226 (2019) . |
| APA | Wu, Wei , Xu, Chao , Weng, Zhiqiang . Copper-catalyzed interrupted click reaction: The synthesis of 3-difluoromethyl-substituted 1,2,4-triazinones . | JOURNAL OF FLUORINE CHEMISTRY , 2019 , 226 . |
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Layered graphene-based composite filtration membranes with interlayer photocatalysis activity have been successfully prepared by in situ photo-induced reduction of graphene oxide-TiO2 membranes. Owing to the mild reduction conditions as well as the unique properties of graphene-based sheets, the filtration performance of separation channels in membranes after in situ reduction is not only well preserved, but also additionally improved. Both the water flux and retention ratio of these graphene-based membranes are improved obviously compared with those of the original graphene oxide ones. Moreover, the plane separation channels in the membranes can also be endowed with additional photocatalytic function by the assembled TiO2 semiconductor supports between the surface membranes. Thus, when the filtration experiments are carried out under concurrent light irradiation, some pollutants penetrating into the channel due to the membrane's trade-off effect are further purified by photocatalysis, which further improves the performance in wastewater treatment of these graphene-based stacked filtration membranes.
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| GB/T 7714 | Zhang, Huan , Zhu, Yueshuai , Long, Jinlin et al. In situ construction of layered graphene-based nanofiltration membranes with interlayer photocatalytic purification function and their application for water treatment [J]. | ENVIRONMENTAL SCIENCE-NANO , 2019 , 6 (7) : 2195-2202 . |
| MLA | Zhang, Huan et al. "In situ construction of layered graphene-based nanofiltration membranes with interlayer photocatalytic purification function and their application for water treatment" . | ENVIRONMENTAL SCIENCE-NANO 6 . 7 (2019) : 2195-2202 . |
| APA | Zhang, Huan , Zhu, Yueshuai , Long, Jinlin , Ding, Zhengxin , Yuan, Rusheng , Li, Zhaohui et al. In situ construction of layered graphene-based nanofiltration membranes with interlayer photocatalytic purification function and their application for water treatment . | ENVIRONMENTAL SCIENCE-NANO , 2019 , 6 (7) , 2195-2202 . |
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Photocatalytic trifluoromethylation has been considered as an efficient method to introduce trifluoromethyl groups into organic substances. However, the relatively high cost and toxic feature of the metalbased photocatalysts have become major obstacles for their further applications in this area. In this work, graphene oxide sheets have been successfully utilized as a kind of metal- free photocatalyst for the trifluoromethylation of arenes, using inexpensive CF3SO2Na as the CF3 radical source. It is shown that graphene oxide sheets exhibit suitable bandgaps under visible light irradiation to photocatalyse the oxide CF3SO2Na to form the electrophilic radical CF3, which efficiently induces the trifluoromethylation of typical benzene molecules and some of their derivatives.
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| GB/T 7714 | Tong, Ying , Pan, Hao , Huang, Weichao et al. Visible- light photocatalytic trifluoromethylation of arenes using graphene oxide as a metal- free photocatalyst [J]. | NEW JOURNAL OF CHEMISTRY , 2019 , 43 (22) : 8741-8745 . |
| MLA | Tong, Ying et al. "Visible- light photocatalytic trifluoromethylation of arenes using graphene oxide as a metal- free photocatalyst" . | NEW JOURNAL OF CHEMISTRY 43 . 22 (2019) : 8741-8745 . |
| APA | Tong, Ying , Pan, Hao , Huang, Weichao , Qiu, Wenzhao , Ding, Zhengxin , Xu, Chao et al. Visible- light photocatalytic trifluoromethylation of arenes using graphene oxide as a metal- free photocatalyst . | NEW JOURNAL OF CHEMISTRY , 2019 , 43 (22) , 8741-8745 . |
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An artificial photosynthetic (APS) system consisting of a photoanodic semiconductor that harvests solar photons to split H2O, a Ni-SNG cathodic catalyst for the dark reaction of CO2 reduction in a CO2-saturated NaHCO3 solution, and a proton-conducting membrane enabled syngas production from CO2 and H2O with solar-to-syngas energy-conversion efficiency of up to 13.6%. The syngas CO/H-2 ratio was tunable between 1:2 and 5:1. Integration of the APS system with photovoltaic cells led to an impressive overall quantum efficiency of 6.29% for syngas production. The largest turnover frequency of 529.5h(-1) was recorded with a photoanodic N-TiO2 nanorod array for highly stable CO production. The CO-evolution rate reached a maximum of 154.9mmolg(-1)h(-1) in the dark compartment of the APS cell. Scanning electrochemical-atomic force microscopy showed the localization of electrons on the single-nickel-atom sites of the Ni-SNG catalyst, thus confirming that the multielectron reduction of CO2 to CO was kinetically favored.
