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Jayachandrababu KC, Bhattacharyya S, Chiang Y, et al. Recovery of Acid-Gas-Degraded Zeolitic Imidazolate Frameworks by Solvent-Assisted Crystal Redemption (SACRed). ACS Appl Mater Interfaces. 2017;9(40):34597-34602doi: 10.1021/acsami.7b11686.
Jayachandrababu, K. C., Bhattacharyya, S., Chiang, Y., Sholl, D. S., & Nair, S. (2017). Recovery of Acid-Gas-Degraded Zeolitic Imidazolate Frameworks by Solvent-Assisted Crystal Redemption (SACRed). ACS applied materials & interfaces, 9(40), 34597-34602. https://doi.org/10.1021/acsami.7b11686
Jayachandrababu, Krishna C, et al. "Recovery of Acid-Gas-Degraded Zeolitic Imidazolate Frameworks by Solvent-Assisted Crystal Redemption (SACRed)." ACS applied materials & interfaces vol. 9,40 (2017): 34597-34602. doi: https://doi.org/10.1021/acsami.7b11686
Jayachandrababu KC, Bhattacharyya S, Chiang Y, Sholl DS, Nair S. Recovery of Acid-Gas-Degraded Zeolitic Imidazolate Frameworks by Solvent-Assisted Crystal Redemption (SACRed). ACS Appl Mater Interfaces. 2017 Oct 11;9(40):34597-34602. doi: 10.1021/acsami.7b11686. Epub 2017 Oct 02. PMID: 28949125.
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ACS Appl Mater Interfaces. 2017 Oct 11;9(40):34597-34602. doi: 10.1021/acsami.7b11686. Epub 2017 Oct 02.

Recovery of Acid-Gas-Degraded Zeolitic Imidazolate Frameworks by Solvent-Assisted Crystal Redemption (SACRed).

ACS applied materials & interfaces

Krishna C Jayachandrababu, Souryadeep Bhattacharyya, Yadong Chiang, David S Sholl, Sankar Nair

Affiliations

  1. School of Chemical & Biomolecular Engineering, Georgia Institute of Technology , Atlanta, Georgia 30332-0100, United States.

PMID: 28949125 DOI: 10.1021/acsami.7b11686

Abstract

The acid stability of zeolitic imidazolate frameworks (ZIFs) is an important issue hindering their application. Acid-gas damage of ZIFs has been considered irreversible. However, we demonstrate a methodology called solvent-assisted crystal redemption (SACRed) to reverse acid-gas damage to ZIFs with a high degree of structural and functional recovery. For example, post-SACRed ZIF-8 is shown to be structurally and chemically near-identical with the original pristine ZIF-8 that suffered a large loss of surface area, porosity, and crystallinity during acid-gas exposure. We also provide mechanistic insight into the recovery process using deuterium-labeled linkers and

Keywords: MOFs; ZIFs; acid gas; degradation; recovery

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