DONG Yanqiu,ZHAO Xiong,BAI Xuling,et al.Synthesis of Cd (Ⅱ) coordination polymer and its fluorescence recognition for hexavalent chromium oxylate ion[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2023,62(05):181-186.
DONG Yanqiu,ZHAO Xiong,BAI Xuling,et al.Synthesis of Cd (Ⅱ) coordination polymer and its fluorescence recognition for hexavalent chromium oxylate ion[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2023,62(05):181-186. DOI: 10.13471/j.cnki.acta.snus.2023C001.
Synthesis of Cd (Ⅱ) coordination polymer and its fluorescence recognition for hexavalent chromium oxylate ion
Under solvothermal conditions, a coordination polymer with fluorescence properties was constructed by using tricarboxylic acid derivative 5-((4-carboxybenzyl) amino) isophthalic acid (H
3
L) and 4,4'-dimethyl-2,2'-bipyridine (dbpy) as mixed ligands with Cd(Ⅱ), namely[Cd
2
(L)(dbpy)
2
(HCOO)(H
2
O)]•2H
2
O (CP
1
). Characterizing by X-ray single crystal diffraction, X-ray powder diffraction and thermogravimetric analysis, CP
1
was identified as a binuclear two-dimensional layered structure. In addition, CP
1
has good fluorescence, and can realize selective fluorescence quenching detection for hexavalent chromium oxylate ions (Cr
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