期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 2, 页码 296-304出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201402912
关键词
Carbon dioxide; Reduction; Rhenium; Electrocatalysis; Photocatalysis; Density functional calculations
资金
- Compagnia di San Paolo
- Universita di Torino (PHOTORECARB project)
The effects of the highly fluorescent 4-piperidinyl-1,8-naphthalimide (PNI) chromophore on the CO2 reduction catalytic properties of rhenium-based catalysts are investigated herein. In particular, the electro- and photocatalytic CO2 reduction features of [Re(CO)(3)(bpy)Cl] (bpy = 2,2-bipyridine) are compared with the activity of [Re(CO)(3)(phen-PNI)Cl] (phen = 1,10-phenanthroline), which is known for its long excited-state lifetime. Moreover, another Re complex, namely [Re(CO)(3)(bpy-Ph-PNI)Cl], has been synthesized and tested as an electro- and photocatalyst. The catalytic properties of the selected compounds were studied by means of electrochemical (cyclic voltammetry and controlled-potential electrolysis) and photophysical measurements together with DFT calculations. [Re(CO)(3)(bpy-Ph-PNI)Cl] showed good electrocatalytic efficiency toward selective CO2 reduction to CO, as well as reduced electrocatalytic overpotential.
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