Cu2+-induced blue shift of the pyrene excimer emission: a new signal transduction mode of pyrene probes.

Abstract

A pentiptycene-bispyrenyl system (1) has been synthesized and investigated as a fluorescent chemosensor for metal ions. A novel blue shift along with an intensity enhancement of the pyrene excimer emission is observed for 1 in the presence of Cu(2+). Such a new signal transduction mode of pyrene probes results from the formation of a static pyrene excimer that has very different characteristics from its dynamic counterpart.

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@article{Yang2001Cu2inducedBS, title={Cu2+-induced blue shift of the pyrene excimer emission: a new signal transduction mode of pyrene probes.}, author={J . - S Yang and C S Lin and Chee Youn Hwang}, journal={Organic letters}, year={2001}, volume={3 6}, pages={889-92} }