Issue 13, 2013

Solvent dependent competition between fluorescence resonance energy transfer and through bond energy transfer in rhodamine appended hexaphenylbenzene derivatives for sensing of Hg2+ ions

Abstract

Hexaphenylbenzene (HPB) derivatives 5 and 7 having rhodamine B moieties have been designed and synthesized, and have been shown to display solvent dependent. Fluorescence resonance energy transfer (FRET) and through bond energy transfer (TBET) in the presence of Hg2+ ions among the various cations (Cu2+, Pb2+, Zn2+, Ni2+, Cd2+, Ag+, Ba2+, Mg2+, K+, Na+, and Li+) have been tested. Derivative 5 displays quite high through bond energy transfer efficiency in the presence of Hg2+ ions in methanol whereas derivative 7 exhibits better FRET efficiency in the presence of Hg2+ ions in THF and CH3CN than derivative 5.

Graphical abstract: Solvent dependent competition between fluorescence resonance energy transfer and through bond energy transfer in rhodamine appended hexaphenylbenzene derivatives for sensing of Hg2+ ions

Supplementary files

Article information

Article type
Paper
Submitted
23 Nov 2012
Accepted
03 Jan 2013
First published
07 Jan 2013

Dalton Trans., 2013,42, 4456-4463

Solvent dependent competition between fluorescence resonance energy transfer and through bond energy transfer in rhodamine appended hexaphenylbenzene derivatives for sensing of Hg2+ ions

V. Bhalla, V. Vij, R. Tejpal, G. Singh and M. Kumar, Dalton Trans., 2013, 42, 4456 DOI: 10.1039/C2DT32803H

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