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Structural studies of bulk to nanosize niobium oxides with correlation to their acidity.

Abstract:

Hydrated niobium oxides are used as strong solid acids with a wide variety of catalytic applications, yet the correlations between structure and acidity remain unclear. New insights into the structural features giving rise to Lewis and Brønsted acid sites are presently achieved. It appears that Lewis acid sites can arise from lower coordinate NbO5 and in some cases NbO4 sites, which are due to the formation of oxygen vacancies in thin and flexible NbO6 systems. Such structural flexibility of ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1021/jacs.7b06856

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Inorganic Chemistry
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Inorganic Chemistry
Role:
Author
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Engineering and Physical Research Council More from this funder
Publisher:
American Chemical Society Publisher's website
Journal:
Journal of the American Chemical Society Journal website
Volume:
139
Issue:
36
Pages:
12670-12680
Publication date:
2017-08-05
Acceptance date:
2017-08-14
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
Pubs id:
pubs:725984
URN:
uri:010dda0f-96d8-483f-9910-73ce7f7d6353
UUID:
uuid:010dda0f-96d8-483f-9910-73ce7f7d6353
Local pid:
pubs:725984
Language:
English
Keywords:

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