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

Investigation

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

Investigation-Name: Table 1

Catalyst

Mn(bpy)(CO)3Br (100752)

Photosensitizer

ZnTPP (100754)

Sacrificial electron donor

TEA (100505)