Fig. 1

XRD patterns of undopedZIF-8 and Ho-doped ZIF-8 for (a) as-synthesized (As) and (b) thermal annealed (TA) nanocomposites.

XRD patterns of undopedZIF-8 and Ho-doped ZIF-8 for (a) as-synthesized (As) and (b) thermal annealed (TA) nanocomposites.