研究目的
To improve the performance of lead-tin mixed perovskite solar cells by treating PEDOT:PSS with hydroquinone to reduce the interfacial barrier and resistance.
研究成果
The treatment of PEDOT:PSS with hydroquinone significantly improves the performance of lead-tin mixed perovskite solar cells by reducing the interfacial barrier and resistance, leading to an increase in power conversion efficiency by 5.7%.
研究不足
The study focuses on the modification of PEDOT:PSS with HQ and its impact on the performance of perovskite solar cells. The scalability and long-term stability of the HQ-treated devices under various environmental conditions were not extensively explored.
1：Experimental Design and Method Selection:
The study involved modifying the PEDOT:PSS surface with hydroquinone (HQ) to reduce the interfacial resistance in perovskite solar cells.
2：Sample Selection and Data Sources:
The perovskite solar cells were fabricated using FA
3：3MA7Pb7Sn3I3 as the absorber layer. List of Experimental Equipment and Materials:
Materials included PEDOT:PSS, hydroquinone, FASnI3, MAPbI3, PC61BM, BCP, and Ag. Equipment included a spin-coater, solar simulator, SEM setup, UV/Vis spectrophotometer, XRD apparatus, and electrochemical workstation.
4：Experimental Procedures and Operational Workflow:
The PEDOT:PSS layer was spin-coated on ITO glass, treated with HQ, followed by the deposition of the perovskite layer, PC61BM, BCP, and Ag electrodes.
5：Data Analysis Methods:
The performance of the solar cells was analyzed using J-V measurements, EQE, SEM, XRD, and EIS.
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PEDOT:PSS
Clevios Al4083
Xi'an Polymer Light Technology Corp.
Hole transport layer for perovskite solar cells
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SnI2
Sigma-Aldrich
Precursor for FASnI3
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FAI
Xi'an Polymer Light Technology Corp.
Precursor for FASnI3
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SnF2
Sigma-Aldrich
Additive to inhibit the oxidization of Sn2+
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PbI2
Precursor for MAPbI3
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MAI
Xi'an Polymer Light Technology Corp.
Precursor for MAPbI3
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MACl
Xi'an Polymer Light Technology Corp.
Additive for MAPbI3 precursor solution
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PC61BM
Electron transport layer
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BCP
Electron transport layer
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Ag
Electrode material
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