Keyword ：
graphene graphene photoanodes photoanodes photosynthetic cells photosynthetic cells single-site heterogeneous catalysis single-site heterogeneous catalysis syngas production syngas production
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| GB/T 7714 | Zhang, Hongwen , Ming, Jintao , Zhao, Jiwu et al. High-Rate, Tunable Syngas Production with Artificial Photosynthetic Cells [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2019 , 58 (23) : 7718-7722 . |
| MLA | Zhang, Hongwen et al. "High-Rate, Tunable Syngas Production with Artificial Photosynthetic Cells" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 58 . 23 (2019) : 7718-7722 . |
| APA | Zhang, Hongwen , Ming, Jintao , Zhao, Jiwu , Gu, Quan , Xu, Chao , Ding, Zhengxin et al. High-Rate, Tunable Syngas Production with Artificial Photosynthetic Cells . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2019 , 58 (23) , 7718-7722 . |
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This work demonstrated the 12 fold-enhanced solar water splitting over the type-II core-shell nanostructured TiO2 rutile photoanodes by orienting the charge flow and accelerating the hole transport to water-oxidation sites. Such nanoheterostructured photoanodes were designed rationally and prepared by a facile strategy to enwrapping an amorphous Ta2OxNy layer on surface of TiO2 nanorods grown on the FTO glass substrates, consequently the incident photon-to-current conversion efficiency was increased from 2.2% to 22.6% in a two electrode system under 390 nm light irradiation. The activity results showed that under AM 1.5 G illumination, the photocurrent output of TiO2@Ta2OxNy photoanodes reached a stable density of 1.32 mA cm(-2) at 1.23 V vs RHE, and which is 12 times and ca. 4.3 times than that of the pristine TiO2 and TiO2@Ta2O5 counterparts, respectively. Correspondingly, the oxygen evolution rate was improved from 20.3 to 112.7 mmol m(-2) h(-1). A solar-to-chemical energy conversion efficiency of ca. 1.49% was achieved at 1.23 V vs RHE.
Keyword ：
Core-shell nanostructures Core-shell nanostructures Photoanode Photoanode Photoelectrocatalysis Photoelectrocatalysis Ta2OxNy Ta2OxNy TiO2 nanorods TiO2 nanorods Water splitting Water splitting
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| GB/T 7714 | Zhang, Hongwen , Ma, Lei , Ming, Jintao et al. Amorphous Ta2OxNy-enwrapped TiO2 rutile nanorods for enhanced solar photoelectrochemical water splitting [J]. | APPLIED CATALYSIS B-ENVIRONMENTAL , 2019 , 243 : 481-489 . |
| MLA | Zhang, Hongwen et al. "Amorphous Ta2OxNy-enwrapped TiO2 rutile nanorods for enhanced solar photoelectrochemical water splitting" . | APPLIED CATALYSIS B-ENVIRONMENTAL 243 (2019) : 481-489 . |
| APA | Zhang, Hongwen , Ma, Lei , Ming, Jintao , Liu, Bingqian , Zhao, Yibo , Hou, Yidong et al. Amorphous Ta2OxNy-enwrapped TiO2 rutile nanorods for enhanced solar photoelectrochemical water splitting . | APPLIED CATALYSIS B-ENVIRONMENTAL , 2019 , 243 , 481-489 . |
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Anisotropic two-dimensional materials with direction-dependent mechanical and optical properties have attracted significant attention in recent years. In this work, based on density functional theory calculations, unexpected elastic anisotropy and optical isotropy in van der Waals (vdW) heterostructures have been theoretically proposed by assembling the well-known anisotropic black phosphorene (BP) and transition-metal trisulfides MS3 (M = Ti, Hf) together. It is interesting to see that the BP/MS3 vdW heterostructures show anisotropic flexibility in different directions according to the elastic constants, Young's modulus, and Poisson's ratio. We have further unraveled their physical origin of the type-II band structure nature with their conduction band minimum and valence band maximum separated in different layers. In particular, our results on the optical response functions including the excitonic effects of the BP/MS3 vdW heterostructures suggest their unexpected optical isotropies together with the enhancements of the solar energy conversion efficiency.
