Fig. 1: Construction of L-ZrO2@mSiO2.
From: Ultrasmall amorphous zirconia nanoparticles catalyse polyolefin hydrogenolysis

The construction of L-ZrO2@mSiO2 involves three steps: (1) precipitation–deposition of ZrOx(OH)4–2x nanoparticles onto graphene oxide, (2a) coating of mSiO2 onto ZrOx(OH)4–2x/graphene oxide and (2b) calcination at 550 °C.