Matches in SemOpenAlex for { <https://semopenalex.org/work/W2616304736> ?p ?o ?g. }
- W2616304736 endingPage "277" @default.
- W2616304736 startingPage "263" @default.
- W2616304736 abstract "The temperature dependence of photocatalytic CO<sub>2</sub>reduction by<italic>trans</italic>(Cl)–Ru(bpy)(CO)<sub>2</sub>Cl<sub>2</sub>(bpy: 2,2′-bipyridine) has been researched in ethanol (EtOH)/<italic>N</italic>,<italic>N</italic>-dimethylacetamide (DMA) solutions containing [Ru(bpy)<sub>3</sub>]<sup>2+</sup>(a photosensitizer) and 1-benzyl-1,4-dihydronicotinamide (BNAH, an electron donor). The catalytic system efficiently reduces CO<sub>2</sub>to carbon monoxide (CO) with formate (HCOO<sup>−</sup>) as a minor product. The mechanism of the catalysis consists of the electron-relay cycle and the catalytic cycle: in the former cycle the photochemically generated reduced species of the photosensitizer injects an electron to the catalyst, and in the latter the catalyst reduces CO<sub>2</sub>. At a low concentration of the catalyst (5.0 μM), where the catalytic cycle is rate-determining, the temperature dependence of CO/HCOO<sup>−</sup>is also dependent on the EtOH contents: the selectivity of CO/HCOO<sup>−</sup>decreases in 20% and 40%-EtOH/DMA with increasing temperature, while it increases in 60%-EtOH/DMA. The temperature dependence of the CO/HCOO<sup>−</sup>selectivity indicates that the difference in activation energy (ΔΔ<italic>G</italic><sup>‡</sup>) between CO and HCOO<sup>−</sup>production is estimated as<italic>ca.</italic>3.06 kJ mol<sup>−1</sup>in 40%-EtOH/DMA at 298 K." @default.
- W2616304736 created "2017-05-26" @default.
- W2616304736 creator A5054190382 @default.
- W2616304736 creator A5089106164 @default.
- W2616304736 date "2017-01-01" @default.
- W2616304736 modified "2023-10-17" @default.
- W2616304736 title "Temperature dependence of photocatalytic CO<sub>2</sub>reduction by trans(Cl)–Ru(bpy)(CO)<sub>2</sub>Cl<sub>2</sub>: activation energy difference between CO and formate production" @default.
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