Li Guodong, Tang Zhiyong
Laboratory for Nanomaterials, National Center for Nanoscience and Technology, Beijing, 100190, P. R. China.
Nanoscale. 2014 Apr 21;6(8):3995-4011. doi: 10.1039/c3nr06787d. Epub 2014 Mar 12.
Controllable integration of noble metals (e.g., Au, Ag, Pt, and Pd) and metal oxides (e.g., TiO₂, CeO₂, and ZrO₂) into single nanostructures has attracted immense research interest in heterogeneous catalysis, because they not only combine the properties of both noble metals and metal oxides, but also bring unique collective and synergetic functions in comparison with single-component materials. Among many strategies recently developed, one of the most efficient ways is to encapsulate and protect individual noble metal nanoparticles by a metal oxide shell of a certain thickness to generate the core-shell or yolk-shell structure, which exhibits enhanced catalytic performance compared with conventional supported catalysts. In this review article, we summarize the state-of-the art progress in synthesis and catalytic application of noble metal nanoparticle@metal oxide core/yolk-shell nanostructures. We hope that this review will help the readers to obtain better insight into the design and application of well-defined nanocomposites in both the energy and environmental fields.
将贵金属（如金、银、铂和钯）与金属氧化物（如二氧化钛、二氧化铈和二氧化锆）可控整合到单一纳米结构中，在多相催化领域引起了广泛的研究兴趣，因为它们不仅结合了贵金属和金属氧化物的特性，而且与单一组分材料相比，还具有独特的集体和协同功能。在最近开发的众多策略中，最有效的方法之一是用一定厚度的金属氧化物壳层包裹和保护单个贵金属纳米颗粒，以生成核壳或蛋黄壳结构，与传统负载型催化剂相比，该结构具有更高的催化性能。在这篇综述文章中，我们总结了贵金属纳米颗粒@金属氧化物核/蛋黄壳纳米结构在合成和催化应用方面的最新进展。我们希望这篇综述能帮助读者更好地了解在能源和环境领域中明确的纳米复合材料的设计和应用。
