研究目的
Investigating the fabrication of semi-transparent dye-sensitized solar cells (DSSCs) using a new digital printing technology named Digital Materials Deposition (DMD) and comparing its photovoltaic performances with conventional screen-printing techniques.
研究成果
The DMD technology simplifies the DSSC fabrication process, reduces material consumption, and achieves higher solar energy conversion efficiency compared to conventional screen-printing techniques. It represents an innovative and attractive method for manufacturing DSSCs.
研究不足
The study focuses on the comparison between DMD and conventional screen-printing techniques without exploring other potential digital printing technologies or materials that could further optimize DSSC performance.
1:Experimental Design and Method Selection:
The study utilized a new digital printing technology, DMD, for printing TiO2 nanoparticles and sensitizing the photoanode. The push-pull dye coded “D35” and I3?/I? were used as sensitizer and redox mediator, respectively.
2:Sample Selection and Data Sources:
Conductive glass substrates (F-doped SnO2) were used for photoanodes and counter electrodes.
3:List of Experimental Equipment and Materials:
DMD100 printing system, SEM for morphology analysis, Keithley model 2400 digital source meter for current-voltage characteristics, and a solar simulator calibrated to 100 mW/cm
4:Experimental Procedures and Operational Workflow:
The TiO2 nanoparticles were printed and sensitized using DMD technology, followed by sintering, TiCl4 treatment, and assembly with a platinized counter electrode.
5:Data Analysis Methods:
The photovoltaic performances were analyzed through current-voltage characteristics, IPCE spectra, and IMVS/IMPS measurements.
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