A perfluorinated covalent triazine-based framework for highly selective and water–tolerant CO2 capture

Y. Zhao, K. X. Yao, B. Teng, T. Zhang, Y. Han*
Energy Environ. Sci., 2013, 6, 3684-3692. DOI: 10.1039/C3EE42548G

Notes & Highlights:

• FCTF-1 has one of the highest physisorptive (Q⁰_{st, FCTF-1} = 35 kj/mol) CO₂ capacities ever recorded: 5.53 mmol/g at 273 K and 1 bar (1.76 at 0.1)
• CO₂/N₂ selectivity increased when mixed gas measured compared to pure gas calculations. This verifies a 2011 observation by Guiver et al.
• Moisture (0.03 bar, % 100 RH) lowered CO₂ uptake 12 % at 298 K.

Polymer nanosieve membranes for CO2-capture applications

N. Du, H. B. Park, G. P. Robertson, M. M. Dal-Cin, T. Visser, L. Scoles, M. D. Guiver*
Nature Mater., 2011, 10,  372-375 DOI: 10.1038/NMAT2989

Notes & Highlights:

• TZPIM-1 is one of the few membranes that broke the Robeson plot for CO2/N2 selectivity.
• Guiver also proved calculations from single gas isotherms show lesser selectivity than actual mixed gas measurements.

Functional Materials: From Hard to Soft Porous Frameworks

Arne Thomas*
Angew. Chem. Int. Ed., 2010, 49, 8328 – 8344 DOI: 10.1002/anie.201000167

Notes & Highlights:

• One of the rare reviews that captures the contrast between hard (mostly inorganic) and soft (organic) framework structures.
• All materials have function, there is no such thing as "functional" material.