Web Release Date: November 21,
Controlled Assembly of Hybrid Bulk-Heterojunction Solar Cells by Sequential Deposition
and
Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, and Department of Chemistry and Department of Materials Science and Engineering, University of California, Berkeley, California 94720
Received: August 15, 2006
In Final Form: September 22, 2006
Abstract:
This work presents a technique to create ordered and easily characterized hybrid nanocrystal-polymer composites by sequential deposition of tetrapod-shaped cadmium telluride (CdTe) nanocrystals and poly(3-hexlythiophene). With controlled fabrication and composite morphology, these devices offer several advantages over traditional co-deposited hybrid cells and provide a model system for detailed investigation into the operation of bulk-heterojunction cells.
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