Journal
MATERIALS LETTERS
Volume 84, Issue -, Pages 104-106Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2012.06.066
Keywords
Dipodal receptor; Nanoparticle; Ratiometric sensor; ZnO; Grain boundaries
Funding
- CSIR Research Project [01(2417)/10/EMR-11]
- IIT Ropar
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The surface of ZnO nanoparticles is decorated with dipodal receptors having imine linkages. The cation recognition properties of pure dipodal receptors and same receptors coated on ZnO have been compared. The dipodal receptors which were previously non-selective become highly selectivity for Al3+ after capping on the surface of ZnO nanoparticles. The ZnO nanoparticles were prepared by the sol-gel method and characterized through powder X-ray diffraction. Two spectroscopic techniques have been used to study the cation recognition behavior of receptors. The ZnO coated assemblies authenticate their use as sensitive sensors for Al3+ in a semi-aqueous medium by showing some remarkable changes in its profile. (C) 2012 Elsevier B.V. All rights reserved.
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