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4 October 2022 In-situ optical spectroscopy and imaging of layered hybrid perovskites under high pressure (Conference Presentation)
Yulia Lekina, Ze Xiang Shen
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Proceedings Volume PC12203, Enhanced Spectroscopies and Nanoimaging 2022; PC122030M (2022) https://doi.org/10.1117/12.2640854
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
Two-dimensional (2D) hybrid organic-inorganic halide perovskites exhibit enhanced environmental stability and efficient excitonic emission. Altering soft organic and rigid inorganic layers produce a complex response to high pressure, resulting in various phenomena such as tuning of band gap and excitonic energy, phase transitions, and PL enhancement. Understanding the structure-properties relations is crucial to achieving similar improved properties under ambient conditions. In this talk, several indicative examples of the high-pressure evolution of 2D perovskites with different organic components are presented. Discussion of the structural and optical properties is based on in-situ Raman and PL microscopy and imaging.
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Yulia Lekina and Ze Xiang Shen "In-situ optical spectroscopy and imaging of layered hybrid perovskites under high pressure (Conference Presentation)", Proc. SPIE PC12203, Enhanced Spectroscopies and Nanoimaging 2022, PC122030M (4 October 2022); https://doi.org/10.1117/12.2640854
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KEYWORDS
Perovskite
Optical spectroscopy imaging
Lead
Crystals
Optical properties
Optoelectronics
Organic light emitting diodes
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