Toward Visible-Light Photochemical CO2‑to-CH4 Conversion in Aqueous Solutions Using Sensitized Molecular Catalysis/Cyclic voltammetry in various conditions

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analyte anl conc [mM] reduction potential oxidation potential solvent solvent vol [ml] electrolyte electrolyte purity el conc [M] int ref comp scan rate [mv s-1] scan number potential window scan dir gas T [° C] condition [nm] WE WE surface area [mm²] CE RE Details include

[Ir(ppy)2(bpy)][PF6]

0.5

MeCN

TBAPF6

0.1


100 argon glassy carbon 7.07 platinum SCE Yes

[Ir(ppy)2(bpy)][PF6]

0.5

MeCN

TBAPF6

0.1


100 CO dark glassy carbon 7.07 platinum SCE Yes

[Ir(ppy)2(bpy)][PF6]

0.5

MeCN

TBAPF6

0.1


100 CO irr. >420, 60 min glassy carbon 7.07 platinum SCE Yes

[Ir(ppy)2(bpy)][PF6]

0.5

MeCN

TBAPF6

0.1


100 CO TEA (0.05 mM), irr. >420 nm, 1 min glassy carbon 7.07 platinum SCE Yes

[Ir(ppy)2(bpy)][PF6]

0.5

MeCN

TBAPF6

0.1


100 CO TEA (0.05 mM), irr. >420 nm, 60 min glassy carbon 7.07 platinum SCE Yes

The results show an increase in current when the solution is irradiated and triethylamine (TEA) is added (see condition column).