From a Tb3+ chelated compound to a hybrid material: selective emission responses to anions
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Zheng-Yang Zhang
,
Qian-Ming Wang
Abstract
A novel terbium 2-hydroxymethyl-benzoimidazole-6-carboxylic acid complex has been designed and unique emission changes to fluoride anions in comparison with HSO4−, AcO−, Cl−, Br−, and I− were observed. Then, the complex was encapsulated into an inorganic matrix. The novel hybrid material, with strong green emission was successfully synthesized as an anions receptor in water. More importantly, this hybrid material not only gave luminescence response to F−, but also to HSO4−. Spectroscopic studies demonstrated that the recognition process for fluoride ions can be mainly ascribed to its hydrogen bonding interactions with hydrogen bond donor units (NH and OH). In case of hydrogen sulfate, the sensing effects can be probably attributed to its acidity instead of hydrogen bonding interactions.
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© 2011 Institute of Chemistry, Slovak Academy of Sciences
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Articles in the same Issue
- Determination of impurities for controllable growth of high quality optical fluorite
- Microbial and enzymatic hydrolysis of tannic acid: influence of substrate chemical quality
- Characterisation and performance of three promising heterogeneous catalysts in transesterification of palm oil
- Synthesis of rare earth ternary complexes using tryptophan and sodium citrate and their anticoagulant action
- A new bis(azine) tetradentate ligand and its transition metal complexes: Synthesis, characterisation, and extraction properties
- Bicontinuous nanodisc and nanospherical titania materials prepared by sol-gel process in reverse microemulsion
- Oxidation of 3,5-di-tert-butylcatechol in the presence of V-polyoxometalate
- A new convenient synthesis of 5-aryl-2-(arylamino)-1,3,4-oxadiazole derivatives
- From a Tb3+ chelated compound to a hybrid material: selective emission responses to anions
- Doping level of Mn in high temperature grown Zn1−x MnxO studied through electronic charge distribution, magnetization, and local structure
- Thermal analysis of (NaF/AlF3)-FeF3 and (NaF/AlF3)-FeO systems
