A soft-templated method to synthesize sintering-resistant Au–mesoporous-silica core–shell nanocatalysts with sub-5 nm single-cores

• DOI: 10.1039/c3cc39202c
• Publication Date: 2013-02-27T09:32:59Z
• Authors: Chunzheng Wu; Zi-Yian Lim; Chen Zhou; Wei Guo Wang; Shenghu Zhou; Hongfeng Yin; Yuejin Zhu
• Keywords: Nanomaterial-based catalyst

Nano-gold (sub-5 nm)@mesoporous-silica (m-SiO2) core–shell nanospheres with controlled size and core number were prepared via a soft-templated method. The single-core Au@m-SiO2 particles showed great sintering-resistance at 750 °C kept high catalytic activity for CO oxidation after the treatment.