Solar energy paper index
The Effect of α-Fe<sub>2</sub>O<sub>3</sub> and Fe<sub>3</sub>O<sub>4</sub> as Transport Layer on the Photovoltaic Performance of Perovskite-Based Solar Cells
One-line summary
A solar energy research paper on The Effect of α-Fe<sub>2</sub>O<sub>3</sub> and Fe<sub>3</sub>O<sub>4</sub> as Transport Layer on the Photovoltaic Performance of Perovskite-Based Solar Cells.
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Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
In this work, iron oxide materials α-Fe 2 O 3 and Fe 3 O 4 were investigated as alternative electron and hole transport layers (ETL and HTL) in planar perovskite solar cells (PSCs). Devices were fabricated with the configuration ITO/α-Fe 2 O 3 /PCBM/Perovskite/Fe 3 O 4 /PEDOT:PSS/Ag using a spin-coating method. Structural, optical, and electrical properties were characterized by X-ray diffraction (XRD), UV–Vis spectroscopy, and current–voltage (J–V) measurements. XRD confirmed the presence of distinct α-Fe 2 O 3 and Fe 3 O 4 crystalline phases, while UV–Vis analysis revealed enhanced absorption and a reduced optical bandgap of 2.04 eV. Devices incorporating both oxide layers achieved improved charge separation and interfacial contact, leading to a power conversion efficiency (PCE) of 0.83%, nearly 30 times higher than the reference device without oxide layers. These findings highlight α-Fe 2 O 3 and Fe 3 O 4 as promising low-cost, stable transport layers for enhancing the efficiency and sustainability of PSCs.
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