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25 September 2017 Reversible laser induced amplified spontaneous emission from coexisting tetragonal and orthorhombic phases in hybrid lead halide perovskites (Conference Presentation)
Anna Köhler
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Proceedings Volume 10348, Physical Chemistry of Semiconductor Materials and Interfaces XVI; 1034813 (2017) https://doi.org/10.1117/12.2274231
Event: SPIE Nanoscience + Engineering, 2017, San Diego, California, United States
Abstract
In the talk I will focus on the optical properties of lead halide perovskites and their dependence on the amount of excess PbI2. I shall first address that, at low temperature, it is possible to optically and reversibly induce a phase change from the orthorhomic to the tetragonal phase. By exploiting amplified spontaneous emission (ASE) from these phases, fully optical read-write-erase cycles can be conducted. I shall then elaborate on how and why the photoluminescence features are modified in the presence of excess PbI2.
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Anna Köhler "Reversible laser induced amplified spontaneous emission from coexisting tetragonal and orthorhombic phases in hybrid lead halide perovskites (Conference Presentation)", Proc. SPIE 10348, Physical Chemistry of Semiconductor Materials and Interfaces XVI, 1034813 (25 September 2017); https://doi.org/10.1117/12.2274231
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KEYWORDS
Lead
Luminescence
Nanomaterials
Optical properties
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