fig3

Figure 3. (A) Synthesis process of CsPbBr3 NCs-glass through solid-state reactions; (B) photograph of CsPbBr3 NCs-glass with two sizes; (C) the -3 dB bandwidth and LOP of CsPbBr3 PQDs with different concentrations; (D) frequency response of CsPbBr3 PQDs with different volumes of ethanol; (E) benchmark of the modulation bandwidth versus PL lifetime for PQDs under different encapsulations. Reproduced with permission: (A and B)[33], Copyright 2021, Wiley-VCH GmbH; (C and D)[38], Copyright 2023, Optica Publishing Group. NC: nanocrystal; PQD: perovskite quantum dot; LOP: light output power; PL: photoluminescence.