Photocatalytic CO2 Reduction by Trigonal-Bipyramidal Cobalt(II) Polypyridyl Complexes: The Nature of Cobalt(I) and Cobalt(0) Complexes upon Their Reactions with CO2, CO, or Proton
Journal Article
·
· Inorganic Chemistry
- Brookhaven National Lab. (BNL), Upton, NY (United States); Saitama Univ., Saitama (Japan)
- Saitama Univ., Saitama (Japan)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
Trigonal-bipyramidal Co(II) complexes are used for photochemical carbon dioxide (CO2) reduction with Ru(bpy)32+ as a photosensitizer, tri-p-tolylamine (TTA) as a reversible quencher, and triethylamine (TEA) as a sacrificial electron donor to produce carbon monoxide and dihydrogen. Here, the CO2 reduction is slow because of the large structural changes, spin flipping in the cobalt catalytic intermediates, and an uphill reaction for reduction to catalytically active Co(0) by the photoproduced [Ru(bpy)3]+.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- SC0012704
- OSTI ID:
- 1433980
- Report Number(s):
- BNL--203518-2018-JAAM
- Journal Information:
- Inorganic Chemistry, Journal Name: Inorganic Chemistry Journal Issue: 9 Vol. 57; ISSN 0020-1669
- Publisher:
- American Chemical Society (ACS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Similar Records
Photoelectroanalytical chemistry: electrochemical detection of a photochemically active species, Tris(2,2'-bipyridine)ruthenium(II)
Mechanism of photocatalytic reduction of CO2 by Re(bpy)(CO)3Cl from differences in carbon isotope discrimination
Reactivity of radiolytically and photochemically generated tertiary amine radicals towards a CO2 reduction catalyst
Journal Article
·
1985
· Anal. Chem.; (United States)
·
OSTI ID:5492672
Mechanism of photocatalytic reduction of CO2 by Re(bpy)(CO)3Cl from differences in carbon isotope discrimination
Journal Article
·
2016
· ACS Catalysis
·
OSTI ID:1331074
+1 more
Reactivity of radiolytically and photochemically generated tertiary amine radicals towards a CO2 reduction catalyst
Journal Article
·
2023
· Journal of Chemical Physics
·
OSTI ID:2222380