Influence and Removal of Capping Ligands on Catalytic Colloidal Nanoparticles

被引：81
作者：
Huang, Weixin [1 ,2 ]
Hua, Qing [1 ,2 ]
Cao, Tian [1 ,2 ]
机构：
[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, CAS Key Lab Mat Energy Convers, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China
来源：
CATALYSIS LETTERS | 2014年 / 144卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Heterogeneous catalysis; Promoter; Poison; Activity; Selectivity; Interaction; Controlled oxidation; Colloidal synthesis; SUM-FREQUENCY GENERATION; PLATINUM NANOPARTICLES; PD NANOPARTICLES; CO OXIDATION; VIBRATIONAL SPECTROSCOPY; HETEROGENEOUS CATALYSIS; CONTROLLED SELECTIVITY; GOLD NANOPARTICLES; HYDROGEN DIFFUSION; SHAPE;
D O I：
10.1007/s10562-014-1306-5
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Size- and morphology-controlled catalytic colloidal nanoparticles are emerging as novel catalysts for heterogeneous catalysis, but capping ligands adsorbed on the nanoparticle surfaces inherited from the colloidal synthesis always stand as a problem. This perspective highlights recent progress on the influences and removal of capping ligands on catalytic colloidal nanoparticles. Depending on the system, capping ligands can act as either a poison or a promoter for the capped nanoparticles and the underlying mechanisms will be discussed. Various methods for the removal of capping ligands on catalytic colloidal nanoparticles are summarized with an emphasis on a novel controlled oxidation treatment that we recently developed.
引用
收藏
页码：1355 / 1369
页数：15
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