Novel rhodamine derivate as high selective detection lead sensor

•A colorimetric and fluorescence turn on sensor 1 for Pb2+ was developed.•Sensor 1-Pb2+ shows longer absorption and emission wavelength.•Sensor 1 shows high selectivity toward Pb2+. A novel rhodamine based sensor 1 has been synthesized and characterized by NMR, FT-IR and mass. The binding properties...

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Bibliographic Details
Published in:Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Molecular and biomolecular spectroscopy, 2014-03, Vol.122, p.772-775
Main Authors: Li, Lian-Qing, Meng, Li-Ping
Format: Article
Language:English
Subjects:
Chemosensor
Pb2
Rhodamine
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Summary:•A colorimetric and fluorescence turn on sensor 1 for Pb2+ was developed.•Sensor 1-Pb2+ shows longer absorption and emission wavelength.•Sensor 1 shows high selectivity toward Pb2+. A novel rhodamine based sensor 1 has been synthesized and characterized by NMR, FT-IR and mass. The binding properties of sensor 1 were investigated in the presence of various metal ions by UV–Vis spectroscopy and fluorescence spectroscopy. Sensor 1 showed colorimetric and high emission intensity enhancement in the presence of Pb2+ in chloroform-THF (7:3).
ISSN:1386-1425
DOI:10.1016/j.saa.2013.12.095