Carbon Dioxide (Reduction)
The twin problems of global warming, caused by an increase in atmospheric carbon dioxide (CO2) concentrations, and limited fossil fuel resources have stimulated research in the utilization of CO2. These problems would be partially alleviated by the development of artificial photochemical systems that could economically fix CO2 into fuels or useful chemicals. During the past one and a half decades, intensive efforts have been directed toward the photochemical production of carbon monoxide (CO) and formic acid (HCOOH) from CO2. These systems have several common elements: they all contain photosensitizers (such as metalloporphyrins, ruthenium or rhenium complexes with bipyridine), electron mediators or catalysts, and sacrificial electron donors (such as tertiary amines or ascorbic acid). Recent progress along these lines has resulted in advances in our understanding of the interaction of CO2 molecules with metal complexes, and the factors controlling the efficient storage of solar energy in the form of reduced carbon compounds.
- Publication Date:
- OSTI Identifier:
- Report Number(s):
R&D Project: CO4; KC030101; TRN: AH200037%%237
- DOE Contract Number:
- Resource Type:
- Research Org:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Country of Publication:
- United States
- 54 ENVIRONMENTAL SCIENCES; CARBON DIOXIDE; REDUCTION; AIR POLLUTION CONTROL carbon dioxide; reduction; fixation; artificial photosynthesis; photocatalysis
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