Plasmon enhanced dye-sensitized solar cells: Current status and multiscale modeling

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Abstract

This talk will describe our recent work on developing plasmon-enhanced dye-sensitized solar cells (DSSC) with emphasis on theory and modeling of the optical properties of these cells. On the experimental side, we have recently been involved in a collaboration with Joe Hupp in which TiO2-coated silver particles were used in a DSSC, and the resulting photocurrent was shown to be enhanced by a substantial factor for a relatively inefficient cell as a result of plasmon enhanced absorption. The optical properties of these particles have been modeled with classical electrodynamics, and the conditions needed (particle size, TiO2 thickness) for reasonable enhancements have been worked out. On a more fundamental level, a new theoretical approach is described which enables us to model the plasmon enhancement of a TiO2 coated silver particle using classical electrodynamics (FDTD), and the optical adsorption of dye molecules using real-time quantum mechanics (RT-TDDFT).

Original languageEnglish
JournalACS National Meeting Book of Abstracts
Publication statusPublished - Dec 1 2010
Event240th ACS National Meeting and Exposition - Boston, MA, United States
Duration: Aug 22 2010Aug 26 2010

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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