Spectroscopic Study on Cu2+-induced Abnormally Blue-Shifted Fluorescence of Rhodamine Amide Derivative Contaning a N-Acetic Acid Substituent
首发时间:2015-10-26
Abstract:In this paper, a new rhodamine derivative (RBAA) containing an ethylenediamine-N-acetic acid moiety was synthesized and its fluorescence and absorption spectra were recorded in the presence of metal cations such as Cu2+ and Hg2+, respectively. It was found that the RBAA exhibited a abnormally blue-shifted green fluorescence with Cu2+, whereas showed an orange fluorescence with Hg2+. This was ascribed to a Cu2+-induced aggregation of RBAA.
keywords: Fluorescent probes Rhodamine derivatives Spectroscopy Metal cations Aggregate
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No.4657719109125514****
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