Multidimensional luminescent cobalt(II)-coordination polymers as sensors with extremely high sensitivity and selectivity for detection of acetylacetone, benzaldehyde and Cr2O72-

resumo

Three new ternary cobalt(s)-coordination polymers containing isomers of bis(benzimidazole) linkers, namely, (Co(TBTA)(L1)(2))(n) (1), (Co(TBTA)(L2)(2)](n) (2) and (Co(TBTA)(L3)(1.)(5)](n) (3) (L1 = 12-bis(benzimidazol-1- yirnethyl)benzene, L2 = 1,3-bis(benzimidazol-1-ylmethyl)benzene, L3 = 1,4-bis(benzimidazol-1ylmethyl)benzene, H(2)TBTA = tetrabromoterephthalic acid) were hydrothermally synthesized and characterized. 1 exhibits a 3D uninodal pcu framework, 2 possesses a hcb layer and 3 is a 1D chain structure. 1, 2 and 3 are highly sensitive and selective luminescent chemosensors for detection of acetylacetone, benzaldehyde and Cr2O72- anions in water.

palavras-chave

METAL-ORGANIC FRAMEWORK; COORDINATION POLYMERS; FLEXIBLE BIS(BENZIMIDAZOLE); SONOCHEMICAL SYNTHESIS; CRYSTAL-STRUCTURES; ZN-MOF; IONS; ACID; CARBOXYLATE; NETWORKS

categoria

Chemistry; Crystallography

autores

Li, AL; Qu, YH; Fu, LS; Han, C; Cui, GH

Grupos

agradecimentos

This project was supported by the National Natural Science Foundation of China (51474086). This work was also developed within the scope of the project CICECO-Aveiro Institute of Materials, UIDB/50011/2020 & UIDP/50011/2020, financed by national funds through the FCT/MEC and when appropriate co-financed by FEDER under the PT2020 Partnership Agreement.

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