2021
DOI: 10.1021/acscatal.1c03634
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Photoredox Heterobimetallic Dual Catalysis Using Engineered Covalent Organic Frameworks

Abstract: The functionalization of an imine-based layered covalent organic framework (COF), containing phenanthroline units as ligands, has allowed the obtention of a heterobimetallated material. Photoactive Ir and Ni fragments were immobilized within the porous structure of the COF, enabling heterogeneous light-mediated Csp 3 –Csp 2 cross-couplings. As radical precursors, potassium benzyl- and alkoxy-trifluoroborates, organic silicates, and proline derivatives were employed… Show more

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Cited by 75 publications
(73 citation statements)
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“…Then, we proceeded to the synthesis of Phen‐COF under the optimized solvothermal conditions (see optimization in the Supporting Information) by the combination of 1 and TAPB ( Scheme ), obtaining a layered bidimensional material. [ 33 ]…”
Section: Resultsmentioning
confidence: 99%
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“…Then, we proceeded to the synthesis of Phen‐COF under the optimized solvothermal conditions (see optimization in the Supporting Information) by the combination of 1 and TAPB ( Scheme ), obtaining a layered bidimensional material. [ 33 ]…”
Section: Resultsmentioning
confidence: 99%
“…Consistently, these two additional peaks of our experimental PXRD matched with the peaks corresponding to the (110) and (200) planes, respectively, in the eclipsed pattern simulated from the COF model. [ 33 ] Regarding N 2 adsorption/desorption isotherms, Pd@Phen‐COF presents also moderated porosity. A slight decrease in Brunauer–Emmett–Teller surface area ( S BET ) in comparison with pristine Phen‐COF was observed, from 482 to 447 m 2 g −1 (Figure 2b).…”
Section: Resultsmentioning
confidence: 99%
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“…Considering these precedents, and taking into account the challenges ahead, this work offers a different possible solution for solvent-free photocatalytic processes. Based on our previous experience on photocatalytic materials [37][38][39][40], we designed a solid thin transparent photoactive film containing PTH units assembled through polymerization via imine formation. The obtained plastic material could be used as photocatalytic membrane to transform liquid substrates without the need for mechanical activation, allowing the easy recycling and separation of the catalyst and achieving high yields.…”
Section: Introductionmentioning
confidence: 99%