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学者姓名：陈义平
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Abstract ：
Due to their structural versatility, selenotungstates have emerged as a prominent research focus in polyoxometalate (POT) chemistry. Two Eu(III)-doped hexameric selenotungstates with distinct architectures were synthesized via a one-pot synthetic strategy. Detailed structural investigations were prompted by their remarkable photoluminescence lifetimes of 759.8 mu s (1) and 722.8 mu s (2), significantly surpassing those of most reported Eu(III)-doped polyoxotungstates. Comparative analysis with literature precedents revealed a strong correlation between the luminescent behavior and the coordination environment of the Eu(III) centers. Furthermore, the compounds exhibited exceptional resistive switching performance at ambient conditions, with switching ratios of 1.03 x 103 (1) and 3.67 x 103 (2) that exceed most reported values for oligomeric POT-based systems. This work systematically investigates the structure-property relationships among molecular architectures, luminescent characteristics, and resistive switching behavior, providing experimental evidence for the design of new luminescent materials and molecular storage devices.
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| GB/T 7714 | Mi, Wen-Jun , Zhou, Xue-Ru , Ke, Guang-Qu et al. Photoluminescence Properties and Stable Bipolar Resistive Switching Behavior of Two Eu(III)-Doped Hexameric Selenotungstates [J]. | INORGANIC CHEMISTRY , 2025 . |
| MLA | Mi, Wen-Jun et al. "Photoluminescence Properties and Stable Bipolar Resistive Switching Behavior of Two Eu(III)-Doped Hexameric Selenotungstates" . | INORGANIC CHEMISTRY (2025) . |
| APA | Mi, Wen-Jun , Zhou, Xue-Ru , Ke, Guang-Qu , Chen, Yi-Ping , Li, Hao-Hong . Photoluminescence Properties and Stable Bipolar Resistive Switching Behavior of Two Eu(III)-Doped Hexameric Selenotungstates . | INORGANIC CHEMISTRY , 2025 . |
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Polyoxometalates (POMs), as a class of structurally well-defined compounds with excellent charge trapping and releasing capabilities, are ideal candidates for high-performance memory devices. However, their performance optimization in conventional environments remains limited. Here, three water-soluble organic-inorganic hybridized POM-based nonvolatile memory devices are proposed. Pure inorganic vanadoborates clusters are assembled with organic ligands by electrostatic and covalent interactions. This approach modulates the hydrophilicity and stability of the resulting compounds. Structural analysis and two-dimensional correlation infrared (2D-COS-IR) spectroscopy reveal that hydrogen bonding and pi-conjugation interactions may influence the performance of POM-based memristors. The resistive switching (RS) mechanism could be controlled by the synergistic effect of space-charge-limited current and oxygen vacancies. Notably, FTO/VB3/Ag, modified with hydrogen bonding and constructed with Li+, exhibits rewritable RS behavior and a high ON/OFF current ratio of 2.62 x 104, even at 270 degrees C and various harsh environments. Additionally, this study represents the first example of using 2D-COS-IR to investigate the dynamic evolution of weak intermolecular interactions within the device during heating, and elucidating the mechanisms that memristors enable stable operation at high temperatures. This work explores the relationship between the structure and RS performance of the material, proposes a method for designing and enhancing memristor performance at the molecular level, and offers a theoretical foundation for the development of high-performance memory devices for extreme environments.
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| GB/T 7714 | Meng, Ming-Ze , Gao, Yi-Qun , Chen, Yi-Ping et al. Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding and cooperative π-conjugation interactions [J]. | INORGANIC CHEMISTRY FRONTIERS , 2025 , 12 (8) : 3186-3195 . |
| MLA | Meng, Ming-Ze et al. "Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding and cooperative π-conjugation interactions" . | INORGANIC CHEMISTRY FRONTIERS 12 . 8 (2025) : 3186-3195 . |
| APA | Meng, Ming-Ze , Gao, Yi-Qun , Chen, Yi-Ping , Li, Hao-Hong , Huang, Xiao-Hui . Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding and cooperative π-conjugation interactions . | INORGANIC CHEMISTRY FRONTIERS , 2025 , 12 (8) , 3186-3195 . |
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Two organic-inorganic hybrid polyoxovanadoborates frameworks were constructed using transition metal complexes (Cd(en)2 2+, Cu(en)2 2+; en = ethylenediamine) as templating agents and open-type {V12B32} clusters as building blocks, forming 2D layered architectures. The O-HO hydrogen bonds between the clusters link the layers to form a 3D supramolecular structure. Single-crystal analysis and two-dimensional correlation infrared spectroscopy (2D-COS-IR) revealed that the two isostructural compounds exhibit distinct hydrogen-bonding patterns, channel dimensions, and porosity due to differences in the coordinated transition metal ions, ultimately leading to variations in solvent molecule content. The compounds exhibit proton conduction properties with a conductivity of 9.52 x 10-4 Scm-1 for 1 and 1.93 x 10-2 S cm-1 for 2 at 85 degrees C and 98% RH. The enhanced proton conduction in 2 directly correlates with its larger channel dimensions, which facilitate more efficient proton transport pathways.
