What is it about?
Tin oxide, SnO2, transparent conducting oxide (TCO) films for dye-sensitized solar cells (DSSCs) was investigated. We found that an electrical conductivity is not the only parameter that governs conversion efficiency of DSSC.
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Why is it important?
The conversion efficiency was strongly influenced by haze ratio that is easily tuned by controlling the surface morphology of TCO layer, attributing to an effective incident light harvest of a working electrode in the consequence of the confinement of the incident light within the cell.
Perspectives
We found that the pyramidal texture structure with the SnO2 particle size of 200-300 nm, leading to a high haze ratio, was quite effective to achieve high conversion efficiency in the consequence of a light scattering and confinement effect within the cell. Detail investigation in particle size, shape and distribution etc., is going on to clarify the ideal TCO film for DSSCs.
masayuki okuya
Shizuoka Daigaku
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This page is a summary of: Preparation of SnO2 Transparent Conducting Films for Dye-Sensitized Solar Cells by SPD Technique, Electrochemistry, January 2008, The Electrochemical Society of Japan,
DOI: 10.5796/electrochemistry.76.132.
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