Fig. 9From: Facile synthesis, characterization and enhanced catalytic reduction of 4-nitrophenol using NaBH4 by undoped and Sm3+, Gd3+, Hf3+ doped La2O3 nanoparticlesThe catalytic conversion of 4-NP using undoped and doped La2O3 NPs catalyst in the presence of NaBH4Back to article page