Abstract
The counter electrode widely used in DSCs (dye-sensitized solar cells) is constructed of conducting glass substrates coated with Pt films, where the platinum acts as a catalyst. Pt counter electrodes in DSCs are one important component. It is expected that characteristics of Pt electrodes strongly depend on fabrication process and its surface condition. In this study, Pt counter electrode surface of DSC is deposited by reactive RF magnetron sputtering under the conditions of Ar 5mtorr, RF power of 120W and substrate temperature of 100degC. Surface morphology of Pt electrodes was investigated by FE-SEM and AFM. And this paper shows our recent results and technology to fabricate the new designed cell with Pt electrodes deposited by sputtering method. We have achieved fill factor 68% and photoelectric conversion efficiency around 2.6% as the best results of new designed DSCs structure
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