Issue 15, 2021

Enhanced stability and colorimetric detection on Ag(i) ions of a methylthio-functionalized Zn(ii) metal–organic framework

Abstract

A tripodal linker with six pendant methylthio (–SCH3) groups was crystallized with Zn(II) ions to provide metal–organic framework (MOF) crystals, namely NOTT-6SMe-Zn, bearing three types of cage-like pores. NOTT-6SMe-Zn gives a highly distinguished color (dark brown) upon the introduction of Ag(I) ions, while it is insensitive towards other noble and transition metal ions. It exhibits a distinctly improved colorimetric detection of Ag(I) ions (e.g. as low as 30 ppm) and stability than that of non-methylthio functionalized NOTT-Zn. Better sensitivity is ascribed to the facile combination of soft sulfur atom and Ag(I) ions.

Graphical abstract: Enhanced stability and colorimetric detection on Ag(i) ions of a methylthio-functionalized Zn(ii) metal–organic framework

Supplementary files

Article information

Article type
Communication
Submitted
06 Нау. 2021
Accepted
23 Нау. 2021
First published
25 Нау. 2021

J. Mater. Chem. C, 2021,9, 5088-5092

Enhanced stability and colorimetric detection on Ag(I) ions of a methylthio-functionalized Zn(II) metal–organic framework

Y. Zhong, Y. He, H. Zhou, S. Zheng, Q. Zeng, L. Chung, W. Liao and J. He, J. Mater. Chem. C, 2021, 9, 5088 DOI: 10.1039/D1TC01043C

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