Weavable dye sensitized solar cells exploiting carbon nanotube yarns

Josef Velten, Zharkynay Kuanyshbekova, Özer Göktepe, Fatma Göktepe, Anvar A. Zakhidov

2013

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DOI 10.1063/1.4807891
Data confidence 70 medium
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Abstract

Weavable Dye Sensitized Solar Cells (DSSC) made with flexible yarns of conductive multiwalled carbon nanotubes (MWNTs) were produced having a power conversion efficiency above 3%. This was achieved with a specific design and careful consideration of the yarn function in the DSSC. Fermat yarns of MWNTs individually coated with mesoporous TiO2 layer were twisted together and coated with more mesoporous TiO2 to create a 3 dimensional photo electrode to overcome electron diffusion length issues. Archimedian yarns of MWNTs coated with a thin layer of platinum worked as a counter electrode to complete the architecture used in this DSSC.