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Hyeunseok Cheun, Canek Fuentes-Hernandez, Jaewon Shim, Yunnan Fang, Ye Cai, Hong Li, Ajaya K. Sigdel, Jens Meyer, Julia Maibach, Amir Dindar, Yinhua Zhou, Joseph J. Berry, Jean-Luc Bredas, Antoine Kahn, Kenneth H. Sandhage and Bernard Kippelen Oriented Growth of Al2O3:ZnO Nanolaminates for Use as Electron-Selective Electrodes in Inverted Polymer Solar Cells Advanced Functional Materials 22

Article first published online: 1 FEB 2012 | DOI: 10.1002/adfm.201102968

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The structural, electrical, and optical properties of Al2O3:ZnO(1:x) nanolaminates synthesized by atomic layer deposition are evaluated as a function of the relative number of cycles x. Al2O3:ZnO(1:20) nanolaminates exhibit a seven-fold increase in electrical conductivity compared with neat ZnO films, which is attributed to changes in the crystal structure of the films and doping effects. Efficient poly(3-hexylthiophene) (P3HT):phenyl-C61 -butyric acid methyl ester (PCBM) poly- mer-based inverted solar cells utilizing Al2O3:ZnO(1:20) nanolaminate electron-selective electrodes are demonstrated.

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