Citation: HAN Qi-Wei, ZHU Bao-Lin, TIAN Jing, SONG Juan-Juan, HU Xiao-Jing, SHI Yu-Kun, HUANG Wei-Ping. Synthesis and Catalytic Performance for CO Oxidation of CuO Modified-TiO₂ Nanotubes with High Thermal Stability via Functionalized Sol Modification[J]. Chinese Journal of Inorganic Chemistry, ;2014, 30(3): 573-578. doi: 10.11862/CJIC.2014.026 shu

Synthesis and Catalytic Performance for CO Oxidation of CuO Modified-TiO₂ Nanotubes with High Thermal Stability via Functionalized Sol Modification

1.
Department of Chemistry, TKL of Metal-and Molecule-Based Material Chemistry, Nankai University, Tianjin 300071, China

Received Date: 2 April 2013
Available Online: 15 July 2013
Fund Project: 国家自然科学基金(No.21071086,21301098) (No.21071086,21301098)天津市自然科学基金青年项目(No.13JCQNJC02000) (No.13JCQNJC02000)“111计划”(No.B12015) (No.B12015)“国家大学生创新性实验计划”(No.111005510)资助项目。 (No.111005510)

By using hydrogen titanate nanotubes as support and titanium sol containing copper(Ⅱ) acetate as modifying agent, CuO modified-TiO₂ nanotubes (CuO/TiO₂ NTs) with high thermal stability were prepared by impregnation method. The prepared materials were characterized by means of X-ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HR-TEM), X-ray photoelectron spectroscopy (XPS), N₂ absorption-desorption (BET), and temperature programed desorption (TPD). The catalytic performances for CO oxidation of the obtained samples were evaluated. Obtained results show that not only is the copper component coated on the nanotubes, but also the thermal stability of the tubular support is improved after the impregnation process. The influences of support form, atomic ratio of Cu to Ti, and calcination temperature on the catalytic performance of the prepared catalysts were also investigated. Obtained results also indicate that the CuO/TiO₂ NTs (n_Cu:n_Ti=1:5) calcined at 400 ℃ exhibit the best catalytic performance.
- hydrogen titanate nanotubes;CuO;modification by functionalized sol;CO oxidation;catalytic activity
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沈阳化工大学材料科学与工程学院沈阳 110142

Synthesis and Catalytic Performance for CO Oxidation of CuO Modified-TiO2 Nanotubes with High Thermal Stability via Functionalized Sol Modification

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通讯作者: 陈斌, bchen63@163.com

Synthesis and Catalytic Performance for CO Oxidation of CuO Modified-TiO₂ Nanotubes with High Thermal Stability via Functionalized Sol Modification