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Impact of plasma-coated SnO₂ nanostructures on TiO₂ surface for enhanced stability and performance of perovskite solar cells | ||
| Challenges in Nano and Micro Scale Science and Technology | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 16 اردیبهشت 1405 | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.22111/cnmst.2026.54667.1281 | ||
| نویسنده | ||
| Zeynab Kiamehr* | ||
| Department of Physics, Tafresh University, Tafresh, Iran | ||
| چکیده | ||
| In this study, SnO2 nanostructures synthesized via the hydrothermal route and deposited by plasma process were employed as an interface modification layer in a perovskite solar cell with FTO/TiO2/SnO2/CH3NH3PbI3/Au architecture. The results showed that precise interface engineering through the introduction of SnO2 significantly improves charge transport and extraction. Structural and spectroscopic analyses confirm the formation of a stable and high-purity SnO2 phase. In contrast, the plasma coating technique allows the formation of a thin, uniform, and well-adhered layer at low temperature conditions compatible with perovskite materials. The improved electrical and optical responses of the modified devices indicate a reduced trap density and optimized interface charge transport paths, leading to enhanced photovoltaic performance even in a simple configuration without a hole transport layer, fabricated under ambient conditions. These findings highlight the effectiveness of plasma-assisted SnO₂ interface engineering as a practical and scalable strategy to improve the performance and stability of perovskite solar cells. | ||
| کلیدواژهها | ||
| Plasma-coated؛ plasma surface modification؛ surface performance improvement؛ perovskite solar cell؛ SnO2 nanostructure | ||
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