Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 6, Issue 7, Pages 1670-1678Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7tc03863a
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Funding
- NCN program, Poland [2012/07/B/ST/00885]
- Foundation for Science and Technology (FCT), Portugal [UID/QUI/00100/2013]
- Wroclaw Centre of Biotechnology, programme The Leading National Research Centre (KNOW)
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A new copper(I) coordination polymer [Cu-6(mu(3)-I)(6)(mu(3)-PTAQO)(2)](n) (1) was prepared from copper(I) iodide and 1,3,5-triaza-7-phosphaadamantane-7-oxide (PTAQO). The crystal structure of 1 reveals an intricate 2D coordination network constructed from the hexacopper(I)-iodide [Cu-6(mu(3)-I)(6)] cluster units with the 4M6-1 topology interlinked by the mu(3)-PTAQO 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 phases at room temperature. The visibility to the naked eye and the reversible color response of 1 and 1@paper upon contact with aniline make these materials rather promising candidates for application as turn-on'' luminescence sensors for aniline recognition at room temperature. Visual aniline sensing detection limits of 0.26 and 0.065 ppb were observed for 1 and 1@paper under ambient conditions, respectively.
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