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Nanotextured Transparent Semiconductor Oxides for Energy Conversion

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We describe the nano-texturing of transparent semiconductor oxide (TCO) materials such as titanium dioxide using pattern replication in non-wetting templates (PRINT)[1]. A variety of TCO patterns on a < 100 nm scale can be replicated over a > 10 cm**2 scale with PRINT in conjunction with a sol-gel route to the TCO . The calcinated product retains the original mold features and may be useful in energy conversion applications. Preliminary results with organic polymer-based photovoltaic devices will be included.

1. Rolland et al., J. Am. Chem. Soc. 127 (28), 10096 -10100 (2005).

This talk is part of the Optoelectronics Group series.

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