Proceedings of International Conference on Perovskite and Organic Photovoltaics and Optoelectronics (IPEROP19)
DOI: https://doi.org/10.29363/nanoge.iperop.2019.031
Publication date: 23rd October 2018
The halide perovskites materials have received intensive attention for various photonics applications due to their unique properties. In this talk, we will present various halide perovskites thin film made of low-pressure vapor assisted method to form 2D/3D mixture with the help of large size cation. Their characteristics in photovoltaic and nonlinear optical properties will be discussed. Such new families of organic-inorganic hybrid halide perovskite semiconductors have great potential for next generation photonic devices and applications such as solar cells, light-emitting diode, and lasers. In general, the slightly 2D doped perovskite demonstrated larger grain size and better photovoltaic performances in both power conversion efficiency and stability. While highly 2D doped perovskite thin film, we observed multiple PL emission spectra with significant nonlinear absorption characteristics, which implies the co-existence of multiple n-layered perovskites in one film. The nonlinear optical effects are characterized by multiphoton absorption spectroscopy and TR-PL and PL mapping.
PC is grateful to the research grant from the Ministry of Science and Technology (MOST 106-2119-M-006-017, MOST 106-2811-M-006-046, MOST 106-2119-M-006-027, and MOST 106-2119-M-006-004).
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