A novel rare-earth nitronyl nitroxide radical complex as a high-efficiency sensor for Cr3+ and Cr2O72− ions in aqueous solutions

In this article, a new complex with formula [Eu(hfac) 3 (NITPh-DOMe) 2 ] (1) (hfac =  hexafluoroacetylacetonate, NITPh-DOMe =2-(3′,4′-dioxylmethylene-phenyl)-4,4,5,5-tetramethyl-imidazoline-1-oxyl-3-oxide) has been successfully synthesized. Central Eu(III) ions of complex 1 are eight coordinated by...

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Published inInorganic and nano-metal chemistry Vol. 48; no. 9; pp. 454 - 460
Main Authors Yuan, Yue-Ying, Sun, Yu-Jun, Liu, Peng-Jing, Zhang, Chen-Xi, Wang, Qing-Lun
Format Journal Article
LanguageEnglish
Published Taylor & Francis 02.09.2018
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Abstract In this article, a new complex with formula [Eu(hfac) 3 (NITPh-DOMe) 2 ] (1) (hfac =  hexafluoroacetylacetonate, NITPh-DOMe =2-(3′,4′-dioxylmethylene-phenyl)-4,4,5,5-tetramethyl-imidazoline-1-oxyl-3-oxide) has been successfully synthesized. Central Eu(III) ions of complex 1 are eight coordinated by two NITPh-DOMe radicals and three hexafluoroacetylacetonate ligands. The luminescent explorations show that complex 1 with high sensitivity, selectivity, almost linear at low concentration and the low detection limit for detection of Cr 3+ (1 μM) and Cr 2 O 7 2 − (0.1 μM) ions in aqueous solutions.
AbstractList In this article, a new complex with formula [Eu(hfac) 3 (NITPh-DOMe) 2 ] (1) (hfac =  hexafluoroacetylacetonate, NITPh-DOMe =2-(3′,4′-dioxylmethylene-phenyl)-4,4,5,5-tetramethyl-imidazoline-1-oxyl-3-oxide) has been successfully synthesized. Central Eu(III) ions of complex 1 are eight coordinated by two NITPh-DOMe radicals and three hexafluoroacetylacetonate ligands. The luminescent explorations show that complex 1 with high sensitivity, selectivity, almost linear at low concentration and the low detection limit for detection of Cr 3+ (1 μM) and Cr 2 O 7 2 − (0.1 μM) ions in aqueous solutions.
Author Zhang, Chen-Xi
Liu, Peng-Jing
Yuan, Yue-Ying
Sun, Yu-Jun
Wang, Qing-Lun
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  organization: College of Chemistry, Nankai University
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Snippet In this article, a new complex with formula [Eu(hfac) 3 (NITPh-DOMe) 2 ] (1) (hfac =  hexafluoroacetylacetonate, NITPh-DOMe...
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StartPage 454
SubjectTerms fluorescent sensor
ions
Nitronyl nitroxides
Title A novel rare-earth nitronyl nitroxide radical complex as a high-efficiency sensor for Cr3+ and Cr2O72− ions in aqueous solutions
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