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学者姓名：孙财
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Abstract ：
Ln-containing polyoxoniobates (PONbs) have appealing applications in luminescence, information encryption and magnetic fields, but the synthesis of PONbs containing high-nuclearity Ln-O clusters is challenging due to the easy hydrolysis of Ln3 + ions in alkaline environments. In this paper, we are able to integrate CO3 2- and high-nuclearity Ln-O clusters into PONb to construct an inorganic giant Eu19 -embedded PONb H49 K16 Na13 (H2 O)63 [Eu21 O2 (OH)7 (H2 O)5 (Nb7 O22 )10 (Nb2 O6 )2 (CO3 )18 ] 91H2 O ( 1 ), which contains the highest nuclearity Eu-O clusters and the largest number of Eu3 + ions among PONbs. In addition, the film that was prepared by mixing 1 with gelatin and glycerol, exhibits reversible luminescence switching behavior under acid/alkali stimulation and has been used to create a fluorescence-encoded information approach. This work paves a feasible strategy for the construction of high-nuclearity Ln-O cluster-containing PONbs and the expansion of the application of Ln-containing PONbs in information encryption. (c) 2024 Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.
Keyword ：
Acid/alkali stimulation Acid/alkali stimulation Information encryption Information encryption Lanthanide Lanthanide Luminescence Luminescence Polyoxoniobate Polyoxoniobate
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| GB/T 7714 | Xia, Wen-Jun , Wang, Yong-Jiang , Cao, Yun-Fei et al. A luminescent folded S-shaped high-nuclearity Eu19 -oxo-cluster emb e dde d polyoxoniobate for information encryption [J]. | CHINESE CHEMICAL LETTERS , 2025 , 36 (2) . |
| MLA | Xia, Wen-Jun et al. "A luminescent folded S-shaped high-nuclearity Eu19 -oxo-cluster emb e dde d polyoxoniobate for information encryption" . | CHINESE CHEMICAL LETTERS 36 . 2 (2025) . |
| APA | Xia, Wen-Jun , Wang, Yong-Jiang , Cao, Yun-Fei , Sun, Cai , Li, Xin-Xiong , Sun, Yan-Qiong et al. A luminescent folded S-shaped high-nuclearity Eu19 -oxo-cluster emb e dde d polyoxoniobate for information encryption . | CHINESE CHEMICAL LETTERS , 2025 , 36 (2) . |
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Fabrication of gas sensors with high sensibility appears particularly important due to the urgent demand for toxic gases monitoring in public safety and atmosphere detection, especially for the detection requirement of ultra-low concentration gases. Here, we present a rare three-dimensional (3D) all-inorganic polyoxoniobate (PONb) framework based on {Cu4@Nb29} secondary building units linked with both tetranuclear {Cu4(OH)5} clusters and mononuclear [Cu(H2O)]2+ units. Remarkably, this 3D PONb framework exhibits an ultrasensitive response to NH3 with a lowest limit of detection of 1.64 ppt up to now. Furthermore, the NH3 induced single-crystal-to-single-crystal transformation as well as density functional theory analysis reveal that the strong coordination affinity of [Cu(H2O)]2+ linker for NH3, along with more injection of charge into the framework, results in a ultrasensitivity chemiresistive responses to NH3, at atomic-level insight.
