Jump to main content
Jump to site search
Access to RSC content Close the message box

Continue to access RSC content when you are not at your institution. Follow our step-by-step guide.



Novel alkaline earth metal-organic frameworks with thiophene group for selective detection of Fe3+

Abstract

Three new alkaline earth metal-organic frameworks (MOFs), namely [Mg2(DMTDC)2(DMF)3(H2O)2]•2DMF•2H2O (1), [Ca(DMTDC)(DMF)] (2) and [Sr(DMTDC)(DMF)] (3), have been synthesized under solvothermal conditions by using a thiophene-functionalized dicarboxylate ligand, 3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid (H2DMTDC). Single-crystal X-ray diffraction analyses demonstrate that the metal ion radii plays an important role in coordination number and topologies, i.e., the hexa-coordinated Mg2+ in 1 gives a two-dimensional layered framework with a sql net, while the octa-coordinated Ca2+/Sr2+ in 2/3 exhibit a three-dimensional framework with lvt nets. All frameworks show a one-dimensional rhombus-shaped channel that occupied by DMF and/or water molecules. Photoluminescence studies reveal that 1-3 can be used as the fast-response fluorescence sensors for the sensitive detection of Fe3+ ions with favorable recyclability through fluorescence quenching.

Back to tab navigation

Supplementary files

Article information


Submitted
09 Jul 2020
Accepted
31 Jul 2020
First published
31 Jul 2020

CrystEngComm, 2020, Accepted Manuscript
Article type
Paper

Novel alkaline earth metal-organic frameworks with thiophene group for selective detection of Fe3+

J. Yao, Y. Liu, L. Yang, A. Dou, C. Hou, Q. Xu, B. Huang and A. Zhu, CrystEngComm, 2020, Accepted Manuscript , DOI: 10.1039/D0CE00990C

Social activity

Search articles by author

Spotlight

Advertisements