环己烷
催化作用
光催化
吸附
胶体金
分子氧
氧气
纳米颗粒
材料科学
营业额
氧化还原
化学
无机化学
核化学
光化学
纳米技术
有机化学
作者
Jicheng Zhou,Xiaofeng Yang,Yaqing Wang,Weijun Chen
标识
DOI:10.1016/j.catcom.2013.12.026
摘要
Cyclohexane oxidation using molecular oxygen as oxidant is one of the most challenge subjects. A novel photocatalytic reduction method to prepare Gold nanoparticles Au@TiO2/MCM-41 was proposed. The prepared samples were characterized by XRD, N2 adsorption isotherm, FT-IR, TEM and EDS. The results showed that gold nanoparticles were well-dispersed on TiO2/MCM-41, and TiO2 was dispersed on the surface of the support and the gold existed as Au0. Newly-developed catalyst was promising for the cyclohexane oxidation, achieving a turnover frequency (TOF) as high as 29,145 h− 1 with 9.87% conversion of cyclohexane.
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