Effect of proton donor

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< An integrated Re(I) photocatalyst and sensitizer that activates the formation of formic acid from reduction of CO2
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investigation
Molecular process, Photocatalytic CO2 conversion experiments
cat cat conc [µM] PS PS conc [mM] e-D e-D conc [M] H-D H-D conc [M] solvent A solvent B solvent C solv A/B/C additives additives conc [M] feedstock gas feedstock volume intensity pH T [°C] λexc [nm] t [h] TON CO TOF CO Φ CO [%] TON CH4 TOF CH4 Φ CH4 [%] TON H2 TOF H2 Φ H2 [%] TON HCOOH TOF HCOOH Φ HCOOH [%] TON MeOH TOF MeOH Φ MeOH [%] selectivity [%] [CO;CH4;H2;HCOOH;MeOH] Φ all [%] Details include

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEOA


DMF

TEOA


4:1 water 405 nm 24 4.25 25 0%; 0%; 14.5%; 85.5%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEOA


DMF

TEOA


4:1 water 405 nm 24 5.75 25.75 0%; 0%; 18.3%; 81.7%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEOA


DMF

TEOA


4:1 phenol 405 nm 24 5.25 27 0%; 0%; 16.3%; 83.7%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEOA


DMF

TEOA


4:1 phenol 405 nm 24 5.75 19 0%; 0%; 23.2%; 76.8%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEA


DMF

TEA


4:1 water 405 nm 24 2 12.5 0%; 0%; 13.8%; 86.2%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEA


DMF

TEA


4:1 water 405 nm 24 2.75 14.5 0%; 0%; 15.9%; 84.1%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEA


DMF

TEA


4:1 phenol 405 nm 24 1 10.25 0%; 0%; 8.9%; 91.1%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEA


DMF

TEA


4:1 phenol 405 nm 24 16.25 11.25 0%; 0%; 59.1%; 40.9%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEOA


DMA

TEOA


4:1 water 405 nm 24 3.25 20.5 0%; 0%; 13.7%; 86.3%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEOA


DMA

TEOA


4:1 water 405 nm 24 3.5 24 0%; 0%; 12.7%; 87.3%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEOA


DMA

TEOA


4:1 phenol 405 nm 24 7.75 30 0%; 0%; 20.5%; 79.5%; 0%


No

[Re(bpy)2(CO)2][OTf]

[Ru(bpy)3][PF6]

TEOA


DMA

TEOA


4:1 phenol 405 nm 24 9 34.75 0%; 0%; 20.6%; 79.4%; 0%


No