研究目的
Investigating the use of Tectona Grandis leaves and red Crysanthemum Morifolium as sensitizers in dye-sensitized solar cells (DSSCs) to achieve high conversion efficiency.
研究成果
The mixed dye from Tectona Grandis leaves and red Crysanthemum Morifolium showed the highest conversion efficiency of 0.834%, indicating its potential as an effective sensitizer for DSSCs.
研究不足
The study is limited by the natural variability of dye sources and the manual fabrication process of DSSCs, which may affect reproducibility and scalability.
1：Experimental Design and Method Selection:
The study involved the extraction of dyes from Tectona Grandis leaves and red Crysanthemum Morifolium petals using organic solvents, preparation of TiO2 paste, and fabrication of DSSCs.
2：Sample Selection and Data Sources:
Natural dyes were selected based on their anthocyanin content.
3：List of Experimental Equipment and Materials:
Included FTIR spectrometer, UV-Vis spectrophotometer, XRD, and spin coater.
4：Experimental Procedures and Operational Workflow:
Dye extraction, TiO2 paste preparation, spin-coating on ITO glass, calcination, dye adsorption, and DSSC assembly.
5：Data Analysis Methods:
FTIR for chemical properties, UV-Vis for absorbance, XRD for structural analysis, and efficiency calculation.
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