期刊
ACS CATALYSIS
卷 1, 期 4, 页码 232-237出版社
AMER CHEMICAL SOC
DOI: 10.1021/cs100089v
关键词
Au nanoparticles; layered double hydroxide; crystal face; styrene epoxidation; homogeneous deposition-precipitation
资金
- National Natural Science Foundation of China
- 973 Program [2009CB939802]
- Program for New Century Excellent Talents in Universities [NCET-07-0055]
- Fundamental Research Funds for the Central Universities [ZZ0916]
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.
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