Multidimensional luminescent cobalt( ii )-coordination polymers as sensors with extremely high sensitivity and selectivity for detection of acetylacetone, benzaldehyde and Cr 2 O 7 2

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-bi...

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Bibliographic Details
Published in:CrystEngComm 2020-04, Vol.22 (15), p.2656-2666
Main Authors: Li, Ai-Ling, Qu, Yun-Hua, Fu, Lianshe, Han, Chao, Cui, Guang-Hua
Format: Article
Language:English
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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, 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 Cr 2 O 7 2− anions in water.
ISSN:1466-8033
1466-8033
DOI:10.1039/D0CE00077A