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| GB/T 7714 | Meng, Ming-Ze , Huang, Bi-Ling , Xu, Shan-Shan et al. Proton Conduction Study in 2D Layered Polyoxovanadoborate Frameworks Based on Two Types of Open-Type {V12B32} Clusters [J]. | INORGANIC CHEMISTRY , 2025 , 64 (28) : 14287-14294 . |
| MLA | Meng, Ming-Ze et al. "Proton Conduction Study in 2D Layered Polyoxovanadoborate Frameworks Based on Two Types of Open-Type {V12B32} Clusters" . | INORGANIC CHEMISTRY 64 . 28 (2025) : 14287-14294 . |
| APA | Meng, Ming-Ze , Huang, Bi-Ling , Xu, Shan-Shan , Chen, Yi-Ping , Huang, Xiao-Hui . Proton Conduction Study in 2D Layered Polyoxovanadoborate Frameworks Based on Two Types of Open-Type {V12B32} Clusters . | INORGANIC CHEMISTRY , 2025 , 64 (28) , 14287-14294 . |
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Two novel vanadoborate compounds, [Cu(en)2]3[Li(H2O)]4[Li(H2O)3]2[V12B18O50(OH)10(H2O)]2 & sdot;33.5H2O (1) and (H2en)4[Li(H2O)]4[V12B18O55(OH)5(H2O)]& sdot;14H2O (2), were synthesized via hydrothermal synthesis under identical conditions except for temperature. Structural analysis revealed that although both contain [V12B18O60]n- cluster anion, the different countercations potentially lead to variations in the [V12B18O60]ncluster anion skeletons. In compound 1, the V4+/V5+ ratio was 10:2; while in compound 2 the ratio was 11:1. It is speculated that different countercations may influence the valence states of cluster anions. In this study, quantum chemical calculations revealed that the aromaticity and activity of the two compounds were different, and twodimensional correlation infrared spectroscopy (2D-COS-IR) under magnetic perturbation confirmed that distinct response peaks of functional group vibrations to the magnetic field due to the different V4+/V5+ ratios and aromaticity of the two compounds. An electrochemical analysis revealed that compound 2 exhibits higher electrocatalytic activity. The results of quantum chemical calculations are aligned not only with the changes in the 2D-COS-IR spectra but also with the conclusions obtained from experiments on electrochemical properties. Overall, this work proposes a novel strategy for interpreting the alteration of vanadoborate anionic skeleton due to the introduction of different countercations by combining 2D-COS-IR with quantum chemical calculations.
Keyword ：
Electrocatalyst Electrocatalyst Quantum chemical calculation Quantum chemical calculation spectroscopy spectroscopy Two-dimensional correlation infrared Two-dimensional correlation infrared Vanadoborate Vanadoborate
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| GB/T 7714 | Meng, Ming-Ze , Shi, Gui-Dong , Cheng, Ling-Ling et al. Two-dimensional correlation infrared spectroscopy study on vanadoborate anionic skeleton regulated by countercations [J]. | SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY , 2024 , 311 . |
| MLA | Meng, Ming-Ze et al. "Two-dimensional correlation infrared spectroscopy study on vanadoborate anionic skeleton regulated by countercations" . | SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 311 (2024) . |
| APA | Meng, Ming-Ze , Shi, Gui-Dong , Cheng, Ling-Ling , Chen, Yi-Ping , Zhang, Yong-Fan , Lin, Wei . Two-dimensional correlation infrared spectroscopy study on vanadoborate anionic skeleton regulated by countercations . | SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY , 2024 , 311 . |
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Abstract ：
Three novel vanadoborates with crown-shaped V12B32 cluster cages were successfully synthesized, differing only in their countercation. X-ray photoelectron spectroscopy (XPS) and Bond valence sum (BVS) analyses revealed distinct V4+/V5+ ratios (11:1, 10:2, and 10:2) in the cluster cage of the three compounds. Structural analyses indicated that the valence state ratio was modulated by the countercation. The magnetic properties of these compounds were examined using variable-temperature magnetic susceptibilities and two-dimensional correlation infrared spectroscopy (2D-COS-IR) under magnetic perturbation. This approach elucidated the origin and variability of their magnetic properties, demonstrating that the vanadium valence ratio and countercation significantly influence the magnetic behaviour of vanadoborates. The present study highlights the effectiveness of the transition of the vanadium valence state in the cluster cage by altering the countercation, providing a new avenue for the study of magnetically modulated materials.
