ZnO−TiO<sub>2</sub> Core−Shell Nanorod/P3HT Solar Cells
2007-12-20T00:00:00Z (GMT) by
We evaluate an ordered organic−inorganic solar cell architecture based on ZnO−TiO<sub>2</sub> core−shell nanorod arrays encased in the hole-conducting polymer P3HT. Thin shells of TiO<sub>2</sub> grown on the ZnO nanorods by atomic layer deposition significantly increase the voltage and fill factor relative to devices without shells. We find that the core−shell cells must be exposed to air to reproducibly attain efficiencies higher than 0.05%. Cells stored in air for 1 month are 0.29% efficient.
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