Thin nanostructured solar cells on metal sheets

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We have studied direct integration of nanostructured, dye-sensitized solar cells (DSC) on industrial sheet metals, used e.g. as building materials. To demonstrate an all-flexible, roll-to-roll producable and mechanically stable DSC, counter electrodes made of platinized ITO-PET plastic foils and solidified iodine electrolyte were employed in the cells. Total power conversion efficiency of 3.7 % was obtained with a DSC consisting of a stainless steel photoelectrode, Pt-plastic counter electrode, and gel electrolyte (for a reference, 4.3 % and 4.7 % with a Pt-glass counter electrode and gel and liquid electrolytes, respectively). The simple manufacturing process of the cells and the flexible, low-cost steel substrate show potential for cost-efficient, high throughput mass production of the DSC.

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Journal: TechConnect Briefs
Volume: Technical Proceedings of the 2008 Clean Technology Conference and Trade Show
Published: June 1, 2008
Pages: 96 - 99
Industry sector: Energy & Sustainability
Topic: Solar Technologies
ISBN: 1-4200-8502-0