93. Hyunje Woo, Daeho Kim, Hyesu Park, Sungkyun Park, Kang Hyun Park "Au Nanoparticles Supported on Magnetically Separable Fe2O3-Graphene Oxide Hybrid Nanosheets for the Catalytic Reduction of 4-Nitropheol" ICMAT 2015 & IUMRS-ICA2015 Together with PGC2015, Suntec Singapore Convention Centre, Singapore, June(July)28-3,2015