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An in situ microcrystal X-ray diffraction study of the synthetic aluminophosphate zeotypes DAF-1 and CoAPSO-44

Lookup NU author(s): Professor William Clegg

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Abstract

Microcrystalline diffraction techniques employing synchrotron radiation are used to obtain detailed structural information on two zeotype aluminophosphates. For DAF-1 a much improved description of the framework structure, especially relating to the Al-O, P-O bond alternation, has been obtained. A detailed in situ study of the structural changes occurring during the calcination of the template in the material CoAPSO-44 is reported. In situ FTIR spectroscopy yields a correlation between the decomposition of the template and the creation of framework Bronsted acid sites.

Publication metadata

Author(s): Muncaster G, Sankar G, Catlow CRA, Thomas JM, Bell RG, Wright PA, Coles S, Teat SJ, Clegg W, Reeve W

Publication type: Article

Publication status: Published

Journal: Chemistry of Materials

Year: 1999

Volume: 11

Issue: 1

Pages: 158-163

Print publication date: 01/01/1999

ISSN (print): 0897-4756

ISSN (electronic): 1520-5002

Publisher: American Chemical Society

URL: http://dx.doi.org/10.1021/cm980604q

DOI: 10.1021/cm980604q

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