title: Robust C-C bonded porous networks with chemically designed functionalities for improved CO2capture from flue gas.
abstract: Effective carbon dioxide (CO2) capture requires solid, porous sorbents with chemically and thermally stable frameworks. Herein, we report two new carbon-carbon bonded porous networks that were synthesized through metal-free Knoevenagel nitrile-aldol condensation, namely the covalent organic polymer, COP-156 and 157. COP-156, due to high specific surface area (650 m2/g) and easily interchangeable nitrile groups, was modified post-synthetically into free amine- or amidoxime-containing networks. The modified COP-156-amine showed fast and increased CO2uptake under simulated moist flue gas conditions compared to the starting network and usual industrial CO2solvents, reaching up to 7.8 wt % uptake at 40 °C.
authors.affiliation: Graduate School of Energy, Environment, Water, Sustainability (EEWS), Korea Advanced Institute of Science and Technology (KAIST), Guseong Dong, Yuseong Gu, Daejeon 305-701, Korea.
authors.forename: Damien
authors.initials: D
authors.lastname: Thirion
authors.affiliation: Graduate School of Energy, Environment, Water, Sustainability (EEWS), Korea Advanced Institute of Science and Technology (KAIST), Guseong Dong, Yuseong Gu, Daejeon 305-701, Korea.
authors.forename: Joo S
authors.initials: JS
authors.lastname: Lee
authors.affiliation: Graduate School of Energy, Environment, Water, Sustainability (EEWS), Korea Advanced Institute of Science and Technology (KAIST), Guseong Dong, Yuseong Gu, Daejeon 305-701, Korea.
authors.forename: Ercan
authors.initials: E
authors.lastname: Özdemir
authors.affiliation: Graduate School of Energy, Environment, Water, Sustainability (EEWS), Korea Advanced Institute of Science and Technology (KAIST), Guseong Dong, Yuseong Gu, Daejeon 305-701, Korea; Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Guseong Dong, Yuseong Gu, Daejeon 305-701, Korea.
authors.forename: Cafer T
authors.initials: CT
authors.lastname: Yavuz
keywords: CO2 capture; C–C bond; microporous materials; porous polymers; postmodification