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| GB/T 7714 | Guo, Zheng-Wei , Yan, Yan-Huang , Chen, Yi et al. An all-inorganic three-dimensional polyoxoniobate framework with ppb-level chemiresistive sensing for ammonia [J]. | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
| MLA | Guo, Zheng-Wei et al. "An all-inorganic three-dimensional polyoxoniobate framework with ppb-level chemiresistive sensing for ammonia" . | NATURE COMMUNICATIONS 16 . 1 (2025) . |
| APA | Guo, Zheng-Wei , Yan, Yan-Huang , Chen, Yi , Li, Yi-Ying , Li, Xin-Xiong , Sun, Cai et al. An all-inorganic three-dimensional polyoxoniobate framework with ppb-level chemiresistive sensing for ammonia . | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
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The escalating crisis of polyethylene terephthalate (PET) plastic waste is constrained by the high energy consumption and high cost of recycling methods. Here, we propose a “one stone, two birds” strategy based on an all-inorganic polyoxoniobate (PONb) framework, which not only serves as an adsorbent for selectively capturing trace uranyl ions from uranium-containing wastewater with high removal rate of ∼98.5%, but also, when uranyl ions are anchored within the framework, acts as a photocatalyst capable of efficiently oxidizing and degrading PET plastic waste with 92.3% isolated yield of value-added terephthalic acid (TPA). Notably, trace uranium uptake achieves extremely high catalytic activity, with a maximum turnover frequency (TOF) value exceeding that of homogeneous uranyl nitrate by 160 times, while maintaining yield over multiple cycles. The efficient catalytic activity stems from the coupling of hydrogen atom transfer (HAT) and single electron transfer (SET) processes involving highly oxidizing excited-state uranyl. This work provides a low-energy and low-cost method that simultaneously addresses the dual pollution challenges of uranium-containing wastewater and PET plastic waste, recovers uranium resources, and obtains value-added chemicals, demonstrating potential to play a key role in advancing circular economy and sustainable development. © 2025 Wiley-VCH GmbH.
Keyword ：
PET degradation PET degradation photocatalysis photocatalysis polyoxometalate polyoxometalate polyoxoniobate polyoxoniobate uranium uptake uranium uptake
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| GB/T 7714 | Liu, Y.-X. , Jia, L. , Li, Y.-R. et al. Bridging Uranium Uptake and PET Plastics Degradation Within an All-Inorganic Polyoxoniobate Framework [J]. | Advanced Functional Materials , 2025 . |
| MLA | Liu, Y.-X. et al. "Bridging Uranium Uptake and PET Plastics Degradation Within an All-Inorganic Polyoxoniobate Framework" . | Advanced Functional Materials (2025) . |
| APA | Liu, Y.-X. , Jia, L. , Li, Y.-R. , Cai, P.-W. , Ou, M.-R. , Sun, C. et al. Bridging Uranium Uptake and PET Plastics Degradation Within an All-Inorganic Polyoxoniobate Framework . | Advanced Functional Materials , 2025 . |
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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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This work developed an inorganic-organic hybrid integrated polyoxoniobate (PONb) heterogeneous catalyst, representing the first instance of achieving efficient aldehyde oxidation using a single catalyst and clean O2 as the oxidant, without the need for high temperatures or additional co-catalysts. The catalyst exhibited excellent scalability for gram-scale reactions and proved to be recyclable. Its remarkable catalytic performance arises from the synergistic interplay of three key components within the integrated catalyst: cobalt complex cations serve as active sites for oxygen activation, Nb-oxo polyoxoanions provide Br & oslash;nsted basicity, and lattice water molecules enhance efficient mass transfer across the liquid-solid interface. This integrated catalyst not only overcomes the bottleneck of low reaction efficiency in the gas-solid-liquid triphasic system for heterogeneous aerobic oxidation of aldehydes, but also provides a novel design strategy for green catalysis.
