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Nano Lett. 2008 Feb;8(2):689-92. doi: 10.1021/nl073296g. Epub 2008 Jan 12.

Solution-processed metal nanowire mesh transparent electrodes.

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Department of Electrical Engineering, Stanford University, Stanford, California 94305, USA.


Transparent conductive electrodes are important components of thin-film solar cells, light-emitting diodes, and many display technologies. Doped metal oxides are commonly used, but their optical transparency is limited for films with a low sheet resistance. Furthermore, they are prone to cracking when deposited on flexible substrates, are costly, and require a high-temperature step for the best performance. We demonstrate solution-processed transparent electrodes consisting of random meshes of metal nanowires that exhibit an optical transparency equivalent to or better than that of metal-oxide thin films for the same sheet resistance. Organic solar cells deposited on these electrodes show a performance equivalent to that of devices based on a conventional metal-oxide transparent electrode.

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