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The performance of ZnO-based dye-sensitized solar cells (DSSCs) has always been lower than that of TiO2-based devices, however, the factors for this difference are still not entirely understood. Here we use current - voltage curves in combination with intensity-modulated photovoltage spectroscopy, charge extraction measurements, and surface photovoltage spectroscopy to gain insight in the photochemical...
The photoelectrochemical properties of nanostructured, porous WO3 films deposited by screen printing have been characterized by steady-state and small signal modulation methods as a function of film thickness. Monoclinic WO3 with a wide particle size distribution between 50 and 500 nm was synthesized by a very simple method, via the dehydration of tungstic acid. Related to the open morphology and...
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