材料科学
钯
催化作用
铂金
纳米颗粒
过氧化氢
合金
选择性
化学工程
纳米技术
冶金
有机化学
化学
工程类
作者
Geun‐Ho Han,Xiangyun Xiao,Jaeyoung Hong,Kyujoon Lee,Soohyung Park,Jae‐Pyoung Ahn,Kwan‐Young Lee,Taekyung Yu
标识
DOI:10.1021/acsami.9b21558
摘要
To obtain high catalytic properties, finely modulating the electronic structure and active sites of catalysts is important. Herein, we report the design and economical synthesis of Pd@Pt core–shell nanoparticles for high productivity in the direct synthesis of hydrogen peroxide. Pd@Pt core–shell nanoparticles with a partially covered Pt shell on a Pd cube were synthesized using a simple direct seed-mediated growth method. The synthesized Pd@Pt core–shell nanoparticles were composed of high index faceted Pt on the corners and edges, while the Pd–Pt alloy was located on the terrace area of the Pd cubes. Because of the high-indexed Pt and Pd–Pt alloy sites, the synthesized concave Pd@Pt7 nanoparticles exhibited both high H2 conversion and H2O2 selectivity compared with Pd cubes.
科研通智能强力驱动
Strongly Powered by AbleSci AI