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Citation: Fu Zai-Hui, Chen Jun-Hua, Chen Yuan-Dao, Xiang Yan-Hai, Zhang Lu-Xi, Yin Du-Lin. Synthesis,Characterization and Catalytic Properties of Transition Metals Substituted HMS[J]. Acta Physico-Chimica Sinica, ;2000, 16(05): 410-415. doi: 10.3866/PKU.WHXB20000507 shu

Synthesis,Characterization and Catalytic Properties of Transition Metals Substituted HMS

1.
Institute of Fine Catalysis and Synthesis,Hunan Normal University,Changsha 410081

Received Date: 8 August 1999
Available Online: 15 May 2000

Transition metals copper, titanium, cobalt and iron substituted hexa nal mesoporous silicas(Cu-HMS, Ti-HMS, Co-HMS and Fe-Silica) were synthesized by using neutral dodecylamine(DDA) as templating agent. XRD and FTIR measurements indicate that the incorporations of Cu and Ti cause no deterioration of the quality of the 100 reflection of mesoporous materials, while the introduction of Co, and especially Fe obviously decrease the assembled effects of templating agent, and deteriorate the quality of the 100 reflection of mesoporous materials seriously. The catalytic tests indicate that Cu-HMS and Fe-Silica are very effective catalysts for the hydroxylation of phenol with 30% H 2O 2 in aqueous solution; and Ti-HMS is an effective catalyst for the epoxidation of styrene with TBHP.
- Hereroatoms substituted HMS,
- Catalytic oxidation,
- Phenol hydroxylation,
- Styrene epoxidation
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