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学者姓名：郑寿添
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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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The integration of high-nuclearity lanthanide-oxo (Ln-O) clusters into polyoxotungstates (POTs) presents a formidable synthetic challenge due to intricate assembly mechanisms and the labile nature of lanthanide coordination. Herein, we present an innovative alkaline-mediated templating strategy for constructing unprecedented Ln-oxo-cluster-encapsulated POTs through the synergistic assembly of lacunary polyoxotungstate precursors with in situ generated Ln-oxo clusters. This approach employs basic N-containing ligands and selenite (SeO32-) anions as synergistic structure-directing agents. Guided by this approach, we have successfully synthesized two series of giant Ln21-oxo-cluster-embedded polyoxotungstates, H23K30(H2O)18{[Ln21(H2O)9(WO6)(SeO3)6][Ln3(SeO3)2]2(GeW10O38)9}solvent (1-Ln) (Ln = Eu, Gd, Tb, Dy) and H27Na3K21(H2O)11(MePIP)2{[Ln21(H2O)9(WO6)(SeO3)6][Ln3(SeO3)2]2(GeW10O38)9}solvent (2-Ln) (Ln = Eu, Tb, MePIP = N-methylpiperazine). Notably, these compounds feature a rare pinwheel-shaped high-nuclearity Ln21-oxo-cluster-embedded polyanion, {[Ln21(H2O)9(WO6)(SeO3)6][Ln3(SeO3)2]2(GeW10O38)9} ({Ln27Se10Ge9W91}), with a three-layered sandwich structure. Compounds 1-Eu and 2-Eu exhibit distinct proton conduction properties due to their different packing structures. In particular, 1-Eu demonstrates a high single-crystal proton conductivity of 1.8 x 10-2 S cm-1 at 98% RH and 25 degrees C along the [001] channel direction, outperforming most crystalline porous materials. Additionally, 1-Eu exhibits temperature-dependent fluorescence. The 1-Eu0.25Dy0.75 sample can emit macroscopic white light under blue irradiation. This work provides a feasible strategy for constructing high-nuclearity Ln-oxo-cluster-containing POTs and expands their application in smart proton conductive materials and multicolor luminescent systems.
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| GB/T 7714 | Cao, Yun-Fei , Jin, Xin-Rong , Xia, Wen-Jun et al. A series of pinwheel-shaped Ln21-oxo-cluster-embedded polyoxometalates as single-crystal proton-conductive and tunable photoluminescent materials [J]. | INORGANIC CHEMISTRY FRONTIERS , 2025 . |
| MLA | Cao, Yun-Fei et al. "A series of pinwheel-shaped Ln21-oxo-cluster-embedded polyoxometalates as single-crystal proton-conductive and tunable photoluminescent materials" . | INORGANIC CHEMISTRY FRONTIERS (2025) . |
| APA | Cao, Yun-Fei , Jin, Xin-Rong , Xia, Wen-Jun , Sun, Yan-Qiong , Li, Xin-Xiong , Zheng, Shou-Tian . A series of pinwheel-shaped Ln21-oxo-cluster-embedded polyoxometalates as single-crystal proton-conductive and tunable photoluminescent materials . | INORGANIC CHEMISTRY FRONTIERS , 2025 . |
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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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The integration of the rich electronic properties of 3d-4f heterometallic clusters with rigid and diamagnetic polyoxometalates is of great interest and is expected to yield novel materials with enhanced properties due to synergistic effects. For the first time, the study succeeds in introducing fluorescent Zn-Ln heterometallic clusters into polyoxoniobates (PONbs), forming a family of rare giant heterometallic PONbs with various architectures, including 78-metal {Zn10Eu8Nb60}, 112-metal {Zn16Ln8Nb88} (Ln = La, Y), and 165-metal {Na2Zn29Ln12Nb122} (Ln = Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho). These heterometallic PONbs exhibit many appealing structural features and unique building blocks. Particularly, they are the largest 3d-4f heterometallic PONbs and also the PONbs incorporating the largest number of 3d-4f metal ions and the highest-nuclearity 3d-4f clusters known to date. Furthermore, the combination of PONbs and Zn-Ln clusters renders these new-type heterometallic PONbs multicolor luminescent characteristics and high fluorescence quantum yields, making them promising candidate cluster molecules for responsive photonic barcodes.
Keyword ：
fluorescence fluorescence high-nuclearity high-nuclearity lanthanide lanthanide polyoxometalates polyoxometalates zinc zinc
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| GB/T 7714 | Ye, Jing , Yu, Lan , Wang, Yong-Jiang et al. Giant 3d-4f Heterometallic Polyoxoniobates of {Na2Zn29Ln12Nb122}, {Zn10Eu8Nb60}, and {Zn16Ln8Nb88} with Photonic Barcodes [J]. | SMALL , 2025 . |
| MLA | Ye, Jing et al. "Giant 3d-4f Heterometallic Polyoxoniobates of {Na2Zn29Ln12Nb122}, {Zn10Eu8Nb60}, and {Zn16Ln8Nb88} with Photonic Barcodes" . | SMALL (2025) . |
| APA | Ye, Jing , Yu, Lan , Wang, Yong-Jiang , Li, Xin-Xiong , Sun, Yan-Qiong , Zheng, Shou-Tian . Giant 3d-4f Heterometallic Polyoxoniobates of {Na2Zn29Ln12Nb122}, {Zn10Eu8Nb60}, and {Zn16Ln8Nb88} with Photonic Barcodes . | SMALL , 2025 . |
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The incorporation of 3d-5p heterometallic clusters into polyoxotungstates not only enables the construction of novel and intriguing structures but also enhances the resultant materials with exceptional properties. Here, we present an unique strontium-bridged purely inorganic two-dimensional layered polyoxotungstate, H7Sr2.5(H2O)15.5[Ni7Sb6O9(OH)6(B-alpha-SiW9O34)2]& sdot;25.5H2O (1), which is composed of a sandwich-type thirteennuclear Ni-Sb heterometallic cluster {Ni7Sb6} and two {B-alpha-SiW9O34} units. Notably, compound 1 undergoes a single-crystal-to-single-crystal transformation, accompanied by the partial substitution of Sr2+ ions with Co2+ ions, resulting in a transition from a two-dimensional to a three-dimensional structure while maintaining excellent crystallinity. This process provides an opportunity to elucidate the ions exchange mechanism at the atomic level. Furthermore, electrochemical impedance studies reveal that 1 exhibits good proton conductivity, reaching 1.40 x 10-3 S cm- 1, under conditions of 85 degrees C and 98 % relative humidity.
