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HandWiki. Photoelectrochemical Reduction of CO2. Encyclopedia. Available online: https://encyclopedia.pub/entry/32465 (accessed on 23 September 2026).
HandWiki. Photoelectrochemical Reduction of CO2. Encyclopedia. Available at: https://encyclopedia.pub/entry/32465. Accessed September 23, 2026.
HandWiki. "Photoelectrochemical Reduction of CO2" Encyclopedia, https://encyclopedia.pub/entry/32465 (accessed September 23, 2026).
HandWiki. (2022, November 02). Photoelectrochemical Reduction of CO2. In Encyclopedia. https://encyclopedia.pub/entry/32465
HandWiki. "Photoelectrochemical Reduction of CO2." Encyclopedia. Web. 02 November, 2022.
Photoelectrochemical Reduction of CO2
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The content is sourced from: https://handwiki.org/wiki/Chemistry:Photoelectrochemical_reduction_of_CO2

Photoelectrochemical reduction of CO2 is a chemical process whereby carbon dioxide is reduced to carbon monoxide or hydrocarbons by the energy of incident light. This process needs to be catalyzed either homogeneously or heterogeneously in order to proceed, and current research is aimed at developing these catalysts, most of which are semiconducting materials. Semiconducting catalysts provide favourable electron transfer kinetics. The feasibility of this chemical reaction was first theorised by Giacomo Luigi Ciamician, an Italian photochemist. Already in 1912 he stated that "By  using  suitable catalyzers,  it  should  be  possible  to  transform  the mixture  of  water  and  carbon dioxide into oxygen and methane, or to cause other endo-energetic processes." Motivation for research in this area is strong due to the current attention to atmospheric carbon dioxide as the reduction of carbon dioxide would be one route for removal and sequestration. Furthermore, the reduced species may prove to be a valuable feedstock for other processes. If the incident light utilized is solar in nature then this process also potentially represents energy routes which combine renewable energy with CO2 reduction.

renewable energy photoelectrochemical chemical reaction

References

  1. Benson, Eric E.; Kubiak, Clifford P.; Sathrum, Aaron J.; Smieja, Jonathan M. (2009). "Electrocatalytic and homogeneous approaches to conversion of CO2 to liquid fuels". Chem. Soc. Rev. 38: 89–99. doi:10.1039/b804323j.  https://dx.doi.org/10.1039%2Fb804323j
  2. Halmann, M. (1978). "Photoelectrochemical reduction of aqueous carbon dioxide on p-type gallium phosphide in liquid junction solar cells". Nature 275 (5676): 115–116. doi:10.1038/275115a0.  https://dx.doi.org/10.1038%2F275115a0
  3. Aurian-Blajeni, B.; Halmann, M.; Manassen, J. (1983). "Electrochemical measurement on the photoelectrochemical reduction of aqueous carbon dioxide on p-Gallium phosphide and p-Gallium arsenide semiconductor electrodes". Solar Energy Materials 8 (4): 425–440. doi:10.1016/0165-1633(83)90007-2.  https://dx.doi.org/10.1016%2F0165-1633%2883%2990007-2
  4. Yoneyama, Hiroshi; Sugimura, Kenji; Kuwabata, Susumu (1988). "Effects of electrolytes on the photoelectrochemical reduction of carbon dioxide at illuminated p-type cadmium telluride and p-type indium phosphide electrodes in aqueous solutions". J. Electroanal. Chem. Interfacial Electrochem. 249 (1-2): 143–153. doi:10.1016/0022-0728(88)80355-3.  https://dx.doi.org/10.1016%2F0022-0728%2888%2980355-3
  5. Junfu, Liu; Baozhu, ChunYu (1992). "Photoelectrochemical reduction of carbon dioxide on a p+/p-Si photocathode in aqueous electrolyte". J. Electroanal. Chem. 324: 191–200. doi:10.1016/0022-0728(92)80045-6.  https://dx.doi.org/10.1016%2F0022-0728%2892%2980045-6
  6. Hori, Yoshio; Wakebe, Hidetoshi; Tsukamoto, Toshio; Koga, Osamu (1994). "Electrocatalytic process of CO selectivity in electrochemical reduction of CO2 at metal electrodes in aqueous media". Electrochim. Acta 39 (11-12): 1833–1839. doi:10.1016/0013-4686(94)85172-7.  https://dx.doi.org/10.1016%2F0013-4686%2894%2985172-7
  7. Kumar, Bhupendra; Smieja, Jonathan M.; Kubiak, Clifford P. (2010). "Photoreduction of CO2 on p-type Silicon Using Re(bipy-But)(CO)3Cl: Photovoltages Exceeding 600 mV for the Selective Reduction of CO2 to CO". J. Phys. Chem. C 114 (33): 14220-14223. doi:10.1021/jp105171b.  https://dx.doi.org/10.1021%2Fjp105171b
  8. Walter, Michael G.; Warren, Emily L.; McKone, James R.; Boettcher, Shannon W.; Mi, Qixi; Santori, Elizabeth A.; Lewis, Nathan S. (2010). "Solar Water Splitting Cells". Chem. Rev. 110 (11): 6446-6473. doi:10.1021/cr1002326.  https://dx.doi.org/10.1021%2Fcr1002326
  9. Kaneco, Satoshi; Katsumata, Hideyuki; Suzuki, Tohru; Ohta, Kiyohisa (2006). "Photoelectrochemical reduction of carbon dioxide at p-type gallium arsenide and p-type indium phosphide electrodes in methanol". Chemical Engineering Journal 116 (3): 227–231. doi:10.1016/j.cej.2005.12.014.  https://dx.doi.org/10.1016%2Fj.cej.2005.12.014
  10. Taniguchi, I.; Aurian-Blajeni, B.; Bockris, J. O'M. (1984). "The reduction of carbon dioxide at illuminated p-type semiconductor electrodes in nonaqueous media". Electrochim. Acta 29 (7): 923–932. doi:10.1016/0013-4686(84)87137-6.  https://dx.doi.org/10.1016%2F0013-4686%2884%2987137-6
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