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

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-...

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Published inCrystEngComm Vol. 22; no. 15; pp. 2656 - 2666
Main Authors Ai-Ling, Li, Yun-Hua Qu, Fu, Lianshe, Han, Chao, Guang-Hua Cui
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 01.01.2020
Subjects
Acetylacetone
Benzaldehyde
Benzene
Chemical sensors
Chemoreceptors
Cobalt
Coordination polymers
Crystallography
Hydrocarbons
Isomers
Selectivity
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Summary: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.
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ISSN:1466-8033
DOI:10.1039/d0ce00077a