Crystal-Face-Selective Supporting of Gold Nanoparticles on Layered Double Hydroxide as Efficient Catalyst for Epoxidation of Styrene

被引：127

作者：

Zhang, Fazhi ^{[1
]}

Zhao, Xiaofei ^{[1
]}

Feng, Changhong ^{[1
]}

Li, Bo ^{[1
]}

Chen, Tao ^{[1
]}

Lu, Wei ^{[1
]}

Lei, Xiaodong ^{[1
]}

Xu, Sailong ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

来源：

ACS CATALYSIS | 2011年 / 1卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Au nanoparticles; layered double hydroxide; crystal face; styrene epoxidation; homogeneous deposition-precipitation; LOW-TEMPERATURE OXIDATION; T-BUTYL HYDROPEROXIDE; CO OXIDATION; NANOCRYSTAL; PERCENTAGE; TITANIA; SHAPE; TIO2; SIZE;

D O I：

10.1021/cs100089v

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：

Au catalysts with layered double hydroxide (LDH) as support were fabricated and the crystal faces feature of LDH platelets was revealed-to have a crucial effect on the location and particle size of gold nanoparticles (AuNPs). A preferential deposition of AuNPs with a narrow size distribution was formed on the lateral {10 (1) over bar0} faces of LDH platelets. Catalytic property evaluation of the resulting Au/LDH samples showed that the conversion of styrene with tert-butyl hydroperoxide (TBHP) to styrene oxide (SO) occurred on the AuNPs with particle size of 2-3 nm, mainly deposited on the lateral faces of LDH support.

引用

页码：232 / 237

页数：6

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