“…[3,4] By using SCFs, the surfaces of graphene, rGO, or GO have been decorated with a variety of metal (such as Pt, [105,195] Ru, [105] Pd, [97,100,102,197] Ag, [84,198,216,217] Au, [100] Fe, [100] Ni, [100,105] PtRu, [199] PtFe, [107] and PtFeCo [200] ), metal oxide (such as ZnO, [99,101,218] Co 3 O 4 , [96] TiO 2 , [201,202,219] MoO 2 , [193] MnO 2 , [209] Al 2 O 3 , [215] and SnO 2 , [205] ), and metal sulfide (such as CdS [103] ) NPs with tunable sizes, loadings, and compositions. [3,4] By using SCFs, the surfaces of graphene, rGO, or GO have been decorated with a variety of metal (such as Pt, [105,195] Ru, [105] Pd, [97,100,102,197] Ag, [84,198,216,217] Au, …”