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学者姓名：蔡平伟
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Abstract ：
Herein, cobalt ammine complexes are combined with alkali-resistant polyoxoniobates (PONbs) at the molecular level to obtain two new organic-inorganic hybrid Co-containing PONbs with the same polyanions but different Co contents. The Co-containing PONb with higher Co content exhibits superior hydrogen evolution reaction (HER) activity under highly alkaline conditions, which is better than the results for the similar Cu-containing PONb, highlighting the critical role of cobalt in improving HER performance. This study provides a new insight into the relationship between the structural properties of metal complexes during electrocatalysis.
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| GB/T 7714 | Chen, Chun-Xia , Duan, Shui-Lin , Zhang, Xiao-Yue et al. Organic-inorganic hybrid Co-containing polyoxoniobates as hydrogen evolution catalysts in alkaline media [J]. | DALTON TRANSACTIONS , 2025 , 54 (9) : 3591-3596 . |
| MLA | Chen, Chun-Xia et al. "Organic-inorganic hybrid Co-containing polyoxoniobates as hydrogen evolution catalysts in alkaline media" . | DALTON TRANSACTIONS 54 . 9 (2025) : 3591-3596 . |
| APA | Chen, Chun-Xia , Duan, Shui-Lin , Zhang, Xiao-Yue , Sun, Rong-Zhi , Cai, Ping-Wei , Sun, Cai et al. Organic-inorganic hybrid Co-containing polyoxoniobates as hydrogen evolution catalysts in alkaline media . | DALTON TRANSACTIONS , 2025 , 54 (9) , 3591-3596 . |
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A series of novel cage-like transition-metal (TM) incorporated heteropolyoxoniobates {TM4Nb64O200} (1-TM, TM = Ni, Cu, Mn, Cd) were hydrothermally synthesized and isolated as salts of mixed K+ and [CN3H6]+. As a result of transition metal ions incorporation, the charge distribution, redox potential, and active sites of the formed polyoxoniobates (PONbs) are variants, leading to differences in their electrocatalytic hydrogen evolution reaction (HER). Among these compounds, 1-Ni showed the best HER activity with an overpotential of 560 mV at 10 mA cm-2 and a minimum Tafel slope of 405.8 mV dec-1.
Keyword ：
Cage-like Cage-like Hydrogen evolution reaction Hydrogen evolution reaction Polyoxometalate Polyoxometalate Transition metal substitution Transition metal substitution
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| GB/T 7714 | Wu, Lan , Hu, Fen , Sun, Rong-Zhi et al. Development of cage-like transition-metal incorporated polyoxoniobates for hydrogen evolution reaction electrocatalysts [J]. | JOURNAL OF SOLID STATE CHEMISTRY , 2025 , 345 . |
| MLA | Wu, Lan et al. "Development of cage-like transition-metal incorporated polyoxoniobates for hydrogen evolution reaction electrocatalysts" . | JOURNAL OF SOLID STATE CHEMISTRY 345 (2025) . |
| APA | Wu, Lan , Hu, Fen , Sun, Rong-Zhi , Xia, Wen-Jun , Zeng, Qing-Xin , Cai, Ping-Wei et al. Development of cage-like transition-metal incorporated polyoxoniobates for hydrogen evolution reaction electrocatalysts . | JOURNAL OF SOLID STATE CHEMISTRY , 2025 , 345 . |
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Rechargeable Zn-air batteries (ZABs) are considered highly competitive technologies for meeting the energy demands of the next generation, whether for energy storage or portable power. However, their practical application is hindered by critical challenges such as low voltage, CO2 poisoning at the cathode, low power density, and poor charging efficiency Herein, a rechargeable hybrid alkali/acid Zn-air battery (h-RZAB) that effectively separates the discharge process in an acidic environment from the charging process in an alkaline environment, utilizing oxygen reduction reaction (ORR) and glycerol oxidation reaction (GOR) respectively is reported. Compared to previously reported ZABs, this proof-of-concept device demonstrates impressive performance, exhibiting a high power density of 562.7 mW cm-2 and a high operating voltage during discharging. Moreover, the battery requires a significantly reduced charging voltage due to the concurrent utilization of biomass-derived glycerol, resulting in practical and cost-effective advantages. The decoupled system offers great flexibility for intermittently generated renewable power sources and presents cost advantages over traditional ZABs. As a result, this technology holds significant promise in opening avenues for the future development of renewable energy-compatible electrochemical devices. A rechargeable hybrid Zn-air battery (h-RZAB) is proposed by decoupling charging and discharging processes in separate alkaline and acidic electrolytes. which demonstrates a remarkable power density of 562.7 mW cm-2 and maintains a high operating voltage during discharging. Additionally, the battery requires a significantly reduced charging voltage due to the concurrent utilization of biomass-derived glycerol. image
