Fig. 2: PL characterizations of Sb3+-based OIHHs.
a PL and PLE curves of CP1 and CP2 crystals; b PL decay curves of CP1 and CP2 crystals; c Excitation-wavelength dependent PL mapping of CP2 crystals; d Temperature-dependent PL spectra of CP2 crystals; e The functional plot between FWHM and temperature; f The PL mechanism of CP2 crystals
