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

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Abstract

Three new ternary cobalt(II)-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 = 1,2-bis(benzimidazol-1-ylmethyl)benzene, L2 = 1,3-bis(benzimidazol-1-ylmethyl)benzene, L3 = 1,4-bis(benzimidazol-1-ylmethyl)benzene, H2TBTA = 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.

Graphical abstract: Multidimensional luminescent cobalt(ii)-coordination polymers as sensors with extremely high sensitivity and selectivity for detection of acetylacetone, benzaldehyde and Cr2O72−

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Article information


Submitted
19 Jan 2020
Accepted
06 Mar 2020
First published
06 Mar 2020

CrystEngComm, 2020, Advance Article
Article type
Paper

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

A. Li, Y. Qu, L. Fu, C. Han and G. Cui, CrystEngComm, 2020, Advance Article , DOI: 10.1039/D0CE00077A

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