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Träfflista för sökning "L773:1527 8999 OR L773:1528 0691 srt2:(2016)"

Sökning: L773:1527 8999 OR L773:1528 0691 > (2016)

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1.
  • Kärkäs, Markus D., et al. (författare)
  • Catalytic Water Oxidation by Ruthenium Complexes Containing Negatively Charged Ligand Frameworks
  • 2016
  • Ingår i: The chemical record. - : Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. - 1527-8999 .- 1528-0691. ; 16:2, s. 940-963
  • Tidskriftsartikel (refereegranskat)abstract
    • Artificial photosynthesis represents an attractive way of converting solar energy into storable chemical energy. The H2O oxidation half-reaction, which is essential for producing the necessary reduction equivalents, is an energy-demanding transformation associated with a high kinetic barrier. Herein we present a couple of efficient Ru-based catalysts capable of mediating this four-proton-four-electron oxidation. We have focused on the incorporation of negatively charged ligands, such as carboxylate, phenol, and imidazole, into the catalysts to decrease the redox potentials. This account describes our work in designing Ru catalysts based on this idea. The presence of the negatively charged ligands is crucial for stabilizing the metal centers, allowing for light-driven H2O oxidation. Mechanistic details associated with the designed catalysts are also presented.
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2.
  • Song, Peng, et al. (författare)
  • Photoinduced Electron Transfer in Organic Solar Cells.
  • 2016
  • Ingår i: The Chemical Record. - : Wiley. - 1527-8999.
  • Tidskriftsartikel (refereegranskat)abstract
    • Electron transfer (ET) is the key process in light-driven charge separation reactions in organic solar cells. The current review summarizes the progress in theoretical modelling of ET in these materials. First we give an account of ET, with a description originating from Marcus theory. We systematically go through all the relevant parameters and show how they depend on different material properties, and discuss the consequences such dependencies have for the performance of the devices. Finally, we present a set of visualization methods which have proven to be very useful in analyzing the elementary processes in absorption and charge separation events. Such visualization tools help us to understand the properties of the photochemical and photobiological systems in solar cells.
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  • Resultat 1-2 av 2
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tidskriftsartikel (2)
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refereegranskat (2)
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Kärkäs, Markus D. (1)
Åkermark, Björn (1)
Pullerits, Tönu (1)
Sun, Mengtao (1)
Li, Yuanzuo (1)
Song, Peng (1)
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Ma, Fengcai (1)
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Stockholms universitet (1)
Lunds universitet (1)
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