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

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{{Cyclic Voltammetry experiments
{{Cyclic Voltammetry experiments
|experiments={{Cyclic Voltammetry
|experiments={{Cyclic Voltammetry
|anl=Molecule:100670
|anl=Molecule:100784
|anl conc=0.5
|anl conc=0.5
|redox potential=-2.0 ,  -1.4  ;
|e0=1.1
|solv=Molecule:100530
|solv=Molecule:100530
|electrolyte=TBA(PF6)
|electrolyte=Molecule:100966
|el conc=0.1
|el conc=0.1
|scan rate=100
|scan rate=100
|gas=argon
|gas=Argon
|WE=glassy carbon
|WE=glassy carbon
|WE area=7.07
|CE=platinum
|CE=platinum
|RE=SCE
|RE=SCE
|WE area=7.07
|include=Yes
|include=Yes
}}{{Cyclic Voltammetry
}}{{Cyclic Voltammetry
|anl=Molecule:100670
|anl=Molecule:100784
|anl conc=0.5
|anl conc=0.5
|redox potential=-2.0, -1.4 ;
|solv=Molecule:100530
|solv=Molecule:100530
|electrolyte=TBA(PF6)
|electrolyte=Molecule:100966
|el conc=0.1
|el conc=0.1
|scan rate=100
|scan rate=100
Line 23: Line 26:
|cond=dark
|cond=dark
|WE=glassy carbon
|WE=glassy carbon
|WE area=7.07
|CE=platinum
|CE=platinum
|RE=SCE
|RE=SCE
|include=Yes
|WE area=7.07
|include=No
}}{{Cyclic Voltammetry
}}{{Cyclic Voltammetry
|anl=Molecule:100670
|anl=Molecule:100784
|anl conc=0.5
|anl conc=0.5
|redox potential=-2.0, -1.4 ;
|solv=Molecule:100530
|solv=Molecule:100530
|electrolyte=TBA(PF6)
|electrolyte=Molecule:100966
|el conc=0.1
|el conc=0.1
|scan rate=100
|scan rate=100
|gas=CO
|gas=CO
|cond=420, 60 min
|cond=irr. >420, 60 min
|WE=glassy carbon
|WE=glassy carbon
|WE area=7.07
|CE=platinum
|CE=platinum
|RE=SCE
|RE=SCE
|include=Yes
|WE area=7.07
|include=No
}}{{Cyclic Voltammetry
}}{{Cyclic Voltammetry
|anl=Molecule:100670
|anl=Molecule:100784
|anl conc=0.5
|anl conc=0.5
|redox potential=-2.0, -1.4 ;
|solv=Molecule:100530
|solv=Molecule:100530
|electrolyte=TBA(PF6)
|electrolyte=Molecule:100966
|el conc=0.1
|el conc=0.1
|scan rate=100
|scan rate=100
|gas=CO
|gas=CO
|cond=420, 1 min
|cond=TEA (0.05 mM), irr. >420 nm, 1 min
|WE=glassy carbon
|WE=glassy carbon
|WE area=7.07
|CE=platinum
|CE=platinum
|RE=SCE
|RE=SCE
|include=Yes
|WE area=7.07
|include=No
}}{{Cyclic Voltammetry
}}{{Cyclic Voltammetry
|anl=Molecule:100670
|anl=Molecule:100784
|anl conc=0.5
|anl conc=0.5
|redox potential=-2.0 ;
|solv=Molecule:100530
|solv=Molecule:100530
|electrolyte=TBA(PF6)
|electrolyte=Molecule:100966
|el conc=0.1
|el conc=0.1
|scan rate=100
|scan rate=100
|gas=CO
|gas=CO
|cond=420, 60 min
|cond=TEA (0.05 mM), irr. >420 nm, 60 min
|WE=glassy carbon
|WE=glassy carbon
|WE area=7.07
|CE=platinum
|CE=platinum
|RE=SCE
|RE=SCE
|include=Yes
|WE area=7.07
|include=No
}}
}}
}}
}}
The results show an increase in current when the solution is irradiated and triethylamine (TEA) is added (see condition column).

Latest revision as of 18:35, 17 January 2025

analyte anl conc [M] reduction potential ERed [V] oxidation potential EOx [V] *E0,0 [V] *ERed [V] *EOx [V] solvent solvent vol [ml] electrolyte electrolyte purity el conc [M] int ref comp scan rate [mV/s] scan number potential window scan dir gas T [] condition [nm] WE WE SA [mm²] CE RE Details include

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

0.5

-2.0 , -1.4

1.1

-0.9, -0.3

MeCN

TBAPF6

0.1


100 Argon glassy carbon 7.07 platinum SCE Yes

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

0.5

-2.0, -1.4

MeCN

TBAPF6

0.1


100 CO dark glassy carbon 7.07 platinum SCE No

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

0.5

-2.0, -1.4

MeCN

TBAPF6

0.1


100 CO irr. >420, 60 min glassy carbon 7.07 platinum SCE No

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

0.5

-2.0, -1.4

MeCN

TBAPF6

0.1


100 CO TEA (0.05 mM), irr. >420 nm, 1 min glassy carbon 7.07 platinum SCE No

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

0.5

-2.0

MeCN

TBAPF6

0.1


100 CO TEA (0.05 mM), irr. >420 nm, 60 min glassy carbon 7.07 platinum SCE No

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