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| GB/T 7714 | Li, Yan-Ru , Chen, Chun-Xia , Qi, Ke-Xin et al. Development of an integrated polyoxoniobate catalyst with oxygen activation and basicity as a green catalyst for efficient aerobic oxidation of aldehydes at room temperature [J]. | GREEN CHEMISTRY , 2025 , 27 (26) : 7781-7787 . |
| MLA | Li, Yan-Ru et al. "Development of an integrated polyoxoniobate catalyst with oxygen activation and basicity as a green catalyst for efficient aerobic oxidation of aldehydes at room temperature" . | GREEN CHEMISTRY 27 . 26 (2025) : 7781-7787 . |
| APA | Li, Yan-Ru , Chen, Chun-Xia , Qi, Ke-Xin , Sun, Cai , Zheng, Shou-Tian . Development of an integrated polyoxoniobate catalyst with oxygen activation and basicity as a green catalyst for efficient aerobic oxidation of aldehydes at room temperature . | GREEN CHEMISTRY , 2025 , 27 (26) , 7781-7787 . |
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Niobium oxides are considered as promising anode materials for lithium-ion batteries (LIBs) due to their excellent rate-performance. However, the practical application is hindered by their limited specific capacity. In this work, we report the first example of an all-inorganic two-dimensional (2D) niobate framework as anode material for LIBs. The title compound is based on antimony-linked bivanadyl-capped alpha-Keggin polyoxoniobates as secondary building units. The compound undergoes a unique single-crystal-to-single-crystal (SCSC) transformation triggered by formic acid which results in the migration of a {VO} unit into the framework interlayer. This results in a 34% increase of the specific capacity, reaching 519 mAh g-1 at 0.1 A g-1, thereby surpassing most Nb-based LIB anode materials. Experimental and theoretical calculations reveal that the SCSC transformation exposes more Li-binding sites in the framework, and reduces the interlayer Li-ion diffusion barrier, leading to a capacity increase. This work presents the first example of a SCSC transformation leading to enhanced LIB performance and offers atomic-level insights into the design of advanced LIB anode materials.
Keyword ：
Capacity enhancement Capacity enhancement Li-Ion battery Li-Ion battery Polyoxometalate Polyoxometalate Polyoxoniobate Polyoxoniobate SCSC Transformation SCSC Transformation
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| GB/T 7714 | Sun, Cai , Chen, Jian-Ping , Wu, Yan-Lan et al. Single-Crystal-to-Single-Crystal Transformation in a Thermally Stable All-Inorganic Polyoxoniobate Framework Boosts Lithium Ion Battery Anode Performance [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (31) . |
| MLA | Sun, Cai et al. "Single-Crystal-to-Single-Crystal Transformation in a Thermally Stable All-Inorganic Polyoxoniobate Framework Boosts Lithium Ion Battery Anode Performance" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 64 . 31 (2025) . |
| APA | Sun, Cai , Chen, Jian-Ping , Wu, Yan-Lan , Li, Yi-Ying , Li, Xin-Xiong , Cai, Ping-Wei et al. Single-Crystal-to-Single-Crystal Transformation in a Thermally Stable All-Inorganic Polyoxoniobate Framework Boosts Lithium Ion Battery Anode Performance . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (31) . |
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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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Here, a case of bilayer heterojunction Pd-containing polyoxotungstate (POW), connecting a Te3Pd3 ring and an Anderson-like TeW6 cluster, has been synthesized. The Anderson-like cluster is the first example in POW. The coordination of Pd in the ring with the S atom on the sulfo group breaks the traditional coordination configuration of Pd and O in polyoxometalates (POMs), enriching the structural types of Pd-containing POMs. In addition, the hybrid bilayer heterojunction structure at the molecular level not only provides high thermal stability but also results in spatial arrangement anisotropy, leading to up to five times the anisotropic proton conductivity.
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| GB/T 7714 | Jia, Lei , Liu, Yi-Xin , Li, Xin-Xiong et al. A Palladium-Containing Polyoxotungstate with Anisotropic Proton Conductivity [J]. | INORGANIC CHEMISTRY , 2024 , 63 (31) : 14308-14312 . |
| MLA | Jia, Lei et al. "A Palladium-Containing Polyoxotungstate with Anisotropic Proton Conductivity" . | INORGANIC CHEMISTRY 63 . 31 (2024) : 14308-14312 . |
| APA | Jia, Lei , Liu, Yi-Xin , Li, Xin-Xiong , Sun, Cai , Zheng, Shou-Tian . A Palladium-Containing Polyoxotungstate with Anisotropic Proton Conductivity . | INORGANIC CHEMISTRY , 2024 , 63 (31) , 14308-14312 . |
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A series of proof-of-concept models of polyoxomolybdates with different protonated disubstituted aniline counterions and the same beta-Mo8O26 polyanion were synthesized to study the mechanism governing the formation of the intermolecular charge transfer (inter-CT) band. A series of proof-of-concept models of polyoxomolybdates were synthesized to study the mechanism governing the formation of the intermolecular charge transfer band.
