New metal-coordination-inhibited charge transfer emission for terfluorenes: highly sensitive and selective detection for Hg2+ with ratiometric “turn-on” fluorescence response

Linna Zhu; Jingui Qin; Chuluo Yang

doi:10.1039/C0CC02957B

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New metal-coordination-inhibited charge transfer emission for terfluorenes: highly sensitive and selective detection for Hg²⁺ with ratiometric “turn-on” fluorescence response†

Linna Zhu,^a Jingui Qin^a and Chuluo Yang*^a

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* Corresponding authors

^a Department of Chemistry, Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, Wuhan University, Wuhan 430072, P. R. China
E-mail: clyang@whu.edu.cn

Abstract

Two terfluorenes TFOH and TFN exhibit high sensitivity and selectivity for the detection of Hg²⁺ with ratiometric fluorescence response. The sensory mechanism is attributed to a new metal-coordination-inhibited spiroconjugation-like charge transfer emission.

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Supplementary files

Experimental section PDF (579K)

Article information

DOI: https://doi.org/10.1039/C0CC02957B
Article type: Communication
Submitted: 01 Aug 2010
Accepted: 05 Oct 2010
First published: 21 Oct 2010

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Chem. Commun., 2010,46, 8755-8757

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New metal-coordination-inhibited charge transfer emission for terfluorenes: highly sensitive and selective detection for Hg²⁺ with ratiometric “turn-on” fluorescence response

L. Zhu, J. Qin and C. Yang, Chem. Commun., 2010, 46, 8755 DOI: 10.1039/C0CC02957B

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Chemical Communications