低温化学气相沉积法合成具有增强氧还原反应催化性能的 Pt-Co 合金纳米粒子。
Low-Temperature Chemical Vapor Deposition Synthesis of Pt-Co Alloyed Nanoparticles with Enhanced Oxygen Reduction Reaction Catalysis.
机构信息
National Creative Research Initiative Center for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science and Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
Department of Materials, University of Oxford, Parks Road, Oxford, OX1 3PH, UK.
出版信息
Adv Mater. 2016 Sep;28(33):7115-22. doi: 10.1002/adma.201600469. Epub 2016 Jun 8.
Novel Pt-Co alloyed nanocatalysts are generated via chemical vapor deposition-assisted facile one-pot synthesis. The method guarantees highly monodisperse Pt-Co alloy nanoparticles with precise control of metallic compositions within 1 at%. A significant features is that a perfectly alloyed single-crystal structure is obtained at temperatures as low as 500 °C, which is much lower than conventional alloying temperatures.
通过化学气相沉积辅助的简便一锅合成法生成新型 Pt-Co 合金纳米催化剂。该方法可保证高度单分散的 Pt-Co 合金纳米粒子，且金属成分可在 1 原子%内精确控制。一个显著的特点是，在低至 500°C 的温度下即可获得完全合金化的单晶结构，远低于传统的合金化温度。
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