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1 October 2023 Tuning the ionic and optical properties of halide perovskites
Nripan Mathews
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Proceedings Volume PC12659, Organic and Hybrid Light Emitting Materials and Devices XXVII; PC1265905 (2023) https://doi.org/10.1117/12.2677245
Event: SPIE Organic Photonics + Electronics, 2023, San Diego, California, United States
Abstract
Halide perovskite are a versatile class of semiconductors with tunable optical and electronic properties. Halide perovskites have attracted great attention for their applications in solar cells, light-emitting diodes, lasers, and detectors. They exhibit remarkable properties such as high absorption coefficient, tunable bandgap, long carrier diffusion length, and low defect density. However, they also face challenges such as instability and hysteresis which can be traced to ionic migration. This work this talk will cover our efforts in halide perovskite light emitting diodes- specifically we will focus on how the electronic and ionic landscape of halide perovskite semiconductors can be tailored to emit blue emission. We also explain how through a judicious use of appropriate interfaces we are able to enable white light emitting diodes as well as diodes with time varying spectral output.
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Nripan Mathews "Tuning the ionic and optical properties of halide perovskites", Proc. SPIE PC12659, Organic and Hybrid Light Emitting Materials and Devices XXVII, PC1265905 (1 October 2023); https://doi.org/10.1117/12.2677245
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KEYWORDS
Perovskite
Optical properties
Light emitting diodes
Semiconductors
Absorption
Diffusion
Interfaces
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