Keyword ：
alkali/acid electrolytes alkali/acid electrolytes glycerol oxidation reaction glycerol oxidation reaction high power density high power density hybrid Zn-air battery hybrid Zn-air battery reduced charging voltage reduced charging voltage
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| GB/T 7714 | Yin, Ximeng , Sun, Wei , Chen, Kai et al. High-Power-Density Rechargeable Hybrid Alkali/Acid Zn-Air Battery Performance Through Value-Added Conversion Charging [J]. | ADVANCED SCIENCE , 2024 , 11 (23) . |
| MLA | Yin, Ximeng et al. "High-Power-Density Rechargeable Hybrid Alkali/Acid Zn-Air Battery Performance Through Value-Added Conversion Charging" . | ADVANCED SCIENCE 11 . 23 (2024) . |
| APA | Yin, Ximeng , Sun, Wei , Chen, Kai , Lu, Zhiwen , Chen, Junxiang , Cai, Pingwei et al. High-Power-Density Rechargeable Hybrid Alkali/Acid Zn-Air Battery Performance Through Value-Added Conversion Charging . | ADVANCED SCIENCE , 2024 , 11 (23) . |
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Polyoxometalates (POMs) have good potential for applications in different fields, including conducting materials, optics, and electrocatalysis. Of particular significance is the synthesis and development of addendum POMs. Molybdenum-oxo clusters, which are renowned for their diverse structures and electronic properties, were utilized to facilitate the synthesis of innovative materials. Herein, we employed presynthesized {XW9 Nb3O40} (X= Si/Ge) polyanions as secondary building units and different molybdenum-oxo clusters as linkers. Four new addendum POMs were constructed, including two dimeric compounds Cs10[H2(SiW9Nb3O40)2(Mo2O4C2O4)]19H2O (1) and Cs8[H4(GeW9Nb3O40)2(Mo2O4C2O4)]17H2O (2), and two tetrameric compounds Cs15(NH4)[(SiW9Nb3O40)4(Mo4O6)]42H2O (3) and Cs10K5[H(GeW9Nb3O40)4(Mo4O6)]39H2O (4). Notably, this is the first report of Mo/W/Nb ternary mixed-addendum POMs. In addition, compounds 3 and 4 facilitate the transfer of protons through extended hydrogen-bonding networks with conductivity values of 1.16 x 10-2 and 7.73 x 10-3 Scm-1 at 85 degrees C and 98% relative humidity, respectively. Furthermore, no discernible decline in conductivity was noted over the course of 10 h.
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| GB/T 7714 | Chen, Si-Jie , Ge, Rui , Hong, Li-Hao et al. Assembly of Four Ternary Polyoxometalate Aggregates by Integrating Presynthesized {XW9Nb3O40} (X = Si/Ge) Units Using Molybdenum-Oxo Clusters [J]. | INORGANIC CHEMISTRY , 2024 , 64 (1) : 142-150 . |
| MLA | Chen, Si-Jie et al. "Assembly of Four Ternary Polyoxometalate Aggregates by Integrating Presynthesized {XW9Nb3O40} (X = Si/Ge) Units Using Molybdenum-Oxo Clusters" . | INORGANIC CHEMISTRY 64 . 1 (2024) : 142-150 . |
| APA | Chen, Si-Jie , Ge, Rui , Hong, Li-Hao , Sun, Yan-Qiong , Cai, Ping-Wei , Sun, Cai et al. Assembly of Four Ternary Polyoxometalate Aggregates by Integrating Presynthesized {XW9Nb3O40} (X = Si/Ge) Units Using Molybdenum-Oxo Clusters . | INORGANIC CHEMISTRY , 2024 , 64 (1) , 142-150 . |
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Atomically precise low-nuclearity (n<10) silver nanoclusters (AgNCs) have garnered significant interest due to their size-dependent optical properties and diverse applications. However, their synthesis has remained challenging, primarily due to their inherent instability. The present study introduces a new feasible approach for clustering silver ions utilizing highly negative and redox-inert polyoxoniobates (PONbs) as all-inorganic ligands. This strategy not only enables the creation of novel Ag-PONb composite nanoclusters but also facilitates the synthesis of stable low-nuclearity AgNCs. Using this method, we have successfully synthesized a small octanuclear rhombic [Ag-8](6+) AgNC stabilized by six highly negative [LiNb27O75](14-) polyoxoanions. This marks the first PONb-protected superatomic AgNC, designated as {Ag-8@(LiNb27O75)(6)} (Ag-8@Nb-162), with an aesthetically spherical core-shell structure. The crystalline Ag-8@Nb-162 is stable under ambient conditions, What's more, it is water-soluble and able to maintain its molecular cluster structure intact in water. Further, the stable small [Ag-8](6+) AgNC has interesting temperature- and pH-dependent reversible fluorescence response, based on which a multiple optical encryption mode for anti-counterfeit technology was demonstrated. This work offers a promising avenue for the synthesis of fascinating and stable PONb-protected AgNCs and sheds light on the development of new-type optical functional materials.
