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Stepwise assembly of a semiconducting coordination polymer [Cd8S(SPh)(14)(DMF)(bpy)](n) and its photodegradation of organic dyes
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK). Anhui University of Technology, China.
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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2015 (English)In: Dalton Transactions, ISSN 1477-9226, E-ISSN 1477-9234, Vol. 44, no 14, 6400-6405 p.Article in journal (Refereed) Published
Abstract [en]

Chalcogenolate clusters can be interlinked with organic linkers into semiconducting coordination polymers with photocatalytic properties. Here, discrete clusters of Cd8S(SPh)(14)(DMF)(3) were interlinked with 4,4'-bipyridine into a one dimensional coordination polymer of [Cd8S(SPh)(14)(DMF)(bpy)](n) with helical chains. A stepwise mechanism for the assembly of the coordination polymer in DMF was revealed by an ex situ dynamic light scattering study. The cluster was electrostatically neutral and showed a penta-supertetrahedral structure. During the assembly each cluster was interlinked with two 4,4'-bipyridine molecules, which replaced the two terminal DMF molecules of the clusters. In their solid-state forms, the cluster and the coordination polymer were semiconductors with wide band gaps of 3.08 and 2.80 ev. They photocatalytically degraded rhodamine B and methylene blue in aqueous solutions. The moderate conditions used for the synthesis could allow for further in situ studies of the reaction-assembly of related clusters and coordination polymers.

Place, publisher, year, edition, pages
2015. Vol. 44, no 14, 6400-6405 p.
National Category
Chemical Sciences
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URN: urn:nbn:se:su:diva-117058DOI: 10.1039/c4dt03687eISI: 000351744000013PubMedID: 25747254OAI: oai:DiVA.org:su-117058DiVA: diva2:811168
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AuthorCount:5;

Available from: 2015-05-11 Created: 2015-05-06 Last updated: 2017-12-04Bibliographically approved

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