Title
Robust Ultramicroporous Metal–Organic Frameworks with Benchmark Affinity for Acetylene
Document Type
Article
Publication Date
2018
Keywords
acetylene, gas separation, hydrolytic stability, metal–organic frameworks, ultramicroporous materials
Digital Object Identifier (DOI)
https://doi.org/10.1002/anie.201806732
Abstract
Highly selective separation and/or purification of acetylene from various gas mixtures is a relevant and difficult challenge that currently requires costly and energy-intensive chemisorption processes. Two ultramicroporous metal–organic framework physisorbents, NKMOF-1-M (M=Cu or Ni), offer high hydrolytic stability and benchmark selectivity towards acetylene versus several gases at ambient temperature. The performance of NKMOF-1-M is attributed to their exceptional acetylene binding affinity as revealed by modelling and several experimental studies: in situ single-crystal X-ray diffraction, FTIR, and gas mixture breakthrough tests. NKMOF-1-M exhibit better low-pressure uptake than existing physisorbents and possesses the highest selectivities yet reported for C2H2/CO2 and C2H2/CH4. The performance of NKMOF-1-M is not driven by the same mechanism as current benchmark physisorbents that rely on pore walls lined by inorganic anions.
Was this content written or created while at USF?
Yes
Citation / Publisher Attribution
Angewandte Chemie International Edition, v. 57, issue 34, p. 10971-10975
Scholar Commons Citation
Peng, Yun-Lei; Pham, Tony; Li, Pengfei; Wang, Ting; Chen, Yao; Chen, Kai-Jie; Forrest, Katherine A.; Space, Brian; Cheng, Peng; Zaworotko, Michael J.; and Zhang, Zhenjie, "Robust Ultramicroporous Metal–Organic Frameworks with Benchmark Affinity for Acetylene" (2018). Chemistry Faculty Publications. 147.
https://digitalcommons.usf.edu/chm_facpub/147