Keyword ：
fluorescence fluorescence macromolecules macromolecules nanoclusters nanoclusters polyoxoniobate polyoxoniobate silver silver
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| GB/T 7714 | Hong, Li-Hao , Yue, Sheng-Nan , Huang, Xing et al. Development of Stable Water-Soluble Supratomic Silver Clusters Utilizing A Polyoxoniobate-Protected Strategy: Giant Core-Shell-Type Ag8@Nb162 Fluorescent Nanocluster [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 , 63 (29) . |
| MLA | Hong, Li-Hao et al. "Development of Stable Water-Soluble Supratomic Silver Clusters Utilizing A Polyoxoniobate-Protected Strategy: Giant Core-Shell-Type Ag8@Nb162 Fluorescent Nanocluster" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 63 . 29 (2024) . |
| APA | Hong, Li-Hao , Yue, Sheng-Nan , Huang, Xing , Sun, Cai , Cai, Ping-Wei , Sun, Yan-Qiong et al. Development of Stable Water-Soluble Supratomic Silver Clusters Utilizing A Polyoxoniobate-Protected Strategy: Giant Core-Shell-Type Ag8@Nb162 Fluorescent Nanocluster . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 , 63 (29) . |
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In this work, a novel organodiphosphate-containing inorganic-organic hybrid polyoxoniobate (PONb) ring {(PO3CH2CH2PO3H)(4)Nb8O16}(4-) (Nb8P8) has been achieved by a one-pot hydrothermal method. The ring is constructed from a tetragonal {Nb8O36} motif and four {PO3CH2CH2PO3H} ligands. Interestingly, Nb8P8 can be joined together via K-H2O clusters {K-2(H2O)(4)(OH)(2)} to form one-dimensional chains {[K-2(H2O)(4)(OH)(2)]Nb8P8}(n) and further linked by {Cu(en)(2)}(2+) (en = ethylenediamine) complexes, resulting in a three-dimensional supramolecular framework {[Cu(en)(2)](2)[K-2(H2O)(4)(OH)(2)]Nb8P8}3enH2O (1). 1 exhibits good chemical and thermal stability and has a high water vapor adsorption capacity of <= 224 cm(3) g(-1) (22.71 molmol(-1)) at 298 K, outperforming most of the known polyoxometalate-based materials. Impedance measurements prove that 1 can transfer protons with moderate conductivity. This study not only contributes to the structural diversity of organodiphosphate-containing PONbs and PONb rings but also provides a reference for the development of PONb-based materials with unique performance.
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| GB/T 7714 | Cong, Yu-Chen , Xiao, Hui-Ping , Cai, Ping-Wei et al. An Organodiphosphate-Containing Polyoxoniobate Ring and Its Assembly into a Three-Dimensional Framework through Hydrogen Bonding [J]. | INORGANIC CHEMISTRY , 2024 , 63 (20) : 9204-9211 . |
| MLA | Cong, Yu-Chen et al. "An Organodiphosphate-Containing Polyoxoniobate Ring and Its Assembly into a Three-Dimensional Framework through Hydrogen Bonding" . | INORGANIC CHEMISTRY 63 . 20 (2024) : 9204-9211 . |
| APA | Cong, Yu-Chen , Xiao, Hui-Ping , Cai, Ping-Wei , Sun, Cai , Sun, Yan-Qiong , Qi, Ming-Qiang et al. An Organodiphosphate-Containing Polyoxoniobate Ring and Its Assembly into a Three-Dimensional Framework through Hydrogen Bonding . | INORGANIC CHEMISTRY , 2024 , 63 (20) , 9204-9211 . |
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Nature seems to favor the formation of closed anion-templated silver clusters. How precisely to create non-closed sliver clusters remains an interesting challenge. In this work, we propose that the use of transition-metal-coordination-cluster substituted polyoxometalates (TMCC-substituted POMs) as templates is an effective synthetic strategy for creating the non-closed silver clusters, as demonstrated by the obtainment of four types of rare non-closed silver cluster species of Ag38-TM (TM = Co, Ni or Zn), Ag37-Zn, {Ag37-Zn}∞ and Ag36-TM (TM = Co, Ni). The idea of the strategy is to employ the TMCC-substituted POMs containing cluster modules with different bond interactions with Ag+ ions as templates to guide the formation of the non-closed silver clusters. For example, TMCC-substituted POM clusters are used as templates in this work, which contain POM modules that can coordinate with the Ag+ ions and TMCC moieties that are difficult to coordinate with the Ag+ ions, leading to the Ag+ ions being unable to form closed clusters around TMCC-substituted POM templates. The work demonstrates a promising approach to developing intriguing and unexplored non-closed silver clusters. © 2024 The Royal Society of Chemistry.
