Highly dispersed Pd nanoparticles supported on nitrogen-doped graphene with enhanced hydrogenation activity
作者： Ping Liu , Gen Li , Wan-Ting Chang , Meng-Yao Wu , Yong-Xin Li
DOI: 10.1039/C5RA12243K
关键词:
摘要: Pd nanoparticles supported on nitrogen-doped graphene (NG) were prepared as hydrogenation catalysts. Different nitrogen sources (ethylenediamine, ammonia, and urea) employed to synthesize NG using hydrothermal treatment under mild conditions. The as-made samples characterized by transmission electron microscopy, scanning Raman spectroscopy, elemental analysis, adsorption–desorption, X-ray diffraction, photoelectron spectroscopy. Remarkably improved dispersion of was observed when introduced into the structure. These NG-supported catalysts showed enhanced catalytic activities owing superior Pd. In different olefins, perfect turnover frequencies obtained over catalyst with urea source.
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