A5101709344- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Polyoxometalates: Synthesis and Applications
- Metal-Organic Frameworks: Synthesis and Applications
- Advanced Nanomaterials in Catalysis
- Nanocluster Synthesis and Applications
- Crystallography and molecular interactions
- Vanadium and Halogenation Chemistry
- Magnetism in coordination complexes
- Lanthanide and Transition Metal Complexes
- Aerosol Filtration and Electrostatic Precipitation
- Chemical Synthesis and Reactions
- Chemical Synthesis and Characterization
- Cyclone Separators and Fluid Dynamics
- Geological and Geochemical Analysis
- Coal Properties and Utilization
- Particle Dynamics in Fluid Flows
- High voltage insulation and dielectric phenomena
- Electrostatic Discharge in Electronics
- Advanced Antenna and Metasurface Technologies
- Advanced battery technologies research
- Crystal Structures and Properties
- Geochemistry and Geologic Mapping
- Power Transformer Diagnostics and Insulation
- Advanced biosensing and bioanalysis techniques
Henan University
2016-2025
Shandong University of Science and Technology
2022-2024
Nanchang University
2024
Henan University of Technology
2024
Tobacco Research Institute
2024
Beijing Academy of Science and Technology
2024
Kaifeng University
2015-2020
Fujian Institute of Research on the Structure of Matter
2008-2019
Shanghai Jiao Tong University
2019
Shanghai First Maternity and Infant Hospital
2019
Abstract The hydrothermal reactions of trivacant Keggin A‐α‐XW 9 O 34 polyoxoanions (X=P V /Si IV ) with transition‐metal ions (Ni II /Cu /Fe in the presence amines result eight novel high‐nuclear transition‐metal‐substituted polyoxotungstates [{Ni 7 (μ 3 ‐OH) 2 (dap) (H O) 6 }(B‐α‐PW )][{Ni )][Ni(dap) ] ⋅ 4.5 H ( 1 ), [Cu(dap)(H [{Cu 8 4 }(B‐α‐SiW (enH 15 [{Fe 1.5 Fe III 12 ‐PO ca.130 (en) )] 5 and )][Ni 0.5 (en)] 3.5 (en=ethylenediamine, dap=1,2‐diaminopropane). These compounds have been...
The reaction of CuCl(2).2 H2O with trivacant Keggin polyoxoanions K8Na2[A-alpha-GeW9O34].25 or K10[A-alpha-SiW9O34].25 in the presence 1,2-diaminopropane (dap), ethylenediamine (en) 2,2'-bipyridine (2,2'-bpy) under hydrothermal conditions afforded five novel hybrid inorganic-organic octa-Cu sandwiched polyoxotungstates (POTs): H4[CuII8(dap)4(H2O)2(B-alpha-GeW9O34)2].13 (1), (H2en)2[CuII8-(en)4(H2O)2(B-alpha-GeW9O34)2].5 H2O(2), (H2en)2[CuII8(en)4(H2O)2(B-alpha-SiW9-O34)2].8 (3),...
A model based on space charge dynamics under high dc electric field has been proposed to explain commonly observed thickness dependent breakdown of polymeric material. The formation and will result in local enhancement that a direct impact dielectric breakdown. simulation results show the depends sample with power index 0.143, indicating its are responsible for also predicts effect voltage ramping rate electrical strength.
A series of organic–inorganic hybrid polyoxometalate derivatives {[Cu(en)2]1.5[Cu(en)(2,2′-bipy)(H2O)n]Ce[(α-PW11O39)2]}6– [(Ln, n) = (CeIII, 0) for 1, (PrIII, 1) 2)], {[Cu(en)2]2(H2O)[Cu(en)(2,2′-bipy)]Ln[(α-HPW11O39)2]}4– [Ln GdIII 3, TbIII 4, ErIII 5] and {[Cu(en)2]1.5[Cu(en)(2,2′-bipy)]Nd[(α-H5PW11O39)2]}3– 6 (2,2′-bipy =2,2′-bipyridine en ethylenediamine) have been successfully synthesized under hydrothermal conditions further characterized by elemental analyses, inductively coupled...
We report a novel molecular polyanionic cluster of eleven-Fe<sup>III</sup> substituted antimoniotungstate Na<sub>27</sub>[Fe<sub>11</sub>(H<sub>2</sub>O)<sub>14</sub>(OH)<sub>2</sub>(W<sub>3</sub>O<sub>10</sub>)<sub>2</sub>(α-SbW<sub>9</sub>O<sub>33</sub>)<sub>6</sub>]·103H<sub>2</sub>O (<bold>1</bold>). Under optimal conditions, turn-over number (TON) 1815 ± 50 and frequency (TOF<sub>initial</sub>) 6.3 s<sup>−1</sup> over <bold>1</bold> were achieved for water oxidation.