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| GB/T 7714 | Zhang, Xiao-Yue , Fan, Jin-Ai , Chen, Zhe-Hong et al. The mechanism governing the formation of intermolecular charge transfer bands: a series of polyoxomolybdates as a case study [J]. | DALTON TRANSACTIONS , 2024 , 53 (14) : 6162-6167 . |
| MLA | Zhang, Xiao-Yue et al. "The mechanism governing the formation of intermolecular charge transfer bands: a series of polyoxomolybdates as a case study" . | DALTON TRANSACTIONS 53 . 14 (2024) : 6162-6167 . |
| APA | Zhang, Xiao-Yue , Fan, Jin-Ai , Chen, Zhe-Hong , Sun, Cai , Zheng, Shou-Tian . The mechanism governing the formation of intermolecular charge transfer bands: a series of polyoxomolybdates as a case study . | DALTON TRANSACTIONS , 2024 , 53 (14) , 6162-6167 . |
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Efficient electrocatalysts for the oxygen evolution reaction (OER) are paramount to the development of electrochemical devices for clean energy and fuel conversion. However, due to the complicated structures of heterogeneous electrocatalysts, it is a great challenge to elucidate the intrinsic activity of the catalytic sites on their surfaces. In this work, we report the synthesis and characterisation of a 9-Co(ii)-containing trimetric cyclic polyoxogermanotungstate cluster, K9Na3H7[Co9(H2O)6(OH)3(SeO3)2(B-alpha-GeW9O34)3]39H2O (Co9-POT), which exhibits distinct physicochemical properties and a well-defined single-crystal structure. The triangular nonacobalt(ii)-oxo cluster {Co9(H2O)6(OH)3(SeO3)2} ({Co9Se2}) in Co9-POT consists of three identical quasi-cubane {Co3O4} subunits capped by two SeO32- anions. Co9-POT exhibits electrocatalytic activity for the alkaline OER, with a turnover frequency (TOF) of the catalytically active site Co of 0.18 s-1 at an overpotential of 400 mV. In situ operational Raman and electrochemical impedance spectroscopy techniques explicitly capture the dynamic evolution of the OER process. This work provides insights into the structure-performance relationship in the OER process and the design of electrocatalysts with high atomic activity. A structurally well-defined 9-Co(ii)-containing trimetric cyclic polyoxogermanotungstate, K9Na3H7[Co9(H2O)6(OH)3(SeO3)2(B-alpha-GeW9O34)3]39H2O (Co9-POT), exhibits electrocatalytic activity for the oxygen evolution reaction (OER) in alkaline media.
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| GB/T 7714 | Li, Da-Huan , Jia, Lei , Liu, Yi-Xin et al. A Co-containing polyoxogermanotungstate for alkaline electrocatalytic water oxidation [J]. | INORGANIC CHEMISTRY FRONTIERS , 2024 , 11 (20) : 7049-7057 . |
| MLA | Li, Da-Huan et al. "A Co-containing polyoxogermanotungstate for alkaline electrocatalytic water oxidation" . | INORGANIC CHEMISTRY FRONTIERS 11 . 20 (2024) : 7049-7057 . |
| APA | Li, Da-Huan , Jia, Lei , Liu, Yi-Xin , Sun, Cai , Li, Xin-Xiong , Cai, Ping-Wei et al. A Co-containing polyoxogermanotungstate for alkaline electrocatalytic water oxidation . | INORGANIC CHEMISTRY FRONTIERS , 2024 , 11 (20) , 7049-7057 . |
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