Fig. 3

(a, c) High pressure PL decay curves of the 4CzTPN crystals in the time range of 0–100 ns and 0–2700 ns. (b) The change of average short PL lifetime at different pressure.

(a, c) High pressure PL decay curves of the 4CzTPN crystals in the time range of 0–100 ns and 0–2700 ns. (b) The change of average short PL lifetime at different pressure.