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Title: Hyper-Cross-linked Porous Organic Frameworks with Ultramicropores for Selective Xenon Capture

Abstract

Exceptionally stable ultra-microporous C-C bonded porous organic framework (IISERP-POF6, 7, 8) have been prepared using simple Friedel-Crafts reaction. These polymers exhibit permanent porosity with a BET surface area of 645-800 m2/g. Xe/Kr adsorptive separation has been carried out with these polymers and they display selective Xe capture (s(Xe/Kr)) = 6.7, 6.32, 6.33) at 298K and 1 bar pressure. Interestingly, these polymers also show remarkable Xe/N2 (s(Xe/N2)) = 200, 180, 160 at 298K and 1 bar) and Xe/CO2 selectivity (s(Xe/CO2)) = 5.63, 7.4, 5.62) for a 1:99 composition of Xe:N2/Xe:CO2. Selective removal of Xe at such low concentrations is extremely challenging; the observed selectivities are higher compared to those observed in porous carbons and MOFs. Breakthrough studies were performed using the composition relevant to nuclear off-gas mixture with the polymers and we find that the polymers hold Xe for a longer time in the column which illustrates the Xe/Kr separation performance under dynamic condition.

Authors:
 [1];  [1]; ORCiD logo [2];  [3];  [4]; ORCiD logo [2];  [1]
  1. Indian Institute of Science Education and Research
  2. BATTELLE (PACIFIC NW LAB)
  3. UNIVERSITY PROGRAMS
  4. IISER
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1530599
Report Number(s):
PNNL-SA-140970
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
ACS Applied Materials & Interfaces
Additional Journal Information:
Journal Volume: 11; Journal Issue: 14
Country of Publication:
United States
Language:
English
Subject:
Polymers, Xenon, Adsorption, separation

Citation Formats

Chakraborty, Debanjan, Nandi, Shyamapada, Sinnwell, Michael A., Liu, Jian, Kushwaha, Rinku, Thallapally, Praveen K., and Vaidhyanathan, Ramanathan. Hyper-Cross-linked Porous Organic Frameworks with Ultramicropores for Selective Xenon Capture. United States: N. p., 2019. Web. doi:10.1021/acsami.9b01619.
Chakraborty, Debanjan, Nandi, Shyamapada, Sinnwell, Michael A., Liu, Jian, Kushwaha, Rinku, Thallapally, Praveen K., & Vaidhyanathan, Ramanathan. Hyper-Cross-linked Porous Organic Frameworks with Ultramicropores for Selective Xenon Capture. United States. doi:10.1021/acsami.9b01619.
Chakraborty, Debanjan, Nandi, Shyamapada, Sinnwell, Michael A., Liu, Jian, Kushwaha, Rinku, Thallapally, Praveen K., and Vaidhyanathan, Ramanathan. Wed . "Hyper-Cross-linked Porous Organic Frameworks with Ultramicropores for Selective Xenon Capture". United States. doi:10.1021/acsami.9b01619.
@article{osti_1530599,
title = {Hyper-Cross-linked Porous Organic Frameworks with Ultramicropores for Selective Xenon Capture},
author = {Chakraborty, Debanjan and Nandi, Shyamapada and Sinnwell, Michael A. and Liu, Jian and Kushwaha, Rinku and Thallapally, Praveen K. and Vaidhyanathan, Ramanathan},
abstractNote = {Exceptionally stable ultra-microporous C-C bonded porous organic framework (IISERP-POF6, 7, 8) have been prepared using simple Friedel-Crafts reaction. These polymers exhibit permanent porosity with a BET surface area of 645-800 m2/g. Xe/Kr adsorptive separation has been carried out with these polymers and they display selective Xe capture (s(Xe/Kr)) = 6.7, 6.32, 6.33) at 298K and 1 bar pressure. Interestingly, these polymers also show remarkable Xe/N2 (s(Xe/N2)) = 200, 180, 160 at 298K and 1 bar) and Xe/CO2 selectivity (s(Xe/CO2)) = 5.63, 7.4, 5.62) for a 1:99 composition of Xe:N2/Xe:CO2. Selective removal of Xe at such low concentrations is extremely challenging; the observed selectivities are higher compared to those observed in porous carbons and MOFs. Breakthrough studies were performed using the composition relevant to nuclear off-gas mixture with the polymers and we find that the polymers hold Xe for a longer time in the column which illustrates the Xe/Kr separation performance under dynamic condition.},
doi = {10.1021/acsami.9b01619},
journal = {ACS Applied Materials & Interfaces},
number = 14,
volume = 11,
place = {United States},
year = {2019},
month = {4}
}