Photophysics of perovskite quantum dots coupled to optical cavities
Hernán Míguez a
a Multifunctional Optical Materials group, Institute of Materials Science of Seville, Consejo Superior de Investigaciones Científicas (CSIC) – Universidad de Sevilla, Spain, Calle Américo Vespucio, 49, Sevilla, Spain
Proceedings of International Conference on Emerging Light Emitting Materials (EMLEM22)
Aspects of Emergent Light Emitters:
Limasol, Cyprus, 2022 October 3rd - 5th
Invited Speaker, Hernán Míguez, presentation 067
Publication date: 15th July 2022

The optical absorption and emission properties of a semiconductor or molecular materials coupled to an optical cavity differ strongly from those of the bare, uncoupled, compounds.[1] For instance, it may intensely absorb light at frequencies for which its intrinsic absorption is very low, or emit light at spectral ranges at which the uncoupled system barely shows luminescence.[2,3] The integration of lead halide perovskites into photonic structures have demonstrated the great potential this approach bears to controllably modify and enhance the photophysical properties of these semiconductors. In this talk, different ways to controllably modify the optical response of lead halide perovskites by tailoring their optical environment will be overviewed. Recent advances in the improvement of the optical quality of perovskite quantum dot solids, which has opened the door to their integration in optical cavities, will be discussed in detail, as well as their implications in the field of photovoltaics, light emitting devices and photodetection.

Financial support of the Spanish Ministry of Science and Innovation under grant PID2020-116593RB-I00, funded by MCIN/AEI/10.13039/501100011033, and of the Junta de Andalucía under grant P18-RT-2291 (FEDER/UE) is gratefully acknowledged.

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