研究目的
Investigating the effects of solvent/solution washing treatment on the PEDOT:PSS film properties, perovskite film quality, and corresponding perovskite solar cell performance.
研究成果
The DMSO solvent washing treatment significantly enhanced the conductivity of PEDOT:PSS films, improved charge carrier transfer efficiency, and the quality of perovskite films. This led to improved Jsc and PCE in perovskite solar cells, demonstrating the potential of solvent treatment in enhancing device performance.
研究不足
The study focuses on the effects of DMSO solvent washing treatment on PEDOT:PSS films and perovskite solar cell performance. Other solvent systems and their effects are not extensively explored. The stability of the treated films under long-term operational conditions is not discussed.
1：Experimental Design and Method Selection:
The study involved applying a PEDOT:PSS interlayer with a solvent/solution washing treatment as the hole transport layer in perovskite solar cells.
2：Sample Selection and Data Sources:
Perovskite solar cells with a configuration of ITO/PEDOT:PSS/Perovskite/PCBM/BCP/Ag were used.
3：List of Experimental Equipment and Materials:
Equipment included XPS (Escalab 250Xi, Thermo Scientific), AFM (Dimension Icon AFM, Bruker), SEM (JSM-7800F SEM), and XRD (Bruker D8 Advance XRD instrument). Materials included PEDOT:PSS, DMSO, and perovskite precursors.
4：Experimental Procedures and Operational Workflow:
The PEDOT:PSS films were treated with DMSO solvent washing during the spin coating step. The effects on film conductivity, morphology, and device performance were analyzed.
5：Data Analysis Methods:
The conductivity of PEDOT:PSS films was measured, and the performance of perovskite solar cells was evaluated through J-V characteristics, IPCE measurements, and PL spectra.
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