Proceedings of Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP24)
DOI: https://doi.org/10.29363/nanoge.iperop.2024.004
Publication date: 18th October 2023
Recently self-assembled monolayers (SAMs) have found widespread applications in the field of solar cells, particularly in hole-selective SAMs within inverted perovskite solar cells and in tandem solar cell configurations. Compared to conventional charge transport layers (CTLs), SAM-based CTLs offer a multitude of advantages, including cost reduction, minimal energy losses, straightforward deposition processes, and the ease of modifying energy levels and surface characteristics. The combination of various hole-selective SAMs has resulted in the development of highly efficient single-junction solar cells. In this research study, three innovative SAM self-assembled layers were chosen for integration into inverted perovskite solar cells. The study involved observing surface state of SAM by using contact angles, roughness by using Atomic Force Microscopy (AFM), and investigating transport properties of respective device through photoluminescence (PL), transient photovoltage (TPV) and transient photocurrent (TPC). Additionally, Field-Emission Scanning Electron Microscopy (FE-SEM) was utilized to examine the deposition of perovskite layers on top of these three novel SAM layers, thus exploring their potential applications in the context of perovskite solar cells.
We thank the Ministry of Science and Technology of Taiwan (MOST 111-2628-E-011 -003 -MY2) for providing financial support.
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