Keyword ：
Magnetic properties Magnetic properties Polyoxometalate Polyoxometalate spectroscopy Cluster spectroscopy Cluster Two-dimensional correlation infrared Two-dimensional correlation infrared Vanadoborate Vanadoborate
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| GB/T 7714 | Meng, Ming-Ze , Shi, Gui-Dong , Cheng, Ling-Ling et al. The magnetic modulation by the valence transition of polyoxometalate [J]. | JOURNAL OF MOLECULAR STRUCTURE , 2024 , 1318 . |
| MLA | Meng, Ming-Ze et al. "The magnetic modulation by the valence transition of polyoxometalate" . | JOURNAL OF MOLECULAR STRUCTURE 1318 (2024) . |
| APA | Meng, Ming-Ze , Shi, Gui-Dong , Cheng, Ling-Ling , Chen, Yi-Ping , Sun, Yan-Qiong . The magnetic modulation by the valence transition of polyoxometalate . | JOURNAL OF MOLECULAR STRUCTURE , 2024 , 1318 . |
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Two Polyoxometalates have been constructed by simple hydrothermal synthesis using rare-earth (RE) and antimonotungstates (ATs) {B-alpha-SbW9O33} 9 O 33 } as raw materials with the molecular formulas of H4.5Na1.5(H2O)6(C3H5N2)3{Na 4.5 Na 1.5 (H 2 O) 6 (C 3 H 5 N 2 ) 3 {Na (Sb3O)2[B-beta-SbW8O31Dy(H2O)2]3}& sdot;12H2O 3 O) 2 [B- beta-SbW 8 O 31 Dy(H 2 O) 2 ] 3 } & sdot; 12H 2 O (1) 1 ) and H9(C3H5N2)5{[Sb6IIISbVDy2WO10(H2O)5][(B-beta-SbW9O33)2(B- 9 (C 3 H 5 N 2 ) 5 {[Sb 6III Sb V Dy 2 WO 10 (H 2 O) 5 ][(B- beta-SbW 9 O 33 ) 2 (B- alpha-SbW9O33)]}& sdot;16H2O 9 O 33 )]} & sdot; 16H 2 O (2). 2 ). X-ray Single crystal diffractometer analysis shows that both 1 and 2 possess trimer configurations. Polyoxoanion 1 is assembled from three trilacunary {B-beta-SbW8O31Dy(H2O)2}p beta-SbW 8 O 31 Dy(H 2 O) 2 }p units linked via {Na (Sb3O)2} 3 O) 2 } cluster, where the trilacunary {B-beta-SbW8O31Dy(H2O)2} beta-SbW 8 O 31 Dy(H 2 O) 2 } unit is formed by the tetralacunary {B-beta-SbW8O31} beta-SbW 8 O 31 } unit captures one Dy(H2O)23+ 2 O) 2 3+ cation. Polyoxoanion 2 is composed of a novel 5p-4f heterometallic cluster {Sb 6 III Sb V- Dy2WO12(H2O)5} 2 WO 12 (H 2 O) 5 } simultaneously stabilized by two {B-beta-SbW9O33} beta-SbW 9 O 33 } units and one {B-alpha-SbW9O33} 9 O 33 } unit. In addition, two-dimensional correlation infrared spectroscopy (2D COS-IR) under magnetic disturbance was measured to investigate the difference of the variable temperature magnetic susceptibility between two compounds to explore the source of magnetic properties, and further magnetic property tests indicate that 1 and 2 may exhibit single-molecule- magnet behavior with distinct frequency dependence. This work deepens the theory of 2D COS-IR and also enriches the theoretical and experimental data of magnetism.
