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

Tags: 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