A Water Soluble Cobalt(II) Complex with 1,10‑Phenanthroline, a Catalyst for Visible‑Light‑Driven Reduction of CO2 to CO with High Selectivity

Catalysts tested in this study

Co(phen)2(CN)2

Photosensitizer

[Ru(phen)3](PF6)2

Investigation

	cat	cat conc [µM]	PS	PS conc [mM]	e-D	e-D conc [M]	solvent A	.	.	.	λexc [nm]	.	TON CO	.
1.	Co(phen)2(CN)2	0	[Ru(phen)3](PF6)2	0.40	TEOA	0.4	MeCN				469		0
2.	Co(phen)2(CN)2	2.5	[Ru(phen)3](PF6)2	0.40	TEOA	0.4	MeCN				469		1130
3.	Co(phen)2(CN)2	5	[Ru(phen)3](PF6)2	0.40	TEOA	0.4	MeCN				469		730
4.	Co(phen)2(CN)2	25	[Ru(phen)3](PF6)2	0.40	TEOA	0.4	MeCN				469		154
5.	Co(phen)2(CN)2	2.5	[Ru(phen)3](PF6)2	0.40	TEOA	0.4	MeCN						0
6.	Co(phen)2(CN)2	0	[Ru(phen)3](PF6)2	0.40	TEOA	0.4	MeCN				469		0
7.	Co(phen)2(CN)2	2.5	[Ru(phen)3](PF6)2	0.40	TEOA	0.4	MeCN				469		0
8.	Co(phen)2(CN)2	2.5	[Ru(phen)3](PF6)2	0.40			MeCN				469		0
9.	Co(phen)2(CN)2	2.5	[Ru(phen)3](PF6)2	0.40	TEOA	0.4	MeCN				469		720
10.	Co(phen)2(CN)2	2.5			TEOA	0.4	MeCN				469		0

Investigation-Name: Table 1ExportRefresh

Further Information

Sacrificial electron donor

In this study, the experiments were done with the sacrificial electron donor TEOA.

Additives

photocatalytic CO2 reduction, cobalt phenanthroline catalyst, ruthenium polypyridyl photosensitizer, homogeneous catalysis, triethanolamine sacrificial donor, acetonitrile solvent, visible light irradiation, turnover number, transition metal complexes, organometallic chemistry, phenanthroline ligands, cyanide ligands