Keyword ：
Antimonotungstate Antimonotungstate Magnetic property Magnetic property Polyoxometalate Polyoxometalate spectroscopy spectroscopy Two-dimensional correlation infrared Two-dimensional correlation infrared
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| GB/T 7714 | Cheng, Ling-Ling , Meng, Ming-Ze , Chen, Yi-Ping et al. Study on magnetic properties of two dysprosium(III)-substituted antimonotungstates with different substitution modes [J]. | JOURNAL OF MOLECULAR STRUCTURE , 2024 , 1308 . |
| MLA | Cheng, Ling-Ling et al. "Study on magnetic properties of two dysprosium(III)-substituted antimonotungstates with different substitution modes" . | JOURNAL OF MOLECULAR STRUCTURE 1308 (2024) . |
| APA | Cheng, Ling-Ling , Meng, Ming-Ze , Chen, Yi-Ping , Liu, Xin-Ting , Qiu, Zhen-Chao , Sun, Yan-Qiong . Study on magnetic properties of two dysprosium(III)-substituted antimonotungstates with different substitution modes . | JOURNAL OF MOLECULAR STRUCTURE , 2024 , 1308 . |
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This study introduces two novel sandwich-type tungsten-oxygen cluster compounds synthesized by hydrothermal methods, H4(C6H12N2H2)3{Na(H2O)2[Mn2(H2O)(GeW9O34)]}2 (Compound 1) and H2(C6H12N2H2)3.5{Na3(H2O)4[Co2(H2O)(GeW9O34)]2}17H2O (Compound 2). The two compounds comprise cluster anions [GeW9O34]10- coordinated with transition metal atoms, either Mn or Co, and are stabilized by organic ligands. These compounds are crystallized in the hexagonal crystal system and P63/m space group. The two compounds were characterized through various techniques. Fourier transform infrared (IR) spectroscopy showed absorption peaks of anionic backbone vibrations of the Keggin cluster at 500-1000 cm-1, IR spectral peaks of delta(N-H) and nu as(C-N) of the ligand triethylenediamine at 1000-2000 cm-1, and IR spectral peaks of the ligand nu as(N-H) and nu as(O-H) of water at 3000-3500 cm-1. Despite similar one-dimensional (1D) IR spectra due to the same cluster anions and similar molecular structures, the two compounds exhibited distinct responses in two-dimensional correlation spectroscopy with IR under magnetic and thermal perturbations. Under magnetic perturbation, Compound 1 showed a strong response peak for nu as(W-Ob-W), while Compound 2 exhibited a strong response peak for nu as(W=Od), possibly linked to differing magnetic particles. Similarly, Compound 1 displayed a strong response peak under thermal perturbation for nu as(W-Oc-W). In contrast, Compound 2 showed a strong response peak for nu as(W=Od); these results may be attributed to the different hydrogen bonding connections between the two compounds, which affect the groups in distinct ways through vibration and transmit these vibrations to the W-O bonds. The research presented in this paper expands the theoretical and experimental data of 2D correlation IR spectroscopy. Graphical abstract This is a visual representation of the abstract.
Keyword ：
2D-COS 2D-COS crystal structure crystal structure infrared spectroscopy infrared spectroscopy IR IR Tungsten oxide cluster compound Tungsten oxide cluster compound two-dimensional correlation spectroscopy two-dimensional correlation spectroscopy
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| GB/T 7714 | Mi, Wen-Jun , Bi, Wen-Chao , Meng, Ming-Ze et al. A Spectroscopic Method for Distinguishing Two Novel Sandwich-Type Tungsten Oxide Cluster Compounds [J]. | APPLIED SPECTROSCOPY , 2024 , 79 (1) : 189-198 . |
| MLA | Mi, Wen-Jun et al. "A Spectroscopic Method for Distinguishing Two Novel Sandwich-Type Tungsten Oxide Cluster Compounds" . | APPLIED SPECTROSCOPY 79 . 1 (2024) : 189-198 . |
