Silica-based hierarchical porous Janus microcapsules: construction and support of Au nano-particle catalyst insideElectronic supplementary information (ESI) available: Experimental details, part of the characterization of the materials. See DOI: 10.1039/c7cc03077k

A facile and novel method was developed to fabricate silica-based hierarchical porous Janus microcapsules (HPJMs SiO 2 ) for catalysis. The resulting Au@HPJMs SiO 2 nanocomposites showed enhanced catalysis, great stability, convenient recovery and reuse without losing catalytic efficiency. A facile and novel method was developed to fabricate silica-based hierarchical porous Janus microcapsules (HPJMs SiO 2 ) for catalysis.