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学者姓名：孙财
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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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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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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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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}infinity 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. Using transition-metal-coordination-cluster-substituted polyoxometalates as templates, four kinds of rare non-closed silver cluster species are obtained, demonstrating a promising strategy for the development of uncommon non-closed silver clusters.
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| GB/T 7714 | Rui, Ge , Cai, Ping-Wei , Cai, Sun 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 | Rui, Ge et al. "Development of non-closed silver clusters by transition-metal-coordination-cluster substituted polyoxometalate templates" . | CHEMICAL SCIENCE 15 . 31 (2024) : 12543-12549 . |
| APA | Rui, Ge , Cai, Ping-Wei , Cai, Sun , Sun, Yan-Qiong , Li, Xin-Xiong , Zheng, Shou-Tian . 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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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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Selective uptake and elution of trace amounts of hazardous radioactive Sr-90 from large-scale high-level liquid waste (HLW) is crucial for sustainable development. Here, we propose a site differentiation strategy, based on the presence of distinct selective metal capture sites (concavity site and tweezer site) within the giant polyoxoniobate (PONb) nanoclusters of an all-inorganic PONb framework (FZU-1). Through this strategy, FZU-1 can not only effectively remove 98.9% of Sr2+ from simulated nuclear liquid waste, performing best among the reported Sr adsorbents, but also achieve desorption of adsorbed Sr2+ ions by selectively loading Na+ ions, thus enabling the recycling of FZU-1. Based on the well-defined single-crystal structures and theoretical studies, it can be revealed that the rapid and selective uptake of Sr2+ is attributed to the strong binding energy between the Sr2+ ions and the concavity sites. The effective elution of Sr2+, on the other hand, stems from the preferential binding of Na+ ions at the tweezer sites, elevating the cluster's electrostatic potential and indirectly facilitating the elution of Sr2+ ions. The exceptional stability of FZU-1, along with its rapid and selective Sr2+ capture and elution capabilities, positions it as a promising candidate for large-scale nuclear waste treatment and groundwater remediation applications.
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| GB/T 7714 | Liu, Yi-Xin , Wu, Ping-Xin , Dai, Jing-Yi et al. Site differentiation strategy for selective strontium uptake and elution within an all-inorganic polyoxoniobate framework [J]. | NATURE COMMUNICATIONS , 2024 , 15 (1) . |
| MLA | Liu, Yi-Xin et al. "Site differentiation strategy for selective strontium uptake and elution within an all-inorganic polyoxoniobate framework" . | NATURE COMMUNICATIONS 15 . 1 (2024) . |
| APA | Liu, Yi-Xin , Wu, Ping-Xin , Dai, Jing-Yi , Cai, Ping-Wei , Sun, Cai , Zheng, Shou-Tian . Site differentiation strategy for selective strontium uptake and elution within an all-inorganic polyoxoniobate framework . | NATURE COMMUNICATIONS , 2024 , 15 (1) . |
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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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Direct X-ray detectors, which directly convert X-rays into electrical signals through semiconductors, have higher space solution than scintillator-mediated indirect X-ray ones and are high desirable for early cancer detection and other applications, but the mainstream commercial alpha-Se detector is still largely limited by high production costs, large leakage current and low stability. This article reports an easily prepared, stable radiochromic semiconductive metal-organic framework (MOF), (MV)[Cd3 (tdc)4 ] center dot 2H2 O (RCS-1, H2 tdc = 2,5-thiophenedicarboxylic acid; MV2 + = methyl viologen cation) with direct X-ray detecting ability. With a large bulk resistivity of 8.40 x 109 S2 cm, this material ensures minimal dark current and low noise for X-ray detection. Additionally, it exhibits higher sensitivity to W K alpha X-rays (98.58 mu C Gy-1 cm-2 ) than alpha-Se ( similar to 20 mu C Gy-1 cm-2 ). Meanwhile, unlike most reported direct X-ray detecting semiconductors, compound RCS-1 shows remarkable color change upon X-ray irradiation owing to the presence of photochromism-active viologen cations. This feature offers an appealing visual detecting ability to direct X-ray detectors that provide only the electrical signals. (c) 2024 Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.