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| GB/T 7714 | Ge, R. , Cai, P.-W. , Sun, C. et al. Development of non-closed silver clusters by transition-metal-coordination-cluster substituted polyoxometalate templates [J]. | Chemical Science , 2024 , 15 (31) : 12543-12549 . |
| MLA | Ge, R. et al. "Development of non-closed silver clusters by transition-metal-coordination-cluster substituted polyoxometalate templates" . | Chemical Science 15 . 31 (2024) : 12543-12549 . |
| APA | Ge, R. , Cai, P.-W. , Sun, C. , Sun, Y.-Q. , Li, X.-X. , Zheng, S.-T. . Development of non-closed silver clusters by transition-metal-coordination-cluster substituted polyoxometalate templates . | Chemical Science , 2024 , 15 (31) , 12543-12549 . |
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Integrating Fenton chemistry and nanomedicine into cancer therapy has significantly promoted the development of chemodynamic therapy (CDT). Nanoscale polyoxometalates (POMs), with their reversible redox properties, exhibit promising potential in developing outstanding CDT drugs by exploring their Fenton-like catalytic reactivity in tumor environments. However, such research is still in its infancy due to the challenges of acquiring POMs that are both easily prepared and possess ideal therapeutic effects, physiological solubility, biocompatibility and safety. In this work, we report the synthesis of a new crystalline antimonotungstate {Dy2Sb2W7O23(OH)(DMF)2(SbW9O33)2} (1, DMF=N, N-dimethylformamide) with gram-scale high yield via a facile "one-pot" solvothermal reaction. 1 exhibits not only a soluble and water-stable POM nanocluster, but also excellent catalytic activity for hydroxyl radical-generating Fenton-like reactions. Further biomedical studies reveal that 1 can trigger cell apoptosis and promote lipid peroxidation, exhibiting high cytotoxicity and selectivity towards B16-F10 mouse melanoma cancer cells with an IC50 value of 4.75 mu M. Especially, 1 can inhibit melanoma growth in vivo with favorable biosafety, achieving a 5.2-fold reduction in tumor volume and a weight loss of 76.0 % at the dose of 70 mu g/kg. This research not only demonstrates the immense potential of antimonotungstates in CDT drug development for the first time but also provides new insights and directions for the development of novel anticancer drugs.
Keyword ：
antitumor antitumor chemodynamic therapy chemodynamic therapy nanocluster nanocluster polyoxometalate polyoxometalate polyoxotungstate polyoxotungstate
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| GB/T 7714 | Xiao, Hui-Ping , Du, Man-Yi , Sun, Xian-Bin et al. A Highly Biocompatible Polyoxotungstate with Fenton-like Reaction Activity for Potent Chemodynamic Therapy of Tumors [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 . |
| MLA | Xiao, Hui-Ping et al. "A Highly Biocompatible Polyoxotungstate with Fenton-like Reaction Activity for Potent Chemodynamic Therapy of Tumors" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2024) . |
| APA | Xiao, Hui-Ping , Du, Man-Yi , Sun, Xian-Bin , Xu, Ruo-Fei , Li, Dong-Miao , Yue, Sheng-Nan et al. A Highly Biocompatible Polyoxotungstate with Fenton-like Reaction Activity for Potent Chemodynamic Therapy of Tumors . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 . |
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It is promising but still challenging for the widespread application of aqueous zinc batteries due to the poor reversibility of the zinc anode caused by prevalent dendrite growth and pronounced interfacial side reactions. Herein, we report a rare soluble and water-stable high-nuclearity {Nd9Si4W39} polyoxotungstate. Interestingly, upon encountering Zn2+ ions, the discrete {Nd9Si4W39} nanocluster undergoes a structural transformation to form an infinitely extended cluster-based {[Zn(H2O)4]3[Nd9Si4W39]2} two-dimensional honeycomb layer, with which atomic-level Zn2+ ion effects in reconstructing the layer are determined. More interestingly, we demonstrate that the structural transformation property renders the {Nd9Si4W39} cluster an efficient electrolyte additive for aqueous zinc batteries, enabling the formation of the 2D layer as a protective layer on the zinc anode, significantly enhancing the reversibility of the zinc anode. Compared to the pristine Zn//Zn symmetric battery, the Zn//Zn symmetric battery with the {Nd9Si4W39} additive exhibits an extended lifespan of over 2000 hours at a current density of 1 mA cm-2. In situ optical microscopy, Raman spectroscopy, and molecular dynamics simulations reveal that the formation of the protective layer effectively promotes uniform zinc deposition, and inhibits zinc agglomeration, dendrite growth, and side reactions, thereby enabling the zinc anode to exhibit high reversibility and long-term service life.
