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Elucidating the promotional effect of a covalent triazine framework in aerobic oxidation

Sara Abednatanzi, Parviz Gohari Derakhshandeh (UGent) , Pieter Tack (UGent) , Francesco Muniz Miranda (UGent) , Ying-Ya Liu, Jonas Everaert (UGent) , Maria Meledina, Flore Vanden Bussche, Laszlo Vincze (UGent) , Christian Stevens (UGent) , et al.
(2020) APPLIED CATALYSIS B-ENVIRONMENTAL. 269.
Author
Organization
Abstract
Synergistic catalysis holds great promise to enhance the catalytic performance of heterogeneous catalysts suffering from sluggish reaction kinetics. Much effort has been dedicated to the development of bimetallic systems in which the two promoter elements display synergistic benefits compared to monometallic counterparts. However, the use of bimetallic catalysts inescapably raises the cost of preparation and environmental issues. This study discovers a synergistic effect when using a bipyridine covalent triazine framework (bipy-CTF) as support for an Ir-III complex in the aerobic oxidation reaction. The detailed mechanistic study provides insights into the function of the bipy-CTF in this synergistic catalysis. The EPR and in-situ XANES analyses confirm the applicability of bipy-CTF to activate oxygen and alcohol, resulting in an enhancement of the performance of the Ir-III complex to exceed the activity of the homogeneous counterpart. This is an unprecedented report on promoting the activity of a heterogeneous catalyst through its solid support.
Keywords
Covalent triazine frameworks, Heterogeneous catalysis, Synergistic effect, Oxygen activation, Mechanistic studies, ALCOHOL OXIDATION, LIQUID-PHASE, CATALYSTS, TEMPERATURE, DEHYDROGENATION, IRIDIUM(III), COMPLEXES, OXYGEN, GREEN

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MLA
Abednatanzi, Sara, et al. “Elucidating the Promotional Effect of a Covalent Triazine Framework in Aerobic Oxidation.” APPLIED CATALYSIS B-ENVIRONMENTAL, vol. 269, 2020, doi:10.1016/j.apcatb.2020.118769.
APA
Abednatanzi, S., Gohari Derakhshandeh, P., Tack, P., Muniz Miranda, F., Liu, Y.-Y., Everaert, J., … Van Der Voort, P. (2020). Elucidating the promotional effect of a covalent triazine framework in aerobic oxidation. APPLIED CATALYSIS B-ENVIRONMENTAL, 269. https://doi.org/10.1016/j.apcatb.2020.118769
Chicago author-date
Abednatanzi, Sara, Parviz Gohari Derakhshandeh, Pieter Tack, Francesco Muniz Miranda, Ying-Ya Liu, Jonas Everaert, Maria Meledina, et al. 2020. “Elucidating the Promotional Effect of a Covalent Triazine Framework in Aerobic Oxidation.” APPLIED CATALYSIS B-ENVIRONMENTAL 269. https://doi.org/10.1016/j.apcatb.2020.118769.
Chicago author-date (all authors)
Abednatanzi, Sara, Parviz Gohari Derakhshandeh, Pieter Tack, Francesco Muniz Miranda, Ying-Ya Liu, Jonas Everaert, Maria Meledina, Flore Vanden Bussche, Laszlo Vincze, Christian Stevens, Veronique Van Speybroeck, Henk Vrielinck, Freddy Callens, Karen Leus, and Pascal Van Der Voort. 2020. “Elucidating the Promotional Effect of a Covalent Triazine Framework in Aerobic Oxidation.” APPLIED CATALYSIS B-ENVIRONMENTAL 269. doi:10.1016/j.apcatb.2020.118769.
Vancouver
1.
Abednatanzi S, Gohari Derakhshandeh P, Tack P, Muniz Miranda F, Liu Y-Y, Everaert J, et al. Elucidating the promotional effect of a covalent triazine framework in aerobic oxidation. APPLIED CATALYSIS B-ENVIRONMENTAL. 2020;269.
IEEE
[1]
S. Abednatanzi et al., “Elucidating the promotional effect of a covalent triazine framework in aerobic oxidation,” APPLIED CATALYSIS B-ENVIRONMENTAL, vol. 269, 2020.
@article{8650395,
  abstract     = {{Synergistic catalysis holds great promise to enhance the catalytic performance of heterogeneous catalysts suffering from sluggish reaction kinetics. Much effort has been dedicated to the development of bimetallic systems in which the two promoter elements display synergistic benefits compared to monometallic counterparts. However, the use of bimetallic catalysts inescapably raises the cost of preparation and environmental issues. This study discovers a synergistic effect when using a bipyridine covalent triazine framework (bipy-CTF) as support for an Ir-III complex in the aerobic oxidation reaction. The detailed mechanistic study provides insights into the function of the bipy-CTF in this synergistic catalysis. The EPR and in-situ XANES analyses confirm the applicability of bipy-CTF to activate oxygen and alcohol, resulting in an enhancement of the performance of the Ir-III complex to exceed the activity of the homogeneous counterpart. This is an unprecedented report on promoting the activity of a heterogeneous catalyst through its solid support.}},
  articleno    = {{118769}},
  author       = {{Abednatanzi, Sara and Gohari Derakhshandeh, Parviz and Tack, Pieter and Muniz Miranda, Francesco and Liu, Ying-Ya and Everaert, Jonas and Meledina, Maria and Vanden Bussche, Flore and Vincze, Laszlo and Stevens, Christian and Van Speybroeck, Veronique and Vrielinck, Henk and Callens, Freddy and Leus, Karen and Van Der Voort, Pascal}},
  issn         = {{0926-3373}},
  journal      = {{APPLIED CATALYSIS B-ENVIRONMENTAL}},
  keywords     = {{Covalent triazine frameworks,Heterogeneous catalysis,Synergistic effect,Oxygen activation,Mechanistic studies,ALCOHOL OXIDATION,LIQUID-PHASE,CATALYSTS,TEMPERATURE,DEHYDROGENATION,IRIDIUM(III),COMPLEXES,OXYGEN,GREEN}},
  language     = {{eng}},
  pages        = {{9}},
  title        = {{Elucidating the promotional effect of a covalent triazine framework in aerobic oxidation}},
  url          = {{http://doi.org/10.1016/j.apcatb.2020.118769}},
  volume       = {{269}},
  year         = {{2020}},
}
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