Keyword ：
Conductance Conductance Metal-organic framework Metal-organic framework Photochromism Photochromism Viologen Viologen X-ray detection X-ray detection
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| GB/T 7714 | Yu, Xuying , Mi, Jiarong , Han, Yulan et al. A stable radiochromic semiconductive viologen-based metal-organic framework for dual-mode direct X-ray detection [J]. | CHINESE CHEMICAL LETTERS , 2024 , 35 (9) . |
| MLA | Yu, Xuying et al. "A stable radiochromic semiconductive viologen-based metal-organic framework for dual-mode direct X-ray detection" . | CHINESE CHEMICAL LETTERS 35 . 9 (2024) . |
| APA | Yu, Xuying , Mi, Jiarong , Han, Yulan , Sun, Cai , Wang, Mingsheng , Guo, Guocong . A stable radiochromic semiconductive viologen-based metal-organic framework for dual-mode direct X-ray detection . | CHINESE CHEMICAL LETTERS , 2024 , 35 (9) . |
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Abstract ：
Direct X-ray detectors,which directly convert X-rays into electrical signals through semiconductors,have higher space solution than scintillator-mediated indirect X-ray ones and are high desirable for early cancer detection and other applications,but the mainstream commercial α-Se detector is still largely limited by high production costs,large leakage current and low stability.This article reports an eas-ily prepared,stable radiochromic semiconductive metal-organic framework(MOF),(MV)[Cd3(tdc)4]-2H2O(RCS-1,H2tdc=2,5-thiophenedicarboxylic acid;MV2+=methyl viologen cation)with direct X-ray de-tecting ability.With a large bulk resistivity of 8.40 × 109 Ω cm,this material ensures minimal dark current and low noise for X-ray detection.Additionally,it exhibits higher sensitivity to W Kα X-rays(98.58 μC Gy-1 cm-2)than α-Se(～20 μC Gy-1 cm-2).Meanwhile,unlike most reported direct X-ray de-tecting semiconductors,compound RCS-1 shows remarkable color change upon X-ray irradiation owing to the presence of photochromism-active viologen cations.This feature offers an appealing visual detecting ability to direct X-ray detectors that provide only the electrical signals.
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| GB/T 7714 | Xuying Yu , Jiarong Mi , Yulan Han et al. A stable radiochromic semiconductive viologen-based metal-organic framework for dual-mode direct X-ray detection [J]. | 中国化学快报（英文版） , 2024 , 35 (9) : 437-441 . |
| MLA | Xuying Yu et al. "A stable radiochromic semiconductive viologen-based metal-organic framework for dual-mode direct X-ray detection" . | 中国化学快报（英文版） 35 . 9 (2024) : 437-441 . |
| APA | Xuying Yu , Jiarong Mi , Yulan Han , Cai Sun , Mingsheng Wang , Guocong Guo . A stable radiochromic semiconductive viologen-based metal-organic framework for dual-mode direct X-ray detection . | 中国化学快报（英文版） , 2024 , 35 (9) , 437-441 . |
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Four different structural compositions of organophosphate, 3d transition metal, 4f lanthanide and polyoxoniobate (PONb) are unified in a system for the first time to form a new type of organophosphate 3d-4f heterometallic inorganic-organic hybrid PONb nanowire. Interesting magnetic anisotropy and slow magnetic relaxation are found in the PONb nanowire. Integrate four structural compositions of organophosphate, 3d transition metal, 4f lanthanide and polyoxoniobate at the molecular level, to form a nanowire structure.
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| GB/T 7714 | Fan, Jin-Ai , Yu, Hao , Lin, Yu-Diao et al. An organophosphate 3d-4f heterometallic polyoxoniobate nanowire [J]. | NANOSCALE , 2024 , 16 (26) : 12420-12423 . |
| MLA | Fan, Jin-Ai et al. "An organophosphate 3d-4f heterometallic polyoxoniobate nanowire" . | NANOSCALE 16 . 26 (2024) : 12420-12423 . |
| APA | Fan, Jin-Ai , Yu, Hao , Lin, Yu-Diao , Qi, Ming-Qiang , Kong, Xiang-Jian , Sun, Cai et al. An organophosphate 3d-4f heterometallic polyoxoniobate nanowire . | NANOSCALE , 2024 , 16 (26) , 12420-12423 . |
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