Keyword ：
Aqueous Zinc-Ion Battery Aqueous Zinc-Ion Battery Electrolyte Additive Electrolyte Additive Polyoxometalate Polyoxometalate Polyoxotungstate Polyoxotungstate Structural Transformation Structural Transformation
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| GB/T 7714 | Chen, Yi , Zhang, Ze-Xun , Cai, Ping-Wei et al. Polyoxotungstate Featuring Zinc-Ion-Triggered Structural Transformation as An Efficient Electrolyte Additive for Aqueous Zinc-Ion Batteries [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 . |
| MLA | Chen, Yi et al. "Polyoxotungstate Featuring Zinc-Ion-Triggered Structural Transformation as An Efficient Electrolyte Additive for Aqueous Zinc-Ion Batteries" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2024) . |
| APA | Chen, Yi , Zhang, Ze-Xun , Cai, Ping-Wei , Guo, Zheng-Wei , Lu, Zhi-Wen , Sun, Cai et al. Polyoxotungstate Featuring Zinc-Ion-Triggered Structural Transformation as An Efficient Electrolyte Additive for Aqueous Zinc-Ion Batteries . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 . |
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Inspired by the metal-oxo cluster structural feature and charge separation behaviour of the oxygen evolving center (OEC) in photosystem II (PS-II) under photoirradiation, a new crystalline photochromic polyoxomolybdate, MV2[beta-Mo8O26] (1, MV=methyl viologen cation), is designed as a biomimetic oxygen evolution reaction (OER) catalyst in neutral electrolytes. After photoinduced electron transfer (PIET) with colour change from colourless to grey, it remains in an ultra-stable charge-separated state over a year under ambient conditions. The observed overpotential at 10 mA & sdot; cm-2 and Tafel slope decrease by 49 mV and 62.8 mV & sdot; dec-1 after coloration, respectively. The outstanding OER performance of the coloured state in neutral electrolytes even outperforms the commercial RuO2 benchmark. Experimental and theoretical studies show that oxygen holes within polyanions after irradiation serve as sites for enhancing direct O-O coupling, thus effectively promoting OER. This is the first successful application of electron-transfer photochromism to realize OER activity gain. Electron-transfer photochromism is used to enhance the oxygen evolution reaction (OER) activity, providing an innovative design concept for the development of non-precious metal OER catalysts in artificial photosynthesis devices.+image
Keyword ：
Charge-Separated State Charge-Separated State OER OER Photochromism Photochromism Polyoxometalate Polyoxometalate Polyoxomolybdate Polyoxomolybdate
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| GB/T 7714 | Li, Da-Huan , Zhang, Xiao-Yue , Lv, Jiang-Quan et al. Photo-Activating Biomimetic Polyoxomolybdate for Boosting Oxygen Evolution in Neutral Electrolytes [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2023 , 62 (46) . |
| MLA | Li, Da-Huan et al. "Photo-Activating Biomimetic Polyoxomolybdate for Boosting Oxygen Evolution in Neutral Electrolytes" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 62 . 46 (2023) . |
| APA | Li, Da-Huan , Zhang, Xiao-Yue , Lv, Jiang-Quan , Cai, Ping-Wei , Sun, Yan-Qiong , Sun, Cai et al. Photo-Activating Biomimetic Polyoxomolybdate for Boosting Oxygen Evolution in Neutral Electrolytes . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2023 , 62 (46) . |
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