Erasable laser 3D printing of stable perovskite CsPbBr<sub>3</sub> nanocrystals in fluorophosphate glass
Natalia Kuzmenko, Lev Logunov, Е. В. Колобкова, Н. В. Никоноров, Sergey V. Makarov, Maria Kuznetsova, M. N. Bataev, Е. В. Убыйвовк
Abstract
NCs after high-energy fs pulses was recorded. Luminescence spectra at cryogenic temperatures (10 K) and TEM images showed a two-mode size distribution of NCs. The erasure-recovery process of the record was examined, and it was found that the luminescence disappeared when the luminescent NCs were exposed to lower-energy fs pulses. Full recovery of luminescence of Ns occurred during low-temperature annealing at 100-300 °C. Such recording and erasure processes can be repeated for many cycles without changing the luminescence parameters. The stability of the luminescence parameters of NCs in the glass matrix in response to external influences and temperature makes them promising in such fields as high-capacity optical data storage and information encryption.