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学者姓名：孙燕琼
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Abstract ：
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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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 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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Three novel inorganic-organic hybrid polyoxoniobates (PONbs), H27K2Na6(H2O)17[K(H2O)(Nb6O19)2(Nb6O20) (RA)2]center dot 13H2O (1, H5RA = C7H11NO7P2, risedronic acid), H21(CN3H6)12[K3(H2O)(Nb6O19)2(Nb6O20)(ZA)2]center dot 5H2O (2, H5ZA = C5H10N2O7P2, zoledronic acid, CN3H6 = guanidine) and H24(CN3H6)7K2(H2O)4[K3(H2O)2(Nb6O19)2(Nb6O20)(EA)2]center dot 8H2O (3, H5EA = C2H8O7P2, etidronic acid, CN3H6 = guanidine) were successfully synthesized. The polyoxoanion clusters are in a small boat shape and consist of {(Nb6O19)2(Nb6O20)} unit and two deprotonated RA5-, ZA5-, and EA5- ligands, respectively. Furthermore, PONb 1 can be used as an effective heterogeneous catalyst for the Knoevenagel condensation reaction with high yields and good substrate compatibility under optimal conditions. In addition, PONb 1 also has good catalytic activity in gram-scale reactions.
Keyword ：
Knoevenagel condensation reaction Knoevenagel condensation reaction Organophosphonate Organophosphonate Polyoxoniobate Polyoxoniobate
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| GB/T 7714 | Zhang, Xue-Yu , Li, Yan-Ru , Hong, Li-Hao et al. Bisphosphonate-modified boat-shaped polyoxoniobates for efficient catalysis of knoevenagel condensation [J]. | JOURNAL OF SOLID STATE CHEMISTRY , 2025 , 347 . |
| MLA | Zhang, Xue-Yu et al. "Bisphosphonate-modified boat-shaped polyoxoniobates for efficient catalysis of knoevenagel condensation" . | JOURNAL OF SOLID STATE CHEMISTRY 347 (2025) . |
| APA | Zhang, Xue-Yu , Li, Yan-Ru , Hong, Li-Hao , Wu, Ping-Xin , Cong, Yu-Chen , Mi, Ying-Hao et al. Bisphosphonate-modified boat-shaped polyoxoniobates for efficient catalysis of knoevenagel condensation . | JOURNAL OF SOLID STATE CHEMISTRY , 2025 , 347 . |
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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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By variation of the amount of GeO2, two organic-inorganic hybrid germanoniobate frameworks with 6-connected pcu and 10-connected bct topologies were constructed from peanut-shaped {alpha-Ge12Nb38} and {beta-Ge12Nb38} clusters, respectively. The {alpha-Ge12Nb38} and {beta-Ge12Nb38} clusters contain the most Ge centers of germanoniobates reported so far. The compounds exhibit proton conduction properties with a conductivity of 3.04 x 10(-4) Scm(-3) for 1 and 1.62 x 10(-4) Scm(-3) for 2 at 85 degrees C and 98% RH. The water vapor adsorption capacities for 1 and 2 are 5.86 and 4.40 mmolg(-1), respectively.
