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  Microcalorimetric insight into the analysis of the reactive adsorption of ammonia on Cu-MOF and its composite with graphite oxide

Petit, C., Wrabetz, S., & Bandosz, T. J. (2012). Microcalorimetric insight into the analysis of the reactive adsorption of ammonia on Cu-MOF and its composite with graphite oxide. Journal of Materials Chemistry, 22(40), 21443-21447. doi:10.1039/c2jm34973f.

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c2jm34973f.pdf (Publisher version), 236KB
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2012
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 Creators:
Petit, Camille1, Author
Wrabetz, Sabine2, Author           
Bandosz, Teresa J.1, Author
Affiliations:
1The Department of Chemistry, The City College of New York and the Graduate School of the City University of New York, 160 Convent Avenue, New York, USA, ou_persistent22              
2Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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 Abstract: The determination of reactive adsorption mechanisms on metal–organic frameworks remains largely unexplored and knowledge in that field would provide an important stepping stone in enhancing the performance of these materials for gas separation. In this study, the mechanisms of ammonia adsorption on HKUST-1 and its composite with graphite oxide (GO) were analyzed using microcalorimetry, and the results were compared to those derived from other characterization tools. The key to this study lies in conducting measurements at very low surface coverage in order to define the most energetic adsorption phenomena. It was found that ammonia reacted with the Cu sites and then with the ligands causing MOF to collapse. On the other hand, GO enhanced the heats of adsorption owing to its additional reactive sites.

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Language(s): eng - English
 Dates: 2012-07-262012-08-282012-09-25
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1039/c2jm34973f
 Degree: -

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Title: Journal of Materials Chemistry
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 22 (40) Sequence Number: - Start / End Page: 21443 - 21447 Identifier: ISSN: 0959-9428
CoNE: https://pure.mpg.de/cone/journals/resource/954925273429