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Advanced Materials

Efficient Light-Harvesting Layers of Homeotropically Aligned Porphyrin Derivatives

Authors


  • N. M. van der Pers of the Department of Materials Science and Engineering, Delft University of Technology, is acknowledged for the XRD analysis. The research was supported financially by the Delft Research Centre for Sustainable Energy. Supporting Information is available online from Wiley InterScience or from the author.

Abstract

Dye-sensitized solar cells are at present based on a nanostructured interpenetrating network of dye and semiconductor, which overcomes the prerequisite of a long exciton diffusion length; however, this also hampers charge-carrier transport. This work demonstrates that efficient light-induced charge separation is not necessarily only obtained in the case of a nanostructured network, but can also be achieved in a bilayer configuration (see figure).

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