Highly selective fluorescent signaling for Al3+ in bispyrenyl polyether

Jung Kim Hyun; Ho Kim Su; Tuan Quang Duong; Hyung Kim Ja; Il Hwan Suh; Seung Kim Jong

doi:10.5012/bkcs.2007.28.5.811

Highly selective fluorescent signaling for Al³⁺ in bispyrenyl polyether

Jung Kim Hyun, Ho Kim Su, Tuan Quang Duong, Hyung Kim Ja, Il Hwan Suh, Seung Kim Jong

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

A series of bispyrenyl-polyether have been synthesized and investigated as a fluorescent chemosensor for metal ions. The results showed that bispyrenyl-polyether system is selective towards Al³⁺ ion over other ions tested. In free ligand, excited at 343 nm, it displays a strong excimer emission at around 475 nm with a weak monomer emission at 375 nm. A ratiometry of monomer (375 nm) increase and excimer (475 nm) quenching was shown only when Al³⁺ ion is bound to ligand, because two facing pyrene groups form a less efficient overlap of π?π stacking compared with that of free ligand.

Original language	English
Pages (from-to)	811-815
Number of pages	5
Journal	Bulletin of the Korean Chemical Society
Volume	28
Issue number	5
DOIs	https://doi.org/10.5012/bkcs.2007.28.5.811
Publication status	Published - 2007 May 20
Externally published	Yes

Keywords

Aluminium ion
Excimer
Fluorescence
Pyrene

ASJC Scopus subject areas

Chemistry(all)

Access to Document

10.5012/bkcs.2007.28.5.811

Cite this

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title = "Highly selective fluorescent signaling for Al3+ in bispyrenyl polyether",

abstract = "A series of bispyrenyl-polyether have been synthesized and investigated as a fluorescent chemosensor for metal ions. The results showed that bispyrenyl-polyether system is selective towards Al3+ ion over other ions tested. In free ligand, excited at 343 nm, it displays a strong excimer emission at around 475 nm with a weak monomer emission at 375 nm. A ratiometry of monomer (375 nm) increase and excimer (475 nm) quenching was shown only when Al3+ ion is bound to ligand, because two facing pyrene groups form a less efficient overlap of π?π stacking compared with that of free ligand.",

keywords = "Aluminium ion, Excimer, Fluorescence, Pyrene",

author = "Hyun, {Jung Kim} and Su, {Ho Kim} and Duong, {Tuan Quang} and Ja, {Hyung Kim} and Suh, {Il Hwan} and Jong, {Seung Kim}",

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T1 - Highly selective fluorescent signaling for Al3+ in bispyrenyl polyether

AU - Hyun, Jung Kim

AU - Su, Ho Kim

AU - Duong, Tuan Quang

AU - Ja, Hyung Kim

AU - Suh, Il Hwan

AU - Jong, Seung Kim

PY - 2007/5/20

Y1 - 2007/5/20

N2 - A series of bispyrenyl-polyether have been synthesized and investigated as a fluorescent chemosensor for metal ions. The results showed that bispyrenyl-polyether system is selective towards Al3+ ion over other ions tested. In free ligand, excited at 343 nm, it displays a strong excimer emission at around 475 nm with a weak monomer emission at 375 nm. A ratiometry of monomer (375 nm) increase and excimer (475 nm) quenching was shown only when Al3+ ion is bound to ligand, because two facing pyrene groups form a less efficient overlap of π?π stacking compared with that of free ligand.

AB - A series of bispyrenyl-polyether have been synthesized and investigated as a fluorescent chemosensor for metal ions. The results showed that bispyrenyl-polyether system is selective towards Al3+ ion over other ions tested. In free ligand, excited at 343 nm, it displays a strong excimer emission at around 475 nm with a weak monomer emission at 375 nm. A ratiometry of monomer (375 nm) increase and excimer (475 nm) quenching was shown only when Al3+ ion is bound to ligand, because two facing pyrene groups form a less efficient overlap of π?π stacking compared with that of free ligand.

KW - Aluminium ion

KW - Excimer

KW - Fluorescence

KW - Pyrene

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