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| GB/T 7714 | Wang, Yong-Jiang , Yu, Lan , Li, Xin-Xiong et al. Two Unprecedented Germanoniobate Frameworks Based on High-Nuclearity Peanut-Shaped {Ge12Nb38} Clusters [J]. | INORGANIC CHEMISTRY , 2024 , 63 (2) : 1388-1394 . |
| MLA | Wang, Yong-Jiang et al. "Two Unprecedented Germanoniobate Frameworks Based on High-Nuclearity Peanut-Shaped {Ge12Nb38} Clusters" . | INORGANIC CHEMISTRY 63 . 2 (2024) : 1388-1394 . |
| APA | Wang, Yong-Jiang , Yu, Lan , Li, Xin-Xiong , Sun, Yan-Qiong , Zheng, Shou-Tian . Two Unprecedented Germanoniobate Frameworks Based on High-Nuclearity Peanut-Shaped {Ge12Nb38} Clusters . | INORGANIC CHEMISTRY , 2024 , 63 (2) , 1388-1394 . |
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A 1D copper-containing organic-inorganic hybrid heteropolyoxoniobate, H3[K(H2O)6][K2(H2O)10]2[Cu(en)2(H2O)2][Cu(en)2(Nb6O19Cu(en))2]center dot 24H2O (HPONb 1), has been synthesized to heterogeneously catalyze Knoevenagel condensation at room temperature with high yields and cycling stability. The catalyst presents the best catalytic activity for Knoevenagel condensation among the polyoxometalates (POMs) reported to date. A 1D copper-containing organic-inorganic hybrid heteropolyoxoniobate catalyst for efficient catalysis of Knoevenagel condensation at room temperature.
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| GB/T 7714 | Zuo, Ya-Kun , Li, Yan-Ru , Sun, Yan-Qiong et al. Efficient catalysis of Knoevenagel condensation by 1D copper-containing heteropolyoxoniobate at room temperature [J]. | INORGANIC CHEMISTRY FRONTIERS , 2024 , 11 (7) : 1993-1997 . |
| MLA | Zuo, Ya-Kun et al. "Efficient catalysis of Knoevenagel condensation by 1D copper-containing heteropolyoxoniobate at room temperature" . | INORGANIC CHEMISTRY FRONTIERS 11 . 7 (2024) : 1993-1997 . |
| APA | Zuo, Ya-Kun , Li, Yan-Ru , Sun, Yan-Qiong , Li, Xin-Xiong , Sun, Cai , Zheng, Shou-Tian . Efficient catalysis of Knoevenagel condensation by 1D copper-containing heteropolyoxoniobate at room temperature . | INORGANIC CHEMISTRY FRONTIERS , 2024 , 11 (7) , 1993-1997 . |
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The first example of a Sn(IV)-containing heteropolyoxoniobate K6H18[Cu(en)2]8{[Sn(OH)2]12 (HNb7O22)8}2en88H2O (1) is built from nanoscale high-nuclearity cubic {[Sn(OH)2]12(HNb7O22)8} cluster and [Cu(en)2]2+ complexes. The cubic {[Sn(OH)2]12(HNb7O22)8} cage is composed of eight {Nb7O22} clusters and 12 SnO6 octahedrons. The eight {Nb7O22} fragments are situated at the vertices of the cubic cage, while the 12 SnO6 octahedrons are positioned along the edges of the cubic cage. The [Cu(en)2]2+ complexes link the {[Sn(OH)2]12(HNb7O22)8} clusters into two-dimensional (2D) (4,4) grid-like layers. The N-HO hydrogen bonds between the [Cu(en)2]2+ complexes and the {[Sn(OH)2]12(HNb7O22)8} clusters link the layers to form a 3D supramolecular structure. Compound 1 exhibits a good proton conductivity of 3.1 x 10-2 S cm-1 at 85 degrees C and 98% relative humidity.
