Visible light driven reduction of CO2 catalyzed by an abundant manganese catalyst with zinc porphyrin photosensitizer

Catalyst

Mn(bpy)(CO)3Br

Photosensitizer

ZnTPP

Investigation

	cat	cat conc [µM]	PS	PS conc [mM]	e-D	e-D conc [M]	solvent A	.	.	λexc [nm]	.	TON CO	TON HCOOH	.
1.	Mn(bpy)(CO)3Br	2	ZnTPP	0.5	TEA	0.1	MeCN			xenon lamp		119	19
2.	Mn(bpy)(CO)3Br	1.5	ZnTPP	0.5	TEA	0.1	MeCN			xenon lamp		97	18
3.	Mn(bpy)(CO)3Br	0.5	ZnTPP	0.25	TEA	0.1	MeCN			xenon lamp		64	16
4.	Mn(bpy)(CO)3Br	0.5	ZnTPP	0.5	TEA	0.1	MeCN			xenon lamp		12	10
5.	Mn(bpy)(CO)3Br	0.5	ZnTPP	1	TEA	0.1	MeCN			xenon lamp		8	6
6.	Mn(bpy)(CO)3Br	0.5			TEA	0.1	MeCN			xenon lamp		2	1
7.			ZnTPP	0.5	TEA	0.1	MeCN			xenon lamp

Investigation-Name: Table 1Export

Sacrificial electron donor

TEA