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Bis(μ3-iodo)-pentakis(μ2-iodo)-penta-copper(I) e: A fully ordered, isolated [Cu5I7]2 cluster
Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för material- och miljökemi (MMK).
Lunds universitet, Polymer- och materialkemi.
2011 (engelsk)Inngår i: Solid State Sciences, ISSN 1293-2558, E-ISSN 1873-3085, Vol. 13, nr 4, s. 768-772Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Two new compounds, [(C4H9)4P]2[Cu5I7] and [(C4H9)4P]2[Cu5I7]·CH3COCH2OH were synthesized by solvolysis and their crystal structures were solved. The first compound is disordered, but the solvate represents the first example of a fully ordered [Cu5I7]2− cluster. It displays a molecular symmetry very close to C2. Both compounds crystallize in space group P21/c.

sted, utgiver, år, opplag, sider
2011. Vol. 13, nr 4, s. 768-772
Emneord [en]
copper (I) iodide cluster structure
HSV kategori
Forskningsprogram
materialkemi
Identifikatorer
URN: urn:nbn:se:su:diva-42782DOI: 10.1016/j.solidstatesciences.2010.03.019ISI: 000289965900014OAI: oai:DiVA.org:su-42782DiVA, id: diva2:351438
Tilgjengelig fra: 2010-09-14 Laget: 2010-09-14 Sist oppdatert: 2017-12-12bibliografisk kontrollert
Inngår i avhandling
1. New Cu-I cluster compounds with luminescent properties
Åpne denne publikasjonen i ny fane eller vindu >>New Cu-I cluster compounds with luminescent properties
2011 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

The aim of this thesis has been to investigate how the synthesis route, choice of solvent and counter-ions effects the crystallization of Cu(I)I systems, and to investigate the correlation between the structure and luminescence properties of the systems.

In order to do so a series of compounds based on an anion containing Cu(I)I, stabilized by organic cations have been produced. The crystal structures have been determined by single crystal X-ray crystallography. The luminescence properties have been quantified by laser confocal microscopy or by fluorescence spectrophotometry. We have also performed quantum mechanical calculations (Time Dependent Density Functional Theory (TDDFT)) to increase the understanding of the luminescence properties of the title system.

Incorporation of tetraalkylammonium with different chain-size showed that the size of the counter-ion matters, where small counter-ion give rise to formation of infinite chains and large and bulky counter-ion tends to form discrete anion. However, the effect of incorporation of different phosphonium based cations was not as consistent, hence the conclusion must be that the size of the cation matters only sometimes. Two different synthesis routes have been employed during this study, the solvolysis method and the hydrothermal method. The latter method showed to be very efficient for this system. Hydrothermal conditions do, however, tend to give rise to the formation of the thermodynamically most stable product and the combination of the two approaches is beneficial for a wider scan of the phase space.

sted, utgiver, år, opplag, sider
Stockholm: Department of Materials and Environmental Chemistry (MMK), Stockholm University, 2011. s. 51
Emneord
Copper (I) iodide, structure determination, luminescence, TDDFT
HSV kategori
Forskningsprogram
materialkemi
Identifikatorer
urn:nbn:se:su:diva-54910 (URN)978-91-7447-240-0 (ISBN)
Disputas
2011-04-13, Magnélisalen, Kemiska övningslaboratoriet, Svante Arrhenius väg 16 B, Stockholm, 09:00 (engelsk)
Opponent
Veileder
Merknad
At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: In press. Paper 6: Submitted. Paper 7: Submitted. Paper 8: Submitted. Paper 9: Manuscript. Tilgjengelig fra: 2011-03-22 Laget: 2011-02-21 Sist oppdatert: 2011-04-05bibliografisk kontrollert

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