Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 91, Issue 9, Pages 779-784Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2007.01.007
Keywords
flexible solar cells; dye-sensitized solar cells; stainless steel
Funding
- National IT Industry Promotion Agency (NIPA), Republic of Korea [2006-S-006-02] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Stainless steel (StSt) has been applied as substrate material for efficient, flexible, nanoporous TiO2 dye-sensitized solar cells (DSSCs) with the aim of improving the photochemical properties of current plastic-based flexible DSSCs. DSSCs with a StSt substrate show almost equivalent properties in efficiency and convenience to cells with a F-doped tin oxide (FTO) glass substrate. Specifically, the metal substrate allows application of high-temperature sintering processes and shows high conductance even after sintering. Cells fabricated with the StSt substrates have been investigated as individual cells and as modules. A comparison between conventional DSSCs with a FTO glass substrate and flexible DSSCs with a StSt substrate is presented. In addition, Pt-coated electrodes, which can serve as window electrodes for StSt-based DSSCs, are fabricated via two different methods, i.e., chemical reduction and annealing, and compared. (C) 2007 Elsevier B.V. All rights reserved.
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