Chang‐Dai Si

ORCID: 0000-0002-0112-2136
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Research Areas
  • X-ray Diffraction in Crystallography
  • Crystallization and Solubility Studies
  • Crystallography and molecular interactions
  • Metal-Organic Frameworks: Synthesis and Applications
  • Magnetism in coordination complexes
  • Crystal structures of chemical compounds
  • Metal complexes synthesis and properties
  • Luminescence and Fluorescent Materials
  • Lanthanide and Transition Metal Complexes
  • Molecular Sensors and Ion Detection
  • Organic Light-Emitting Diodes Research
  • Neutrophil, Myeloperoxidase and Oxidative Mechanisms
  • Perovskite Materials and Applications
  • Polyoxometalates: Synthesis and Applications
  • Luminescence Properties of Advanced Materials
  • Chemical Synthesis and Characterization
  • Nitric Oxide and Endothelin Effects

Tianshui Normal University
2016-2025

Northwest Normal University
2015-2016

Nanjing University
2015

Seven novel coordination polymers derived from the 3-(3′,5′-dicarboxylphenoxy)phthalic acid (H4L) ligand have been constructed under similar synthesized conditions with Co(II), Zn(II), Cd(II) ions in presence of N-donor ancillary ligands, namely, [Co2(HL)(4,4′-bipy)(μ3-OH)(μ2-H2O)]n (1), [Co2(L)(dpa)2]n (2), {[Co2(L)(4,4′-bibp)(H2O)4]·H2O}n (3), [Co2(L)(dib)2]n (4), [Co2(L)(bix)1.5]n (5), [Zn2(L)(bix)1.5]n (6), and {[Cd2(L)(bix)0.5(H2O)]·2H2O}n (7). The various topologies structures...

10.1021/acs.cgd.5b01734 article EN Crystal Growth & Design 2016-03-14

Seven new complexes based on H4L1 and H4L2, namely, [Cd2(L1)(H2O)5]n (1), {[Cu5(L1)2(μ3-OH)2(H2O)4]·2H2O}n (2), {[Cd2(L1)(4,4′-bipy)2(H2O)3]·2H2O}n (3), [Zn2(L1)(4,4′-bipy)(H2O)3]n (4), {[Ni7(L1)4(4,4′-bipy)12(H2O)12]·2H2O}n (5), {[Ni1.5(L2)(4,4′-bipy)1.5(H2O)4]·H2O}n (6), {[Ni9(L2)6(dib)12(H2O)18]·18H2O}n (7) [(H4L1 = 4-(3′,5′-dicarboxylphenoxy)phthalic acid, H4L2 3-(3′,5′-dicarboxylphenoxy)phthalic 4,4′-bipy 4,4′-bipyridine, dib 1,4-di(1H-imidazol-1-yl)benzene], have been synthesized by...

10.1021/acs.cgd.5b00205 article EN Crystal Growth & Design 2015-03-27

Two series of lanthanide metal organic frameworks (Ln–MOFs) [Ln(HL)(H2O)3]·H2O and [Ln(HL)(H2O)2] (Ln = Tb, 1; Er, 4; Tm, 5; Yb, 6; Dy, 2; Ho, 3) have been successfully assembled by Ln3+ ions asymmetric polycarboxylate ligand 3-(3′,5′-dicarboxyl-phenoxy) phthalic acid (H4L). The crystal structures, photoluminescence, magnetic properties these compounds investigated. Complexes 1, 4, 5, 6 are isostructural show 2D layer constructed hydrogen bonding interactions between the coordination water...

10.1021/acs.cgd.7b01565 article EN Crystal Growth & Design 2018-03-01

Two 3D/2D anionic metal–organic frameworks (MOFs), [Cu(HL)]n (1) and [Mn3(L)2(DMF)4]n (2) (DMF = N,N-dimethylformamide), were synthesized by the solvothermal reaction of metal salts 5′-(4-carboxyphenyl)-2′,4′,6′-triethyl-[1,1':3′,1″-terphenyl]-4,4″-dicarboxylic acid (H3L). Single-crystal X-ray diffraction analyses revealed that complex 1 shows three-dimensional (3D) with a (3,6)-connected 3-fold interpenetrated topology Schläfli symbols {4.62}2{42.610.83}, whereas two-dimensional (2D)...

10.1021/acs.inorgchem.4c04705 article EN Inorganic Chemistry 2025-01-08

Seven new metal–organic frameworks (MOFs), namely, [Zn 2 ( L 1 )(H O) 3 ] n ), )(dib)(H {[Zn )(4,4′-bipy)(H ]·H O} [Cd )(1,10-phen)] 4 [Ni (H )(4,4′-bipy)(μ -OH)(μ -H O)] 5 {[Co )(4,4′-bibp) ]·(4,4′-bibp) } 6 and [Co 7 where H are semi-rigid 3-(3,5-dicarboxylphenoxy)phthalic acid 4-(3,5-dicarboxylphenoxy)phthalic acid, respectively, 4,4′-bipy is 4,4′-bipyridine, dib 1,4-bis(1 -imidazol-1-yl)benzene, 1,10-phen 1,10-phenanthroline 4,4′-bipb 1,4-bis(pyridin-4-yl)benzene, have been prepared...

10.1107/s2052520620012834 article EN Acta Crystallographica Section B Structural Science Crystal Engineering and Materials 2020-11-11

Hypochlorous acid (HOCl) is widely used in daily production and life because of its green strongly oxidizing properties. Additionally, as a vital reactive oxygen species (ROS), it an innate immune system weapon performs critical function many pathophysiology processes. In this paper, novel water-soluble fluorescent probe, BMH, with excellent performance designed synthesized by simple condensation benzocoumarin 2-mercaptoethanol. BMH has specific selectivity, sensitivity, ultra-fast response...

10.1039/d1an02178h article EN The Analyst 2022-01-01

Abstract A novel 1D Zinc compound, formulated as [Zn(H 2 L 2− )(H O)] n ( 1 ) (H 4 = 3‐(3′,5′‐dicarboxyphenyl)pyridine‐2,6‐dicarboxylic acid), is synthesized by a rigid organic multi‐carboxylic acid ligand under hydrothermal conditions. Compound crystallizes in the orthorhombic P space group and exhibits fishbone‐like chain, exhibiting strong blue fluorescence emission at room temperature upon excitation. Fluorescence titration shows that intensity of compound varied contacting with...

10.1002/crat.201800155 article EN Crystal Research and Technology 2019-01-21

Two coordination polymers (CPs), namely, [Mn3(L)2(4,4'-bipy)2(H2O)2]n (1) and [Ni(L1)(1,4-bib)(H2O)]n (2) (H3L = 5-(3-bromo-4-carboxyphenoxy)isophthalic acid, H2L1 5-(3-hydroxyphenoxy)isophthalic 4,4'-bpy 4,4'-bipyridine, 1,4-bib 1,4-bis(1H-imidazol-1-yl)benzene), were synthesized under hydrothermal conditions. Most notably, with the help of bromine atom-inducing effect, ligand transformation was observed in structure complex 2, which scrutinized thoroughly by single crystal X-ray...

10.1021/acs.inorgchem.2c03643 article EN Inorganic Chemistry 2022-11-30
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