Please use this identifier to cite or link to this item: http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/9427
Title: Ultra-Microporous Zinc-Diaminotriazolate-Oxalate Metal Organic Framework with Nonlayered-Pillared Structure Showing High Carbon Dioxide Uptakes at Low Partial Pressures
Authors: SINGH, PIYUSH
SINGH, HIMAN DEV
SHEKHAR, PRAGALBH
JAIN, CHITVAN
Song, Ping
Loloei, Mahsa
Edwin, Michael
Gao, Yan
Masoumifard, Nima
VAIDHYANATHAN, RAMANATHAN
Dept. of Chemistry
Keywords: Adsorption
Chemical structure
Diffraction
Isotherms
Metal organic frameworks
2025-MAR-WEEK4
TOC-MAR-2025
2025
Issue Date: Mar-2025
Publisher: American Chemical Society
Citation: Chemistry of Materials
Abstract: We report a zinc-diaminotriazolato-oxalate metal–organic framework (IISERP-MOF36, 1) inspired by the exceptional CO2 selectivity demonstrated by its triazolate analogue, CALF-20. Unlike the CALF-20 family, 1 adopts a nonlayered, pillared structure, despite their similar composition. The 1D ultramicroporous channels in this MOF enhance strong interactions with the carbon dioxide CO2. Additionally, the t-shaped orientation of CO2 molecules within the pores promotes cooperative CO2–CO2 interactions, resulting in superior low-pressure CO2 uptake compared to that of CALF-20. This suggests that 1 has potential as a sorbent in applications such as the natural gas combined cycle or direct air capture. However, despite its structural and compositional similarities to CALF-20, 1 exhibits reduced hydrophobicity due to subtle differences in the pore environment. These findings open possibilities for designing advanced sorbents combining the best characteristics of both of these MOFs.
URI: https://doi.org/10.1021/acs.chemmater.4c03231
http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/9427
ISSN: 0897-4756
1520-5002
Appears in Collections:JOURNAL ARTICLES

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