Electrochemical Reduction of Carbon Dioxide on Single-Crystal Copper Membrane

2015 ◽  
Vol 66 (24) ◽  
pp. 83-89 ◽  
Author(s):  
N. Yoshihara ◽  
M. Arita ◽  
M. Noda
Keyword(s):  
Carbon Dioxide ◽  
Single Crystal ◽  
Electrochemical Reduction ◽  
Single Crystal Copper

scholarly journals Surface structured platinum electrodes for the electrochemical reduction of carbon dioxide in imidazolium based ionic liquids

2015 ◽  
Vol 17 (37) ◽  
pp. 23909-23916 ◽  
Author(s):  
Florin A. Hanc-Scherer ◽  
Miguel A. Montiel ◽  
Vicente Montiel ◽  
Enrique Herrero ◽  
Carlos M. Sánchez-Sánchez
Keyword(s):  
Carbon Dioxide ◽  
Ionic Liquids ◽  
Single Crystal ◽  
Electrochemical Reduction ◽  
Platinum Electrodes ◽  
Platinum Single Crystal

The direct CO2 electrochemical reduction on model platinum single crystal electrodes Pt(hkl) is studied in [C2mim+][NTf2−], due to its moderate viscosity, high CO2 solubility and conductivity.

Photochemical and Electrochemical Reduction of Carbon Dioxide Catalyzed by a Polyoxometalate-Organic Photosensitizer Complex

2018 ◽  
Author(s):  
Chandan Dey ◽  
Ronny Neumann
Keyword(s):  
Carbon Dioxide ◽  
Cyclic Voltammetry ◽  
Formic Acid ◽  
Electrochemical Reduction ◽  
Mass Spectroscopy ◽  
Photochemical Reactions ◽  
Reducing Agent ◽  
Covalent Attachment ◽  
Hybrid Complex ◽  
Open Face

<p>A manganese substituted Anderson type polyoxometalate, [MnMo<sub>6</sub>O<sub>24</sub>]<sup>9-</sup>, tethered with an anthracene photosensitizer was prepared and used as catalyst for CO<sub>2</sub> reduction. The polyoxometalate-photosensitizer hybrid complex, obtained by covalent attachment of the sensitizer to only one face of the planar polyoxometalate, was characterized by NMR, IR and mass spectroscopy. Cyclic voltammetry measurements show a catalytic response for the reduction of carbon dioxide, thereby suggesting catalysis at the manganese site on the open face of the polyoxometalate. Controlled potentiometric electrolysis showed the reduction of CO<sub>2</sub> to CO with a TOF of ~15 sec<sup>-1</sup>. Further photochemical reactions showed that the polyoxometalate-anthracene hybrid complex was active for the reduction of CO<sub>2</sub> to yield formic acid and/or CO in varying amounts dependent on the reducing agent used. Control experiments showed that the attachment of the photosensitizer to [MnMo<sub>6</sub>O<sub>24</sub>]<sup>9-</sup> is necessary for photocatalysis.</p><div><br></div>

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