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19 September 2017 Lead halide perovskites of different dimensionalities: growth, properties, and applications in optoelectronics (Conference Presentation)
Osman M. Bakr
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Proceedings Volume 10363, Organic, Hybrid, and Perovskite Photovoltaics XVIII; 103631D (2017) https://doi.org/10.1117/12.2273920
Event: SPIE Organic Photonics + Electronics, 2017, San Diego, California, United States
Abstract
Three-dimensional (3D) lead halide perovskites exhibit impressively long carrier diffusion lengths and low trap densities, while reduced-dimensionality perovskites, such as two-dimensional (2D) and zero-dimensional (0D) perovskite derivatives, possess large exciton binding energies and high photoluminescence quantum yields. These characteristics make the diverse class of perovskite materials ideal for photovoltaics, photodetection, and light emission. Here we discuss our latest advances in growing and understanding the properties of monocyrstalline 3D perovskites, as well as 0D and 2D perovskite derivatives. We also demonstrate the integration of these materials in a range of optoelectronic applications including: monocrystalline perovskite solar cells; simultaneously fast and sensitive photodetectors that can operate in both broadband and narrow-band regimes; and efficient light-emitting diodes. Thus, in these device prototypes, we showcase the importance of crystallinity, dimensionality, and composition for tailoring materials properties, and realizing novel and efficient perovskite optoelectronics.
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Osman M. Bakr "Lead halide perovskites of different dimensionalities: growth, properties, and applications in optoelectronics (Conference Presentation)", Proc. SPIE 10363, Organic, Hybrid, and Perovskite Photovoltaics XVIII, 103631D (19 September 2017); https://doi.org/10.1117/12.2273920
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KEYWORDS
Optoelectronics
Solar cells
Diffusion
Excitons
Lead
Photodetectors
Light emitting diodes
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