Keyword ：
3d-5p heterometallic cluster 3d-5p heterometallic cluster Ion exchange Ion exchange Polyoxotungstates Polyoxotungstates Proton conduction Proton conduction
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| GB/T 7714 | Chen, Yi , Guo, Zheng-Wei , Li, Xin-Xiong et al. A nickel-antimony cluster-substituted polyoxotungstate-based all-inorganic two-dimensional layered material: synthesis, structure, and properties [J]. | INORGANIC CHEMISTRY COMMUNICATIONS , 2025 , 179 . |
| MLA | Chen, Yi et al. "A nickel-antimony cluster-substituted polyoxotungstate-based all-inorganic two-dimensional layered material: synthesis, structure, and properties" . | INORGANIC CHEMISTRY COMMUNICATIONS 179 (2025) . |
| APA | Chen, Yi , Guo, Zheng-Wei , Li, Xin-Xiong , Sun, Yan-Qiong , Cai, Ping-Wei , Zheng, Shou-Tian . A nickel-antimony cluster-substituted polyoxotungstate-based all-inorganic two-dimensional layered material: synthesis, structure, and properties . | INORGANIC CHEMISTRY COMMUNICATIONS , 2025 , 179 . |
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The novel Sc-containing polyoxoniobate, H16.5K9Na16.5[Sc3(Nb7O22)(Nb14O42)3]115.5H2O, has been successfully synthesized. It exhibits a unique heptameric structure and demonstrates catalytic activity towards the Knoevenagel condensation reaction, along with broad substrate compatibility.
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| GB/T 7714 | Lin, Ya-Ting , Zeng, Li , Li, Yi-Ying et al. A scandium-containing polyoxoniobate heptamer as a catalyst for the Knoevenagel condensation reaction [J]. | DALTON TRANSACTIONS , 2025 , 54 (21) : 8425-8429 . |
| MLA | Lin, Ya-Ting et al. "A scandium-containing polyoxoniobate heptamer as a catalyst for the Knoevenagel condensation reaction" . | DALTON TRANSACTIONS 54 . 21 (2025) : 8425-8429 . |
| APA | Lin, Ya-Ting , Zeng, Li , Li, Yi-Ying , Sun, Yan-Qiong , Li, Xin-Xiong , Zheng, Shou-Tian . A scandium-containing polyoxoniobate heptamer as a catalyst for the Knoevenagel condensation reaction . | DALTON TRANSACTIONS , 2025 , 54 (21) , 8425-8429 . |
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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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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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In the past, the synthesis of polyoxometalate (POM)-templated silver nanoclusters typically relied on the use of organic salts of POMs as starting templates, thereby limiting the solvent selectivity in the synthesis. The utilization of pure-inorganic POMs as starting templates in developing novel POM-templated silver nanoclusters has been neglected. Herein, we have used pure-inorganic polyoxoniobates as a starting template to synthesize a new silver nanocluster H4[Nb6O19@Ag40(iPrS)28S4] (Ag40) (iPrS = isopropylthiolate). Single-crystal X-ray diffraction analysis showed that the silver nanocluster exhibits a remarkable core-shell structure featuring a Lindqvist-type [Nb6O19]8- polyanion as a template, surrounded by 40-nucleated silver ions as the metal shell and capped by iPrS- ligands. Interestingly, the silver nanocluster exhibits significant fluorescence properties at low temperatures, demonstrating temperature-dependent fluorescence, making it a potential candidate for temperature sensing. This work provides a new strategy for new POM-templated silver nanoclusters by using pure-inorganic POMs as starting templates. It also offers new insights into the anionic template method for synthesizing silver nanoclusters.
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| GB/T 7714 | Zeng, Li , Lin, Ya-Ting , Hong, Li-Hao et al. A new silver-thiolate nanocluster synthesized utilizing pure-inorganic polyoxoniobate as a starting template and its variable-temperature fluorescence properties [J]. | CRYSTENGCOMM , 2025 , 27 (18) : 2883-2887 . |
| MLA | Zeng, Li et al. "A new silver-thiolate nanocluster synthesized utilizing pure-inorganic polyoxoniobate as a starting template and its variable-temperature fluorescence properties" . | CRYSTENGCOMM 27 . 18 (2025) : 2883-2887 . |
| APA | Zeng, Li , Lin, Ya-Ting , Hong, Li-Hao , Sun, Yan-Qiong , Xie, Jianping , Zheng, Shou-Tian et al. A new silver-thiolate nanocluster synthesized utilizing pure-inorganic polyoxoniobate as a starting template and its variable-temperature fluorescence properties . | CRYSTENGCOMM , 2025 , 27 (18) , 2883-2887 . |
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