A comparative study on different HTMs in perovskite solar cell with ZnOS electron transport layer
2017
Highly efficient Perovskite solar cells have drawn significant amount of interest of researchers from all over the world due to higher achievable efficiency and low fabrication cost. Hybrid PSC's have emerged as a possible replacement for Si based solar cells. In this paper, different inorganic hole conducting/transporting material have been analyzed with new Electron Transport Layer Zinc OxySulfide (ZnOS) to replace the easily degradable and expensive Spiro-OMETAD. The effect of HPSC's with different types of HCM/HTM are simulated using the software SCAPS-1D. The highest calculated efficiency is 21.04%. The calculations were done considering defects and with interface layers. The results indicate that using inorganic HTMs instead of Spiro-OMETAD is both cost effective and stable. The effect of the various HTMs were calculated against ZnOS as the electron transport layer.
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