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| GB/T 7714 | Sa, Baisheng , Chen, Jianhui , Yang, Xuhui et al. Elastic Anisotropy and Optic Isotropy in Black Phosphorene/Transition-Metal Trisulfide van der Waals Heterostructures [J]. | ACS OMEGA , 2019 , 4 (2) : 4101-4108 . |
| MLA | Sa, Baisheng et al. "Elastic Anisotropy and Optic Isotropy in Black Phosphorene/Transition-Metal Trisulfide van der Waals Heterostructures" . | ACS OMEGA 4 . 2 (2019) : 4101-4108 . |
| APA | Sa, Baisheng , Chen, Jianhui , Yang, Xuhui , Yang, Honglei , Zheng, Jingying , Xu, Chao et al. Elastic Anisotropy and Optic Isotropy in Black Phosphorene/Transition-Metal Trisulfide van der Waals Heterostructures . | ACS OMEGA , 2019 , 4 (2) , 4101-4108 . |
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The practical applications of transition metal sulfides as electrode materials for lithium-ion batteries (LIBs) is greatly hindered by the fast capacity fading owing to the large volume expansion. To address this issue, construction of transition metal sulfide and carbon nanocomposites with unique yolk shell structures is an effective strategy but also remains a great challenge. In this work, we reported a facile approach to synthesize the unique yolk-shell FeS2@carbon (FeS2@C) spheres via calcination treatment of the resorcinol-formaldehyde (RF) resin-coated Prussian blue (FeFe PB) core-shell spheres in Ar atmosphere and a subsequent sulfidation treatment. The synthetic method herein was quite simple and convenient. Such unique structure design could effectively prevent the large volume expansion and dissolution of the active materials in the electrolytes during lithiation. As expected, the yolk-shell FeS2@C spheres exhibited good electrochemical performance as anode materials for LIBs, which displayed a high discharge capacity of 560 mA h g(-1) at 100 mA g(-1) for 100 cycles. When the current density increased to 1000 mA g(-1), a reversible discharge capacity of 269 mA h g(-1) was still retained after 500 cycles. The present work demonstrated an extraordinary synthetic strategy to construct transition metal sulfide and carbon nanocomposites with unique yolk shell structure. In addition, this RF resin coating strategy can be further extended to synthesize other RF resin-coated PB analogue (PBA) core -shell nanostructures, demonstrating the generality of this RF resin coating strategy.
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| GB/T 7714 | Liu, Yangjie , Wang, Wenqing , Chen, Qidi et al. Resorcinol Formaldehyde Resin-Coated Prussian Blue Core Shell Spheres and Their Derived Unique Yolk Shell FeS2@C Spheres for Lithium-Ion Batteries [J]. | INORGANIC CHEMISTRY , 2019 , 58 (2) : 1330-1338 . |
| MLA | Liu, Yangjie et al. "Resorcinol Formaldehyde Resin-Coated Prussian Blue Core Shell Spheres and Their Derived Unique Yolk Shell FeS2@C Spheres for Lithium-Ion Batteries" . | INORGANIC CHEMISTRY 58 . 2 (2019) : 1330-1338 . |
| APA | Liu, Yangjie , Wang, Wenqing , Chen, Qidi , Xu, Chao , Cai, Daoping , Zhan, Hongbing . Resorcinol Formaldehyde Resin-Coated Prussian Blue Core Shell Spheres and Their Derived Unique Yolk Shell FeS2@C Spheres for Lithium-Ion Batteries . | INORGANIC CHEMISTRY , 2019 , 58 (2) , 1330-1338 . |
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Metal-organic frameworks (MOFs) derived ternary transition metal oxide nanostructures have attracted considerable attention for their important applications in energy-related fields. However, most of the present reports on MOFs-derived materials are in the powder form, which should be further mixed with polymer binder and conductive agents before they are coated on current conductor. In this work, we demonstrate a facile solution method to grow the bimetallic zinc/cobalt zeolitic imidazolate frameworks nanoplate arrays (Zn/Co-ZIF NPAs) on carbon cloth (CC) substrate and then they are well converted to porous ternary ZnCo2O4 NPAs on CC after an annealing treatment in air. When investigated as binder-free electrodes for lithium-ion batteries (LIBs), the ZnCo2O4 NPAs/CC electrode exhibits a high area capacity of 3.01 mA h cm(-2) (corresponding to 1341.7 mA h g(-1) for the ZnCo2O4 NPAs) at the current density of 0.24 mA cm(-2) for 100 cycles, which is much higher than that of the Co3O4 NPAs/CC electrode (1.93 mA h cm(-2)). Moreover, at a high current density of 1.20 mA cm(-2), the ZnCo2O4 NPAs/CC electrode can still maintain a high capacity of 2.05 mA h cm(-2). The excellent electrochemical performance could be attributed to the unique morphology, structure and composition of the porous ternary ZnCo2O4 NPAs, as well as directly grown on current collector.
Keyword ：
Arrays Arrays Binder-free Binder-free Lithium-ion batteries Lithium-ion batteries Metal-organic framework Metal-organic framework ZnCo2O4 ZnCo2O4
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| GB/T 7714 | Liu, Tianqing , Wang, Wenqing , Yi, Mingjie et al. Metal-organic framework derived porous ternary ZnCo2O4 nanoplate arrays grown on carbon cloth as binder-free electrodes for lithium-ion batteries [J]. | CHEMICAL ENGINEERING JOURNAL , 2018 , 354 : 454-462 . |
| MLA | Liu, Tianqing et al. "Metal-organic framework derived porous ternary ZnCo2O4 nanoplate arrays grown on carbon cloth as binder-free electrodes for lithium-ion batteries" . | CHEMICAL ENGINEERING JOURNAL 354 (2018) : 454-462 . |
| APA | Liu, Tianqing , Wang, Wenqing , Yi, Mingjie , Chen, Qidi , Xu, Chao , Cai, Daoping et al. Metal-organic framework derived porous ternary ZnCo2O4 nanoplate arrays grown on carbon cloth as binder-free electrodes for lithium-ion batteries . | CHEMICAL ENGINEERING JOURNAL , 2018 , 354 , 454-462 . |
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