研究目的
Developing a simple and cost-effective one-step dipping process for preparing platinum counter electrodes (CEs) to enhance the performance of dye-sensitized solar cells (DSSCs).
研究成果
The one-step dipping process for preparing Pt CEs is simple, cost-effective, and results in DSSCs with high PCE values comparable to those using sputtered-Pt CEs. This method can be used to further enhance the performance of DSSCs.
研究不足
The study focuses on the preparation and performance of Pt CEs using a one-step dipping process, but does not explore the long-term stability or scalability of the method for industrial applications.
1：Experimental Design and Method Selection:
A one-step dipping process was developed for preparing Pt CEs in DSSCs. The Pt CEs were prepared by dipping fluorine-doped tin oxide (FTO) in a 3-mercaptopropyl triethoxysilane (MTS)-Pt suspension.
2：Sample Selection and Data Sources:
MTS-1-Pt and MTS-10-Pt CEs were prepared with 1 and 10 ml of MTS, respectively, and compared with sputtered-Pt CEs.
3：List of Experimental Equipment and Materials:
FE-SEM (JEOL JSM-6510LA), TEM (Hitachi H7650), XPS (ULVAC PHI5000 Versa Probe III), CV (Hokutodenko HZ-5000), EIS (AMETEK VersaSTAT3-100 potentiostat galvanostat), and I–V measurements (HOKUTO DENKO HSV-110 source meter).
4：Experimental Procedures and Operational Workflow:
The Pt CEs were prepared by dipping FTO in MTS-Pt suspension, followed by rinsing and drying. DSSCs were fabricated using these CEs and characterized.
5：Data Analysis Methods:
The performance of DSSCs was evaluated based on PCE, Jsc, Voc, and FF from I–V curves, and catalytic activity was assessed using CV and EIS.
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