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Issue 4, 2014
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Integration of accessible secondary metal sites into MOFs for H2S removal

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Abstract

2,2′-Bipyridine-5,5′-dicarboxylic acid (H2bipy) was used for the synthesis of a zirconium based metal–organic framework with the aim to integrate an additional N-donor coordination functionality into the framework. The resulting MOF (UiO-67(bipy)) with a structure isoreticular to UiO-67 (UiO – University of Oslo) has a BET surface area up to 2500 m2 g−1. The chelating bipyridine moiety was used for postsynthetic functionalization of the MOF with different metal salts (MIIXy; M = Cu2+, Ni2+, Co2+; X = Cl, NO3, SO42−, acac2−) to give the corresponding metal_salt@UiO-67(bipy) materials. Due to the highly dispersed metal ions, metal_salt@UiO-67(bipy) shows good performance in toxic hydrogen sulfide capture. Especially, the copper loaded samples have high capacities of up to 7.8 wt%.

Graphical abstract: Integration of accessible secondary metal sites into MOFs for H2S removal

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Publication details

The article was received on 29 Nov 2013, accepted on 03 Feb 2014 and first published on 07 Mar 2014


Article type: Paper
DOI: 10.1039/C3QI00093A
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Inorg. Chem. Front., 2014,1, 325-330

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    Integration of accessible secondary metal sites into MOFs for H2S removal

    G. Nickerl, M. Leistner, S. Helten, V. Bon, I. Senkovska and S. Kaskel, Inorg. Chem. Front., 2014, 1, 325
    DOI: 10.1039/C3QI00093A

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