Tailoring open metal sites for selective capture of CO2 in isostructural metalloporphyrin porous organic networks

Hwa Seob Choi; Hyung Joon Jeon; Jung Hoon Choi; Gyu-Heon Lee; Jeung Ku Kang

doi:10.1039/C5NR05696A

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Tailoring open metal sites for selective capture of CO₂ in isostructural metalloporphyrin porous organic networks†

Hwa Seob Choi,^a Hyung Joon Jeon,^b Jung Hoon Choi,^b Gyu-Heon Lee^b and Jeung Ku Kang*^ab

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* Corresponding authors

^a Graduated School of EEWS, Korea Advanced Institute of Science and Technology, 373-1 Guseong Dong, Yuseong Gu, Daejeon 305-701, Republic of Korea
E-mail: jeungku@kaist.ac.kr
Fax: +82-42-350-3338

^b Department of Materials Science, Korea Advanced Institute of Science and Technology, 373-1 Guseong Dong, Yuseong Gu, Daejeon 305-701, Republic of Korea

Abstract

Porphyrin-based isostructural porous organic networks have been synthesized by varying the central metal atoms to cobalt, nickel and copper. Their selectivities for CO₂ capture over N₂ and Ar are found to be enhanced as the heats of adsorption for CO₂ are increased in the order of Co, Ni and Cu, while the pore structures are well maintained.

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Article information

DOI: https://doi.org/10.1039/C5NR05696A
Article type: Communication
Submitted: 21 Aug 2015
Accepted: 20 Oct 2015
First published: 22 Oct 2015

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Nanoscale, 2015,7, 18923-18927

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Tailoring open metal sites for selective capture of CO₂ in isostructural metalloporphyrin porous organic networks

H. S. Choi, H. J. Jeon, J. H. Choi, G. Lee and J. K. Kang, Nanoscale, 2015, 7, 18923 DOI: 10.1039/C5NR05696A

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