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| GB/T 7714 | Wu, Ping-Xin , Lin, Yu-Jin , Sun, Yan-Qiong et al. A Two-Dimensional Layered Heteropolyoxoniobate Based on Cubic Sn(IV)-Containing {Sn12Nb56O200} Cages with Good Proton Conductivity Property [J]. | INORGANIC CHEMISTRY , 2024 , 63 (52) : 24488-24493 . |
| MLA | Wu, Ping-Xin et al. "A Two-Dimensional Layered Heteropolyoxoniobate Based on Cubic Sn(IV)-Containing {Sn12Nb56O200} Cages with Good Proton Conductivity Property" . | INORGANIC CHEMISTRY 63 . 52 (2024) : 24488-24493 . |
| APA | Wu, Ping-Xin , Lin, Yu-Jin , Sun, Yan-Qiong , Zheng, Shou-Tian . A Two-Dimensional Layered Heteropolyoxoniobate Based on Cubic Sn(IV)-Containing {Sn12Nb56O200} Cages with Good Proton Conductivity Property . | INORGANIC CHEMISTRY , 2024 , 63 (52) , 24488-24493 . |
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Herein, cobalt is incorporated into a polyoxotungstate (POW) to obtain a new organic-inorganic hybrid Co-containing POW with a reliable 1D nanowire structure. The Co-containing POW exhibits superior oxygen evolution reaction (OER) activity in a neutral medium compared with its isomorphic Zn-containing POW, highlighting the critical role of cobalt in enhancing OER performance. This work provides a new insight into the structure-property relationship of metal oxides in electrocatalysis. Herein, cobalt is incorporated into a polyoxotungstate (POW) to obtain a new organic-inorganic hybrid Co-containing POW with a reliable 1D nanowire structure.
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| GB/T 7714 | Chen, Zhe-Hong , Zhang, Xiao-Yue , Li, Da-Huan et al. Organic-inorganic hybrid Co-containing polyoxotungstate as an oxygen evolution catalyst [J]. | CRYSTENGCOMM , 2024 , 26 (41) : 5840-5844 . |
| MLA | Chen, Zhe-Hong et al. "Organic-inorganic hybrid Co-containing polyoxotungstate as an oxygen evolution catalyst" . | CRYSTENGCOMM 26 . 41 (2024) : 5840-5844 . |
| APA | Chen, Zhe-Hong , Zhang, Xiao-Yue , Li, Da-Huan , Li, Xin-Xiong , Sun, Yan-Qiong , Sun, Cai et al. Organic-inorganic hybrid Co-containing polyoxotungstate as an oxygen evolution catalyst . | CRYSTENGCOMM , 2024 , 26 (41) , 5840-5844 . |
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A 3D tellurium-substituted heteropolyoxoniobate framework H5K3Na[Cu(en)(2)](2)[Cu(en)(0.75)(H2O)(2.5)]{[(Te2Nb19O58)(mu(3)-OH)(2)]}24H(2)O (1, en = ethylenediamine) with a 6-connected pcu topology is built from heart-shaped {Te2Nb19O60} clusters and copper complexes. The {Te2Nb19O60} cluster represents the new tellurniobate structure type with a 19-nuclearity Nb cluster. It consists of two new monovacant Lindqvist {Nb5O19} clusters, one boat-shaped {Nb9O32} cluster and two TeO32- anions. The {Te2Nb19O60} polyanions are interlinked by [Cu(en)(2)](2+) complexes into a 2D (4, 4) grid-like layer containing rhombic sheets. The Cu2+ supports the adjacent layers through Te-O-Cu-O-Te- bonds to form a three-dimensional heteropolyoxoniobate framework with 1D channels. This compound exhibits good chemical and solvent stability and proton conductivity, with a conductivity of 7.9 x 10(-3) S cm(-1) at 85 degrees C under 98% RH.
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| GB/T 7714 | Wu, Ping-Xin , Han, Yue , Lin, Yu-Jin et al. A 3D heteropolyoxoniobate framework based on heart-shaped {Te2Nb19O60} clusters with proton conductivity property [J]. | DALTON TRANSACTIONS , 2024 , 53 (17) : 7424-7429 . |
| MLA | Wu, Ping-Xin et al. "A 3D heteropolyoxoniobate framework based on heart-shaped {Te2Nb19O60} clusters with proton conductivity property" . | DALTON TRANSACTIONS 53 . 17 (2024) : 7424-7429 . |
| APA | Wu, Ping-Xin , Han, Yue , Lin, Yu-Jin , Sun, Yan-Qiong , Zheng, Shou-Tian . A 3D heteropolyoxoniobate framework based on heart-shaped {Te2Nb19O60} clusters with proton conductivity property . | DALTON TRANSACTIONS , 2024 , 53 (17) , 7424-7429 . |
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