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Cited by 216

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Insights into Adsorption of NH3 on HKUST-1 Metal–Organic Framework: A Multitechnique Approach

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Borfecchia, Elisa, Maurelli, Sara, Gianolio, Diego, Groppo, Elena, Chiesa, Mario, Bonino, Francesca, Lamberti, Carlo·2012·The Journal of Physical Chemistry C

Abstract

We report a careful characterization of the interaction of NH 3 with the Cu(II) sites of the [Cu 2 C 4 O 8 ] paddle-wheel cornerstone of the HKUST-1 metallorganic framework, also known as Cu 3 (BTC) 2 . The general picture emerging from combining XRPD, EXAFS, XANES, mid- and far-IR, DRUV–vis, and EPR techniques is that the presence of traces of water has relevant consequences on the effect of ammonia on the MOF framework. NH 3 adsorption on the dry system results in a strong chemisorption on Cu(II) sites that distorts the framework, keeping the crystallinity of the material. Perturbation observed upon NH 3 adsorption is analogous to that observed for H 2 O, but noticeably enhanced. When the adsorption of ammonia occurs in humid conditions, a time-dependent, much deeper modification of the system is observed by all of the considered techniques. On a methodological ground, it is worth noticing that we used the optimization of XANES spectra to validate the bond distance obtained by EXAFS.

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Metadata

Authors
Borfecchia, E., Maurelli, S., Gianolio, D., Groppo, E., Chiesa, M., Bonino, F., & Lamberti, C.
Venue
The Journal of Physical Chemistry C
Published
2012-09-10
Volume
116
Issue
37
Pages
19839-19850
ISSN
  • 1932-7447 (ISSN-L)
  • 1932-7455
OpenAlex
W2316605407
Cited by
216
References
2
FWCI
7.34
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Insights into Adsorption of NH3 on HKUST-1 Metal–Organic Framework: A Multitechnique Approach. https://app.cochat.ai/papers/10.1021/jp305756k
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Borfecchia, E., Maurelli, S., Gianolio, D., Groppo, E., Chiesa, M., Bonino, F., & Lamberti, C. (2012). Insights into Adsorption of NH3 on HKUST-1 Metal–Organic Framework: A Multitechnique Approach. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp305756k

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