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Todd C. Monson, Matthew T. Lloyd, Dana C. Olson, Yun-Ju Lee and Julia W. P. Hsu Photocurrent Enhancement in Polythiophene- and Alkanethiol-Modified ZnO Solar Cells Advanced Materials 20

Version of Record online: 27 NOV 2008 | DOI: 10.1002/adma.200801082

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Photocurrent enhancement and improvement in solar cell performance are found when the interface between ZnO and polythiophene layers is modified with insulating alkanethiol self-assembled monolayers. This result is correlated with increased structural order in the polymer and interchain contributions in the photocurrent, suggesting that improved exciton diffusion or reduced electron-hole recombination can outweigh the impedance in electron transfer at the heterojunction interface.

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