Preventing Dye Aggregation on ZnO by Adding Water in the Dye-Sensitization Process
Source abstract
Abstract
ZnO based dye-sensitized solar cells have been studied using N719 and Z-907 as sensitizing dyes, with and without including water to the dye solution. The solar cells have been characterized with photoelectric measurements and the interface between the dye and the ZnO surface has been studied using photoelectron spectroscopy. It was shown that water in the dye solution greatly reduces surface dye aggregation and thereby enhances the solar cell performance for N719. For Z-907 where no sign of dye aggregation could be found, the presence of water had minor effect on the surface structure and solar cell performance.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: TiO2 Photocatalysis and Solar Cells · ZnO doping and properties · Advanced Photocatalysis Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Physics and Astronomy, Molecular and Condensed Matter Physics, Uppsala University, Box 516, SE-751 20 Uppsala, Sweden
Inorganic Chemistry, Center of Molecular Devices, Chemical Science and Engineering, Royal Institute of Technology, SE-100 44 Stockholm, Sweden
Department of Physical and Analytical Chemistry, Uppsala University, Box 259, SE-751 05 Uppsala, Sweden
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