A New Highly Selective, Ratiometric and Colorimetric Fluorescence Sensor for Cu<sup>2+</sup> with a Remarkable Red Shift in Absorption and Emission Spectra Based on Internal Charge Transfer

Goswami, Shyamaprosad; Sen, Debabrata; K. Das, Nirmal

doi:10.1021/ol9029066

Public

A New Highly Selective, Ratiometric and Colorimetric Fluorescence Sensor for Cu2+ with a Remarkable Red Shift in Absorption and Emission Spectra Based on Internal Charge Transfer

Published in Organic Letters • Jan 27, 2010

Authors:

Shyamaprosad Goswami

Debabrata Sen

Nirmal K. Das

Abstract

A new 1,8-diaminonaphthalene based ratiometric and highly selective colorimetric "off-on" type of fluorescent probe, receptor 2 has been designed and synthesized that senses only Cu(2+) among the other heavy and transition metal ions examined on the basis of internal charge transfer (ICT). The visua...

Subject

Chemistry

Fluorescence

Absorption (acoustics)

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