研究目的
Investigating the effects of HTL and ETL thicknesses on the performance of PQT-12/PCDTBT:PC61BM/ZnO QDs solar cells.
研究成果
The study demonstrates that optimizing the thicknesses of PQT-12 HTL and ZnO QDs ETL can significantly enhance the performance of BHJ solar cells, with the best performance achieved at ~20 nm PQT-12 and ~35 nm ZnO QDs thicknesses.
研究不足
The study is limited to the specific materials and thickness ranges of PQT-12 and ZnO QDs. The fabrication and characterization were conducted in an open-air environment, which may affect the results.
1：Experimental Design and Method Selection:
The study employs the floating film transfer method (FTM) for depositing PQT-12 HTL and spin-coating for ZnO QDs ETL on ITO-coated glass substrates.
2：Sample Selection and Data Sources:
The materials include PQT-12, PCDTBT, PC61BM, and ZnO CQDs, with specific thicknesses varied for HTL and ETL.
3：List of Experimental Equipment and Materials:
Instruments used include a parameter analyzer (Model No. B1500A from Keysight, USA) and a solar simulator (Model SS50AAA from Photo Emission Technology, USA).
4：Experimental Procedures and Operational Workflow:
The fabrication involves spin-coating ZnO CQDs on ITO glass, preparing the active layer by mixing PCDTBT and PC61BM, and depositing PQT-12 HTL via FTM.
5：Data Analysis Methods:
Performance parameters like VOC, JSC, FF, and PCE are measured under standard solar light spectrum.
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