Extremely Hydrophobic POPs to Access Highly Porous Storage Media and Capturing Agent for Organic Vapors

Jiangtao Jia, Zhijie Chen, Hao Jiang, Youssef Belmabkhout, Georges Mouchaham, Himanshu Aggarwal, Karim Adil, Edy Abou-Hamad, Justyna Czaban-Jozwiak, Mohammed Tchalala, Mohamed Eddaoudi

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Porous organic polymers (POPs) with high surface areas (especially more than 5,000 m2 g−1) are still quite rare. In this work, we implemented the molecular-building-block strategy to isolate three POPs, namely KPOP-1, KPOP-2, and KPOP-3 (KPOP = KAUST's POP), and hypothetically predicted the structures of the three KPOPs. KPOP-1 and KPOP-2 exhibit high specific BET surface areas (ca. 5,120 and 5,730 m2 g−1) and display outstanding gravimetric methane storage properties. Remarkably, the methane uptake of KPOP-2 at 298 K and 80 bar is 0.515 g g−1, surpassing the gravimetric 2012 Department of Energy target for onboard CH4 storage, and KPOP-2 shows the exclusive potential for stationary CH4 storage. Interestingly, KPOP-1 and KPOP-2 show extremely hydrophobic behavior combined with high organic vapor uptakes, a desirable feature enabling effective capturing of volatile organic compounds at room temperature.
Original languageEnglish (US)
Pages (from-to)180-191
Number of pages12
JournalChem
Volume5
Issue number1
DOIs
StatePublished - Nov 1 2018

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