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Three low dimensional open germanates based on the 4(4) net
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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2012 (English)In: CrystEngComm, ISSN 1466-8033, E-ISSN 1466-8033, Vol. 14, no 17, 5465-5471 p.Article in journal (Refereed) Published
Abstract [en]

Three novel low-dimensional open-germanates, denoted as SU-71, SU-72 and SU-73, were synthesized by solvothermal methods and their structures were determined by single crystal X-ray diffraction. The structures of SU-71, SU-72 and SU-73 are all built from Ge7X19 (X = O, OH or F) clusters that are connected according to the topologies related to the 4(4) net. SU-71 has a layered structure following the 4(4) net, SU-72 contains 2D slabs with unprecedented crescent-shaped 23-ring channels and SU-73 consists of zero-dimensional (0D) open nanoballs. SU-71 and SU-72 were both synthesized using 1-(2-aminoethyl)piperazine (AEP) as the organic structure directing agent, while pentaethylenehexamine (PEHA) was used for the synthesis of SU-73. All three phases form in the presence of HF, which promotes the formation of the Ge7X19 cluster. A comparison of the related structures reveals a relationship between the orientation of the Ge7X19 building units and the curvature of the 4(4) net layer.

Place, publisher, year, edition, pages
2012. Vol. 14, no 17, 5465-5471 p.
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:su:diva-81307DOI: 10.1039/c2ce25665gISI: 000306972100017OAI: oai:DiVA.org:su-81307DiVA: diva2:560783
Note

AuthorCount:5;

Available from: 2012-10-15 Created: 2012-10-15 Last updated: 2017-12-07Bibliographically approved

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