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Dye sensitized solar cells (DSCs), as a new innovative technology, were developed very quickly in the past decade since Prof. M. Grätzel (EPFL) made the breakthrough in 1991 (Nature 353 (1991) 737). While photoelectric conversion efficiency of 11.04% was achieved last year in EPFL (J. Photocem. Photobiol. A: Chem. 164 (2004) 3), 8.2% was achieved with a size of 2.36cm 2 in 2001 by the ECN...
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