研究目的
Investigating the efficiency and integration of lateral single-crystal perovskite solar cells for next-generation photovoltaics.
研究成果
The study achieved a record efficiency of 9.50% under 0.1 sun with an electrode spacing of 1.5 mm in lateral single-crystal perovskite solar cells. Successful integration of interdigitated electrode units in series, parallel, and combination configurations was demonstrated, with efficiencies of 7.99, 8.19, and 7.96%, respectively. The work represents a significant advancement towards efficient, lateral photovoltaics for module integration.
研究不足
The study is limited by the scalability of the GC-LCG method and the need for further optimization of electrode spacing and film thickness to enhance efficiency and reduce recombination rates.
1：Experimental Design and Method Selection:
The study employed a one-step, geometrically confined lateral crystal growth (GC-LCG) method for preparing single-crystal perovskite thin films on a patterned rolling mold.
2：Sample Selection and Data Sources:
The samples were prepared using CH3NH3I and PbI2 in DMF, with electrode patterns created on glass substrates.
3：List of Experimental Equipment and Materials:
A semiconductor parameter analyzer (HP 4156C, Agilent Technologies), SEM (Hitachi S4800), optical microscope (ICS-305B, Sometech), X-ray diffractometer (D/MAX-2500/PC, Rigaku), and UV/Vis spectrometer (UV/Vis 8453, Agilent Technologies) were used.
4：Experimental Procedures and Operational Workflow:
The perovskite ink solution was prepared and deposited onto electrode-patterned glass substrates. Electrical poling was applied to induce a p-i-n junction.
5：Data Analysis Methods:
The J–V characteristics were measured under various light intensities, and the films were characterized using SEM, optical microscopy, XRD, and UV/Vis absorption spectroscopy.
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