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Daniel Sapori came from France to St. Petersburg to do applied research on perovskite solar cells. Now, he works at ITMO’s Laboratory of Hybrid Nanophotonics and Optoelectronics under the supervision of Sergey Makarov.
Perovskite thin films will make it possible to turn normal glass into smart surfaces that can display information in AR devices and convert solar energy into electricity. The research of the group headed by ITMO scientists has been published in Laser & Photonics Reviews.
The effect that can be seen on the picture is called photoluminescence. Quantum dots made out of cesium perovskite receive ultraviolet light that gets absorbed by quantum dots and then re-emitted, but in the spectral range.