| APA | Mi, Wen-Jun , Bi, Wen-Chao , Meng, Ming-Ze , Chen, Yi-Ping , Sun, Yan-Qiong . A Spectroscopic Method for Distinguishing Two Novel Sandwich-Type Tungsten Oxide Cluster Compounds . | APPLIED SPECTROSCOPY , 2024 , 79 (1) , 189-198 . |
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通过水热法合成了一例新颖的稀土钨多酸化合物H_(26)(C_2H_8N_2H_2)K(H_2O)[K(H_2O)Nd_8(H_2O)_2(W_3O_(12))(SiW_(10)O_(38))_4]·18H_2O 1。该化合物的不对称单元由两个[SiW_(10)O_(38)]~(12-)通过一个{Nd_4(H_2O)~(12+)}结构单元和W_3O_(12)连接而成。化合物1簇阴离子通过K离子连接成一维无限链，再通过氢键连接成二维平面结构。针对该化合物，做了一系列表征，测试了其二维相关红外光谱，并对其作了详细分析，结果说明化合物1簇阴离子振动偶极矩对磁场和温度的变化均有响应峰，2D-IR COS提供了一种结构表征新方法。
Keyword ：
二维相关红外光谱 二维相关红外光谱 晶体结构 晶体结构 水热法 水热法 钨多酸 钨多酸
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| GB/T 7714 | 程玲玲 , 石桂栋 , 陈义平 . 基于二缺位钨多酸化合物的二维相关红外光谱研究 [J]. | 光谱学与光谱分析 , 2023 , 43 (S1) : 35-36 . |
| MLA | 程玲玲 et al. "基于二缺位钨多酸化合物的二维相关红外光谱研究" . | 光谱学与光谱分析 43 . S1 (2023) : 35-36 . |
| APA | 程玲玲 , 石桂栋 , 陈义平 . 基于二缺位钨多酸化合物的二维相关红外光谱研究 . | 光谱学与光谱分析 , 2023 , 43 (S1) , 35-36 . |
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Two novel dilacunary gamma-Keggin-type germanotungstates namely H-2[Cu(en)(2)](4) {[Cu(en)(2)](3)[GeW10O36](2)} (1), H-4[Co(en)(3)](2)[GeW10O36]center dot 2H(2)O (2), have been synthesized. Under visible light (lambda >= 420 nm) irradiation, compound 2 showed excellent photocatalytic activity against rhodamine B (RhB), and the degradation efficiency was 88.9% at pH 4.0, which was 8.5 times and 1.4 times higher than that at pH 7.0 and 1.0, respectively. Further mechanism study revealed that pH is an important factor affecting the photocatalytic reaction. The anti-tumor property of compounds was studied as the first case for [gamma-GeW10O36](8-) cluster anion in vitro. Remarkably, compound 1 has excellent anti-tumor activities against liver cancer Huh7 (IC50, 26.18 mu M), colon cancer SW480 (IC50, 28.36 mu M) and gastric cancer HGC-27(IC50, 41.31 mu M) with half maximal inhibitory concentration (IC50) less than 50 mu M. The relationship between structure and biology activity indicates that the H-bonding interactions may influence the anti-tumor activity. This novel difunctional germanotungstates not only provides a clue for development of high-efficiency photocatalysts but also highlights a promising strategy to construct antitumor germanotungstates-type drug.
Keyword ：
Antitumor activity Antitumor activity Photocatalysis Photocatalysis Polyoxometalate Polyoxometalate
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| GB/T 7714 | Huang, Xiao-Hui , Chen, Yi-Ping , Ying, Shao-Ming et al. Two novel dilacunary gamma-Keggin-type germanotungstates with difunctional photocatalytic and anti-tumor properties [J]. | JOURNAL OF MOLECULAR STRUCTURE , 2023 , 1292 . |
| MLA | Huang, Xiao-Hui et al. "Two novel dilacunary gamma-Keggin-type germanotungstates with difunctional photocatalytic and anti-tumor properties" . | JOURNAL OF MOLECULAR STRUCTURE 1292 (2023) . |
| APA | Huang, Xiao-Hui , Chen, Yi-Ping , Ying, Shao-Ming , Hu, Xiao-Jing , Sun, Yan-Qiong , Xing-Huang, Xiao . Two novel dilacunary gamma-Keggin-type germanotungstates with difunctional photocatalytic and anti-tumor properties . | JOURNAL OF MOLECULAR STRUCTURE , 2023 , 1292 . |
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一个新颖的磷掺杂硼钒氧簇化合物[Li(H_2O)_2]_2[Cu(en)_2]_3[H_2en]_2[V_(12)P_(12)B_6O_(68)(OH)_4(H_2O)]·3(H_2O)1通过水热法合成，通过Li~+连接成一维无限结构，再通过氢键连成三维立体结构。针对该化合物，通过二维红外相关光谱并作了详细分析，化合物1簇阴离子振动偶极矩对磁场和温度的变化均有响应峰，2D-IR COS提供了一种结构表征新方法。
Keyword ：
二维相关红外光谱 二维相关红外光谱 晶体结构 晶体结构 硼钒多酸 硼钒多酸
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| GB/T 7714 | 石桂栋 , 程玲玲 , 陈义平 . 磷掺杂硼钒氧簇化合物的二维相关红外光谱研究 [J]. | 光谱学与光谱分析 , 2023 , 43 (S1) : 37-38 . |
| MLA | 石桂栋 et al. "磷掺杂硼钒氧簇化合物的二维相关红外光谱研究" . | 光谱学与光谱分析 43 . S1 (2023) : 37-38 . |
| APA | 石桂栋 , 程玲玲 , 陈义平 . 磷掺杂硼钒氧簇化合物的二维相关红外光谱研究 . | 光谱学与光谱分析 , 2023 , 43 (S1) , 37-38 . |
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