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RESEARCH AREAS    
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Radial Electron Collection in Dye-Sensitized Solar Cells
A promising new dye-sensitized solar cell photoanode design in which electrons radially diffuse through the wall of semiconducting tubes and are efficiently collected at an adjacent, concentric ITO tube has been experimentally realized. The work, a collaborative effort between Professors Joseph Hupp and Michael Pellin, was reported in the September 10, 2008 issue of Nano Letters. The concentric tubes, grown by atomic layer deposition, are embedded in an array of ~60 μm long alumina pores. The viability of this architecture as a DSSC photoanode is demonstrated by the photovoltaic characterization of completed devices.
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