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Selective O2 sorption at ambient temperatures via node distortions in Sc-MIL-100

Journal Article · · Chemistry of Materials
 [1];  [2];  [1];  [1];  [1];  [1]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)

In this study, oxygen selectivity in metal-organic frameworks (MOFs) at exceptionally high temperatures originally predicted by Density Functional Theory (DFT) and Grand Canonical Monte Carlo (GCMC) modeling is now confirmed by synthesis, sorption metal center access, in particular Sc and Fe. Based on DFT M-O2 binding energies, we chose the large pored MIL-100 framework for metal center access, in particular Sc and Fe. Both resulted in preferential O2 and N2 gas uptake at temperatures ranging from 77 K to ambient temperatures (258 K, 298 K and 313 K).

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1247636
Alternate ID(s):
OSTI ID: 1390816
Report Number(s):
SAND--2016-0178J; 618321
Journal Information:
Chemistry of Materials, Journal Name: Chemistry of Materials Journal Issue: 10 Vol. 28; ISSN 0897-4756
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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