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All-solid, flexible solar textiles based on dye-sensitized solar cells with ZnO nanorod arrays on stainless steel wires

•All-solid, flexible solar textile fabricated with DSSCs is demonstrated.•DSSCs woven into a satin structure and transparent PET film are used.•Solar textile showed a high efficiency of 2.57%. An all-solid, flexible solar textile fabricated with dye-sensitized solar cells (DSSCs) woven into a satin...

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Published in:Materials science & engineering. B, Solid-state materials for advanced technology Solid-state materials for advanced technology, 2013-10, Vol.178 (17), p.1117-1123
Main Authors: Chae, Youngjin, Park, Jung Tae, Koh, Jong Kwan, Kim, Jong Hak, Kim, Eunae
Format: Article
Language:English
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Summary:•All-solid, flexible solar textile fabricated with DSSCs is demonstrated.•DSSCs woven into a satin structure and transparent PET film are used.•Solar textile showed a high efficiency of 2.57%. An all-solid, flexible solar textile fabricated with dye-sensitized solar cells (DSSCs) woven into a satin structure and transparent poly(ethylene terephthalate) (PET) film was demonstrated. A ZnO nanorod (NR) vertically grown from fiber-type conductive stainless steel (SS) wire was utilized as a photoelectrode, and a Pt-coated SS wire was used as a counter electrode. A graft copolymer, i.e. poly(vinyl chloride)-graft-poly(oxyethylene methacrylate) (PVC-g-POEM) was synthesized via atom transfer radical polymerization (ATRP) and used as a solid electrolyte. The conditions for the growth of ZnO NR and sufficient dye loading were investigated to improve cell performance. The adhesion of PET films to DSSCs resulted in physical stability improvements without cell performance loss. The solar textile with 10×10 wires exhibited an energy conversion efficiency of 2.57% with a short circuit current density of 20.2mA/cm2 at 100mW/cm2 illumination, which is the greatest account of an all-solid, ZnO-based flexible solar textile. DSSC textiles with woven structures are applicable to large-area, roll-to-roll processes.
ISSN:0921-5107
1873-4944
DOI:10.1016/j.mseb.2013.06.018