A novel strategy for the design of smart supramolecular gels: controlling stimuli-response properties through competitive coordination of two different metal ions

Qi Lin; Bin Sun; Qing-Ping Yang; Yong-Peng Fu; Xin Zhu; You-Ming Zhang; Tai-Bao Wei

doi:10.1039/C4CC03753G

A novel strategy for the design of smart supramolecular gels: controlling stimuli-response properties through competitive coordination of two different metal ions

Qi Lin,*^a Bin Sun,^a Qing-Ping Yang,^a Yong-Peng Fu,^a Xin Zhu,^a You-Ming Zhang^a and Tai-Bao Wei*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, P. R. China
E-mail: linqi2004@126.com, weitaibao@126.com

Abstract

By rationally introducing Ca²⁺ and Fe³⁺ into a supramolecular gel, a bimetal–gel CaFeG was prepared. CaFeG could reversibly “turn-on” its fluorescence upon sensing H₂PO₄⁻ with specific selectivity under gel–gel states through the competitive coordination of Ca²⁺ and Fe³⁺ with gelators and H₂PO₄⁻. Thus, CaFeG could act as a H₂PO₄⁻ test kit and could be utilised in rewritable security display materials.

Supplementary files

Publication details

The article was received on 16 May 2014, accepted on 15 Jul 2014 and first published on 15 Jul 2014

Article type: Communication

DOI: 10.1039/C4CC03753G

Author version available: Download Author version (PDF)

Citation: Chem. Commun., 2014,50, 10669-10671

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A novel strategy for the design of smart supramolecular gels: controlling stimuli-response properties through competitive coordination of two different metal ions

Q. Lin, B. Sun, Q. Yang, Y. Fu, X. Zhu, Y. Zhang and T. Wei, Chem. Commun., 2014, 50, 10669
DOI: 10.1039/C4CC03753G
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Chemical Communications

A novel strategy for the design of smart supramolecular gels: controlling stimuli-response properties through competitive coordination of two different metal ions

Abstract

Supplementary files

Publication details

A novel strategy for the design of smart supramolecular gels: controlling stimuli-response properties through competitive coordination of two different metal ions

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