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Thermally Assisted Sub-10 fs Electron Transfer in Dye-Sensitized Nanocrystalline TiO2 Solar Cells

Authors


  • The research was supported by NSF, CAREER Award CHE-0094012. OVP is a Camille and Henry Dreyfus New Faculty and an Alfred P. Sloan Fellow.

Abstract

The sub-10 fs photoinduced electron transfer from alizarin molecules to titania nanoparticles is simulated (see Figure; white: H; black: C; red: O; gray: Ti). The system provides a paradigm of the nanoscale coupling of organic and inorganic species. Remarkably, conduction is possible with photoexcitation below the conduction band and occurs by thermal activation.

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