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Novel 2D coordination network built from hexacopper(I)-iodide clusters and cagelike aminophosphine blocks for reversible “turn-on” sensing of aniline

Abstract

A new copper(I) coordination polymer [Cu6(µ3-I)6(µ3-PTA=O)2]n (1) was prepared from copper(I) iodide and 1,3,5-triaza-7-phosphaadamantane-7-oxide (PTA=O). The crystal structure of 1 reveals an intricate 2D coordination network constructed from the hexacopper(I)-iodide [Cu6(µ3-I)6] cluster units with the 4M6-1 topology interlinked by the µ3-PTA=O spacers. An overall 2D layer network can be simplified to a binodal 3,6-connected net with the kgd topology. A derived 1@paper material was prepared by impregnating compound 1 onto a filter paper. Detailed investigation of the luminescence properties for 1 and 1@paper in the solid state revealed a remarkable ability of both materials to sense aniline molecules in liquid and vapor phase at room temperature. Visible for the naked-eye and reversible color response of 1 and 1@paper upon contact with aniline makes these materials rather promising candidates for applications as “turn-on” luminescence sensor for aniline recognition at room temperature. Visual aniline sensing detection limit of 0.26 and 0.065 ppb were observed for 1 and 1@paper at ambient conditions, respectively.

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Publication details

The article was received on 24 Aug 2017, accepted on 31 Oct 2017 and first published on 06 Nov 2017


Article type: Paper
DOI: 10.1039/C7TC03863A
Citation: J. Mater. Chem. C, 2017, Accepted Manuscript
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    Novel 2D coordination network built from hexacopper(I)-iodide clusters and cagelike aminophosphine blocks for reversible “turn-on” sensing of aniline

    P. Smolenski, A. Kirillov, S. Jaros, J. Sokolnicki, A. Wołoszyn and M. Haukka, J. Mater. Chem. C, 2017, Accepted Manuscript , DOI: 10.1039/C7TC03863A

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