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Irreversible Network Transformation in a Dynamic Porous Host Catalyzed by Sulfur Dioxide
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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2013 (English)In: Journal of the American Chemical Society, ISSN 0002-7863, E-ISSN 1520-5126, Vol. 135, no 13, 4954-4957 p.Article in journal (Refereed) Published
Abstract [en]

Porous NOTT-202a shows exceptionally high uptake of SO2, 13.6 mmol g(-1) (87.0 wt %) at 268 K and 1.0 bar, representing the highest value reported to date for a framework material. NOTT-202a undergoes a distinct irreversible framework phase transition upon SO2 uptake at 268-283 K to give NOTT-202b which has enhanced stability due to the formation of strong pi...pi interactions between interpenetrated networks.

Place, publisher, year, edition, pages
2013. Vol. 135, no 13, 4954-4957 p.
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-89994DOI: 10.1021/ja401061mISI: 000317259300014OAI: oai:DiVA.org:su-89994DiVA: diva2:622154
Funder
Swedish Research Council
Note

AuthorCount:11;

Available from: 2013-05-20 Created: 2013-05-20 Last updated: 2017-12-06Bibliographically approved
In thesis
1. Inorganic and Metal-Organic Framework Materials: Synthesis and structure characterization
Open this publication in new window or tab >>Inorganic and Metal-Organic Framework Materials: Synthesis and structure characterization
2014 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Inorganic and metal-organic framework materials possessing accessible and permanent pores are receiving tremendous attention. Among them, zeolites are the most famous class due to their wide applications on petrochemistry and gas separation. Besides zeolites, the other oxide framework materials are also intensively investigated because of their diverse structures and compositions. Metal-organic frameworks are built from metal clusters and organic linkers. By rational designing the reagent, the network with desired topology and functionality can be synthesized.

For all of the framework materials mentioned above, to explore novel framework structures is important for improving properties and discovering new applications. This thesis includes the synthesis of zeolites and structure characterization for various types of inorganic framework materials. The zeolite synthesis conditions was exploited. With the optimized condition, the zeolite ITQ-33 was synthesized as single crystals. From the single crystal X-ray diffraction data, the disorder in the structure is discovered and explained. Following the topic of disorder and twinning, we proposed a novel method of solving structure of pseudo-merohedric twinning crystal by using an example of a metal-organic complex crystal. Then we also showed methods for solving structures of high complexity and nano-crystal by using mainly powder X-ray diffraction and transmission electron microscopy. Four examples were shown in chapter 4 including open-framework germanates and metal-organic frameworks.

Place, publisher, year, edition, pages
Department of Materials and Environmental Chemistry (MMK), Stockholm University, 2014. 86 p.
Keyword
X-ray diffraction, transmission electron microscopy, framework materials, porous materials
National Category
Inorganic Chemistry
Research subject
Inorganic Chemistry
Identifiers
urn:nbn:se:su:diva-102816 (URN)978-91-7447-913-3 (ISBN)
Public defence
2014-05-28, Magnélisalen, Kemiska övningslaboratoriet, Svante Arrhenius väg 16 B, Stockholm, 10:00 (English)
Opponent
Supervisors
Note

At the time of the doctoral defence the following paper was unpublished and a status as follows: Paper  4: Manuscript

Available from: 2014-05-06 Created: 2014-04-22 Last updated: 2014-05-02Bibliographically approved

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