초록 |
The reduction of carbon dioxide by water with sunlight in an artificial system offers an opportunity of utilizing non-arable land for generating renewable transportation fuel to replace fossil resources. Because of the very large scale required for impact on fuel consumption, scalability of artificial photosystems is of key importance. Closing the photosynthetic cycle of carbon dioxide reduction and water oxidation on the nanoscale addresses major barriers for scalability as well as high efficiency, such as resistance losses inherent to ion transport over macroscale distances, loss of charge and other efficiency degrading processes, or excessive need for balance of systems components, to mention a few. We developed photodeposition methods for directional assembly of a metal oxide nanocluster (e.g., IrOx for H2O oxidation or reduced CuxOy for CO2 reduction) with selective coupling to donor or acceptor center of a heterobinuclear ZrOCo unit. |