A series of rigid–flexible-ligand functionalized dodeca-nuclear lanthanide–tungsten heterometal cluster incorporated ring-shaped selenotungstates [H2N(CH3)2]16Na2[Ln4(H2O)6(HPZDA)2(HFMA)2W8O21][B-α-SeW9O33]4·29H2O [Ln = Ce3+ (1), Pr3+ (2), Nd3+ (3); H2PZDA 2,3-pyrazine dicarboxylic acid, H2FMA fumaric acid] and [H2N(CH3)2]14Cs2Na2[Eu4(H2O)6(HPZDA)2(HFMA)2W8O21][B-α-SeW9O33]4·30H2O (4) were prepared by a cooperative strategy rigid flexible ligands. The polyanion skeletons 1–4 comprise an...
Abstract Molecule design is significant for achieving the functional diversity of electrolyte additives in aqueous zinc‐ion batteries, yet strategy underutilized. Here modular molecular engineering proposed to segregate and recombine hydrophilic (hydrophobic) zincophobic (zincophilic) modules within maximize efficacy electrolytes promoting Zn stability reversibility. By using an with a polyoxometalate (POM) additive, (NH 4 ) 3 [PMo 12 O 40 ], which contains zincophilic‐hydrophobic...
Two composite compounds, [{Ce(DMF)4(H2O)3}{Ce(DMF)4(H2O)4}(P2W18O62)]·H2O (1) (DMF = N,N-dimethylformamide) and [{La(DMF)6(H2O)}{La(DMF)4.5(H2O)2.5}·(P2W18O62)] (2), have been constructed at room temperature characterized by single crystal X-ray structural analyses, ESR spectroscopy, thermogravimetric (TG) differential thermal analysis (DTA) measurements. Single analyses reveal that the adjacent polyanions are polymerized to form a 1D infinitely linear chain bridging RE coordination cations...
Two types of rare sandwich-type germanomolybdates [Na(12)(H(2)O)(36)][Cu(2)(beta-Y-GeMo(9)O(33))(2)].3H(2)O (1), [N(CH(3))(4)](4) [Na(6)(H(2)O)(24)][Cr(2)(beta-Y-GeMo(9)O(33))(2)].7H(2)O (2), and [Na(11)(H(2)O)(25)]H[M(4)(H(2)O)(2)(alpha-B-GeMo(9)O(34))(2)].6H(2)O (M = Ni(II) for 3, M Mn(II) 4 Co(II) 5) have been synthesized characterized by elemental analyses, ICP spectra, IR spectroscopy, UV thermogravimetry (TG) analyses (for 1-3), X-ray photoelectron spectroscopy (XPS) 1 3), powder...
Up to now, the metal complexes with thiocarbonohydrazones have been comparatively rare. Herein, three main group monometallic formulated as [Bi(HL)(NO3)2(H2O)] (1), [Ga(HL)2]OAc·EtOH (2) and [(Ph)2Sn(HL)(OAc)]·DMF (3), where H2L = bis(2-acetylpyrazine)thiocarbonohydrazone, synthesized characterized. The crystal structures of 2 3 determined by single-crystal X-ray diffraction. Growth inhibition assays indicated that both free ligand title are capable inhibiting cell proliferation growth could...
The development of highly efficient oxygen reduction reaction (ORR) catalysts is great significance for the large-scale commercialization fuel cells. In this work, honeycomb-like Fe-N co-doped porous carbon materials (Fe-N-PC) were prepared through a facile one-step pyrolysis strategy using soybean straw biomass as precursor. obtained Fe-N-PC catalyst exhibits excellent ORR performance with an onset potential 0.989 V and half-wave 0.854 in alkaline conditions, which positively shift only by...
Two types of novel oxalate-bridging rare-earth-substituted Keggin-type phosphotungstates {[(α-PW11O39) RE(H2O)]2(C2O4)}10− (RE = YIII for 1, DyIII 2, HoIII 3 and ErIII 4) {(α-x-PW10O38)Tm2(C2O4)(H2O)2}3− 5 have been synthesized by reaction [α-PW11O39]7− with RE cations oxalate ligands in aqueous solution. They further characterized elemental analyses, X-ray powder diffraction (XRPD), IR spectra, thermogravimetric (TG) analysis, single-crystal diffraction. The common features 1–4 are that...
In this article, we discuss the synthetic methodologies, structural diversities and relevant properties of high-nuclear TMSPTs reported in past decade.
Two novel nanosized Nd<sup>3+</sup> substituted Keggin–Dawson hybrid selenotungstates <bold>1</bold> and <bold>2</bold> have been prepared exhibits highly efficient catalytic oxidation of aromatic sulfides.
A novel skeletal remodeling strategy to transform chalcone-based pyridinium salts into structurally intriguing polycyclic isoindolines was achieved through a dearomative ring-opening/ring-closing sequence.