Carboxylate bridging Cd(II)-based 1D coordination polymer: Structure, fabrication of Schottky device and selective sorption of Bromocresol Green

• Published in: Inorganica Chimica Acta 2024-11, Vol.572, p.122277, Article 122277
• Main Authors: Ahmed, Sabir, Sahoo, Dipankar, Brandão, Paula, Bhunia, Suprava, Baran Manik, Nabin, Sinha, Chittaranjan
• Format: Article
• Language: English
• Subjects: Bromocresol Green sorption; Cd(II) 1D Coordination Polymer; DFT analysis; Semiconducting
• ISSN: 0020-1693
• DOI: 10.1016/j.ica.2024.122277

1D Coordination Polymer (1D CP), {[Cd(1,3-PDAt)(phen)]⋅(MeOH)⋅(H2O)0.5}n, (CP) exhibits the band gap 3.87 eV and measures the electrical d conductivity, 8.87×10−6 S/m in the dark. The 1D CP reversibly sorbs selectively Bromocresol Green dye and removes by water. Sorption-desorption cycles have been continued for sustainable use of the CP. [Display omitted] •Phenyl-1,3-dicetato bridging Cd(II)-based 1D Coordination polymer is reported.•The band gap of material (Expt. 3.87 eV; Cal. 3.76 eV) demonstrates semiconducting nature and the conductivity is 8.87 × 10−6 S/m.•The material sorbs Bromocresol Green (BG) in presence of other dyes and has recycled by washing with water. Phenyl-1,3-diacetate (1,3-PDAt) bridging Cd(II)-based 1D coordination polymer {[Cd(1,3-PDAt)(phen)]⋅(MeOH)⋅(H2O)0.5}n, (CP) where 1,10-phenanthroline (phen) serves as chelating ligand has been structurally confirmed by Single Crystal X-Ray Diffraction measurements along with other spectral data. The thermal treatment releases MeOH at ∼90 °C and the final product ends at CdO. The Tauc’s plot evaluates the band gap, 3.87 eV (calculated value, 3.76 eV) using absorption spectral data which marks the semiconducting nature of the material. This has motivated us to fabricate Schottky Diode device and the measured conductance is 8.87 × 10−6 S/m in the dark. Interestingly, 1D CP shows selective and specific sorption of Bromocresol Green (BG) out of four common dyes (Methylene blue, Methyl orange, Rhodamine B, and Bromocresol Green (BG)). Besides, the sorbed BG in the CP is leached out on treating with water and the CP has been re-used for further sorption studies. Thus, the CP is economically recycled which is the first principle of Sustainable Development Goals.