New Photosensitizers Based on Heteroleptic Cu(I) Complexes and CO2 Photocatalytic Reduction with (Ni(II)(cyclam))Cl2

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DOI 10.1002/chem.202001279
Authors Lisa‐Lou Gracia, Luisa Luci, Cecilia Bruschi, Letizia Sambri, Patrick Weis, Olaf Fuhr, Claudia Bizzarri,
Submitted 16.07.2020
Published online 16.07.2020
Licenses http://creativecommons.org/licenses/by-nc/4.0/,
Subjects General Chemistry, Catalysis, Organic Chemistry
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Abstract

Summary

Advances and special progress

Additional remarks

Content of the published article in detail

Catalysts

Ni(cyclam)Cl2 (100812)

Photosensitizers

(100906) (100907) (100908) (100909)

Investigations

catcat conc [µM]PSPS conc [mM]e-De-D conc [M]solvent A....λexc [nm].TON CO..
(edit)1.Ni(cyclam)Cl20.1Molecule:100906 1BIH0.02MeCN420 nm (4 x 8 W)4.3
(edit)2.Ni(cyclam)Cl20.1Molecule:100907 1BIH0.02MeCN420 nm (4 x 8 W)4.9
(edit)3.Ni(cyclam)Cl20.1Molecule:100908 1BIH0.02MeCN420 nm (4 x 8 W)8.1
(edit)4.Ni(cyclam)Cl20.1Molecule:100909 1BIH0.02MeCN420 nm (4 x 8 W)4.6
(edit)5.Ni(cyclam)Cl20.1Molecule:100906 1BIH0.01MeCN420 nm (4 x 8 W)2.6
(edit)6.Ni(cyclam)Cl20.1Molecule:100907 1BIH0.01MeCN420 nm (4 x 8 W)3.5
(edit)7.Ni(cyclam)Cl20.1Molecule:100908 1BIH0.01MeCN420 nm (4 x 8 W)5.0
(edit)8.Ni(cyclam)Cl20.1Molecule:100909 1BIH0.01MeCN420 nm (4 x 8 W)1.8
(edit)9.Ni(cyclam)Cl20.1Molecule:100906 1BIH0.01MeCN420 nm (4 x 8 W)2.8
(edit)10.Molecule:100908 1BIH0.01MeCN420 nm (4 x 8 W)
(edit)11.Ni(cyclam)Cl20.1Molecule:100908 1BIH0.01MeCN420 nm (4 x 8 W)
(edit)12.Ni(cyclam)Cl20.1Molecule:100908 1MeCN420 nm (4 x 8 W)
(edit)13.Ni(cyclam)Cl20.1Molecule:100908 1BIH0.01MeCN420 nm (4 x 8 W)
(edit)14.Ni(cyclam)Cl20.1BIH0.01MeCN420 nm (4 x 8 W)
(edit)15.Ni(cyclam)Cl20.1Molecule:100906 1BIH0.01MeCNdark
(edit)16.[Cu(ACN)4][BF4]0.1Molecule:100906 1BIH0.01MeCN420 nm (4 x 8 W)
(edit)17.Ni(cyclam)Cl20.1Molecule:100906 1BIH0.02MeCN420 nm (4 x 8 W)7.3
(edit)18.Ni(cyclam)Cl20.1Molecule:100907 1BIH0.02MeCN420 nm (4 x 8 W)6.5

Investigation-Name: Photocatalytic CO2 reduction and control experiments

Sacrificial Electron Donor

In this study, the experiments were done with the sacrificial electron donor BIH (100508).

Additives

In this study, N(Me)3 (100910) was used as a proton donor instead of TEOA (100507) for one experiment. [Cu(ACN)4][BF4] (100911) was used as a catalyst for a control experiment.

Investigations