Catalytic performance of Mn3O4 and Co3O4 nanocrystals prepared by sonochemical method in epoxidation of styrene and cyclooctene

被引：80

作者：

Askarinejad, Azadeh ^{[1
]}

Bagherzadeh, Mojtaba ^{[2
]}

Morsali, Ali ^{[1
]}

机构：

[1] Tarbiat Modares Univ, Dept Chem, Fac Sci, Tehran, Iran

[2] Sharif Univ Technol, Dept Chem, Tehran, Iran

来源：

APPLIED SURFACE SCIENCE | 2010年 / 256卷 / 22期

关键词：

Epoxidation; Styrene; Cyclooctene; Co3O4 and Mn3O4 nanocatalysts; Sonochemistry; SPINEL CO3O4; SULFIDE NANOPARTICLES; SURFACE SYNTHESIS; COBALT OXIDE; THIN-FILMS; OXIDATION; MECHANISM; ALKENES; MNOOH; NITROSOBENZENE;

D O I：

10.1016/j.apsusc.2010.04.069

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：

A simple sonochemical method was developed to synthesis uniform sphere-like Co3O4 and Mn3O4 nanocrystals. Epoxidation of styrene and cyclooctene by anhydrous tert-butyl hydroperoxide over the prepared Co3O4 and Mn3O4 nanocatalysts was investigated. The results of conversion activity were compared with bulk Co3O4 and Mn3O4. Under optimized reaction conditions, the nanocatalysts showed a superior catalytic performance as compared to the bulk catalysts. Powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and BET surface area, were used to characterize and investigate the nanocatalysts. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：6678 / 6682

页数：5

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