Lewis acid-promoted self-sensitized photocatalytic CO2 reduction by a bimetallic Fe complex
Abstract
The modified macrocyclic Mabiq ligand, MeO Mbq , contains two methoxy groups at the outer biquinazoline unit that allow for coordination of a second metal ion in the absence of auxiliary ligands. A series of bimetallic MFe MeO Mbq complexes was synthesized, containing Na, Mg, Fe or Zn adjacent to a centrally bound ferrous ion. The redox properties correlate with the Lewis acidity of the supporting metal. Both Fe and Zn in the outer site boost the photocatalytic CO 2 reduction activity of the central ferrous site. The bimetallic ZnFe MeO Mbq achieves up to 140 TONs (1 h) for selective CO 2 to CO conversion in a self-sensitized process.
Fields of Study & Subjects
CO2 Reduction Techniques and Catalysts
Carbon dioxide utilization in catalysis
Metalloenzymes and iron-sulfur proteins
Publication details
- Journal / source
- Journal of Inorganic Biochemistry
- Publisher
- Elsevier BV
- Volume
- 277
- Pages
- 113230–113230
- Publication date
- 12 January 2026
- Language
- EN