Metilamonyum Tabanlı Perovskit Güneş Pillerinin Simülasyonu

Abstract

Bu çalışmada, farklı katman malzemeleri ve kalınlıklarının perovskit güneş hücrelerinin performansına etkisi SCAPS-1D simülasyon yazılımı kullanılarak incelenmiştir. Güneş hücresi modellerinde, elektron taşıma katmanı (ETL) olarak Titanyum dioksit (TiO₂) ve Kalay dioksit (SnO₂) malzemeleri, soğurucu katman olarak CH₃NH₃SnI₃, delik taşıma katmanı (HTL) olarak ise Spiro-OMETAD ve kristalin silisyum (c-Si) malzemeleri kullanılmıştır. Üst temas için yüksek optik geçirgenliğe sahip flor katkılı kalat oksit (FTO), alt temas için ise altın (Au) tercih edilmiştir. Her modelde alt kontak kalınlık değeri sabit tutulup diğer katmanların kalınlıkları değiştirilerek toplam 28 farklı yapı modellenmiştir. Sonuçlar, HTL kalınlığının artırılmasının genel olarak doldurma faktörü (FF), kısa devre akım yoğunluğu (Jsc) ve Güç Dönüşüm Verimliliği (PCE) üzerinde olumsuz etkileri olduğunu, ancak açık devre voltajını (Voc) düşük oranlarda artırdığını göstermiştir. Benzer şekilde, ETL katman kalınlığının azaltılmasının FF, Jsc, Voc ve PCE üzerinde olumlu etkisi olmuştur. FTO kalınlığının azaltılması hücre performansında genel bir artışa da yol açtı. En iyi performans % 26,34 verimlilikle M17 konfigürasyonunda elde edildi. Çalışma, katman kalınlıklarının dikkatli bir şekilde optimize edilmesinin perovskit güneş hücrelerinin performansını önemli ölçüde artırabileceğini ortaya koyuyor. Bulgular hem çevre dostu hem de yüksek verimli kurşunsuz perovskit güneş hücresi tasarımlarına ışık tutuyor.

Keywords

• Perovskit
• Güneş Hücresi
• SCAPS-1D
• Simülasyon

Thanks

The Second author thankfully acknowledges TUBITAK, Turkiye, for the financial support in the form of Senior Research Fellowship (2211-A National PhD Scholarship Program).

Simulation of Methylamonyum Based Perovskite Solar Cell

Abstract

In this study, we investigated how different layer materials and thicknesses affect the performance of perovskite solar cells using SCAPS-1D simulation software In solar cell models, titanium dioxide (TiO₂) and tin dioxide (SnO₂) materials were used as the electron transport layer (ETL), CH₃NH₃SnI₃ as the absorber layer, and Spiro-OMETAD and crystalline silicon (c-Si) materials as the hole transport layer (HTL). Fluorine-doped tin oxide (FTO), with high optical transmittance, was chosen for the top contact, while gold (Au) was used for the bottom contact. A total of 28 different structures were modeled, keeping the thickness value of the bottom contact constant in each model and varying the thickness of the other layers. The results indicated that increasing the HTL thickness generally reduced the fill factor (FF), short circuit current density (JSC) and Power Conversion Efficiency (PCE), but slightly increased the open circuit voltage (VOC). Similarly, reducing the ETL thickness positively influenced FF, Jsc, Voc and PCE. Decreasing the FTO thickness also improved the overall cell performance. The highest performance was achieved with the M17 configuration, yielding an efficiency of 26.34%.This study demonstrates that careful optimization of layer thicknesses can substantially enhance the performance of perovskite solar cells. The findings provide valuable insights into the design of environmentally friendly and highly efficient lead-free perovskite solar cells.

Keywords

• Perovskite
• Solar Cell
• SCAPS-1D
• Simulation

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