分别以钼酸铵和钼酸钠为反应前驱体,十六烷基三甲基溴化铵(CTAB)为模板剂,在室温条件下制备出具有不同形貌的三氧化钼.采用FE-SEM、XRD和UV-Vis等表征手段对不同形貌的样品进行了对比表征分析,考察了陈化时间对以钼酸钠为前驱体的产物形貌的影响.结果表明,以钼酸铵和钼酸钠为前驱体时,在相同的反应条件下,可得到具有不同形貌和尺寸的氧化钼.纳米氧化钼颗粒与大尺寸片状氧化钼相比,在形成过程中产生晶胞收缩,且其紫外-可见吸收光谱发生明显蓝移.
参考文献
[1] | Nikitenko S I;Koltypin Y;Mastai Y et al.Sonochemical synthesis of tungsten sulfide nanorods[J].Journal of Materials Chemistry,2002,12:1450. |
[2] | Dongen Zhang;Zhiwei Tong;Gaoyang Xu .Templated fabrication of NiFe_2O_4 nanorods: Characterization, magnetic and electrochemical properties[J].Solid state sciences,2009(1):113-117. |
[3] | Synthesis And Characterization Of Ultra Small Pbs Nanorods In Sucrose Ester Microemulsion[J].Materials Letters,2009(3/4):500-503. |
[4] | Lee K P;Manesh K M;Kim K S et al.Synthesis and characterization of nanostructured wires(1D)to plates(3D)LiV3O8 combining sol-gel and electrospinning processes[J].J Nanosci Nanotechn,2009,9(06):417. |
[5] | Dong F Q;Wu Q S;Ma J et al.Mild oxide-hydrothermal synthesis of different aspect ratios of monoclinic BiVO4 nanorods tuned by temperature[J].Phys Status Solidia-Appl Mater Sci,2009,206(01):59. |
[6] | Yan Xu;Li-Hua An;Lip-Lin Koh .Investigations into the Engineering of Inorganic/Organic Solids: Hydrothermal Synthesis and Structure Characterization of One-Dimensional Molybdenum Oxide Polymers[J].Chemistry of Materials,1996(4):814-818. |
[7] | Zapf P J;Haushalter R C;Zubieta J .Crystal engineering of inorganic/organic composite solids:The structure-directing role of aromatic ammonium cations in the synthesis of the step-layered molybdenum oxide phase[4,4ˊ-H2bpy][MoTO22]@H2O[J].Chemical Communications,1997,3:321. |
[8] | Hagrman D;Zubeita C;Rose D J et al.Solids constructed from one-dimensional coordination polymer matrices and molybdenum oxide subunits.Polyoxomolybdate clusters within[{Cu(4,4ˊ-bpy)}4Mo8O26]and[{Ni(H2O)2(4,4ˊbpy)2 }2 Mo8O26]and one-dimensional oxide chains in[{ Cu(4,4ˊ-bpy)}4Mo15O47]·8H2O[J].Angewandte Chemie International Edition in English,1997,36(08):873. |
[9] | Zapf P J;Haushalter R C;Zubieta J .Hydrothermal synthesis and structural characterization of a series of one-dimensional organic/inorganic hybrid materials of the[(MoO3),(2,2ˊ-bipy)m]family:[MoO3(2,2ˊ-bipy)],[Mo2O6(2,2ˊ bipy)],and[Mo3O9(2,2ˊ-bipy)2][J].Chemistry of Materials,1997,9(09):2019. |
[10] | Alexej Michailovski;Jan-Dierk Grunwaldt;Alfons Baiker;Ragnar Kiebach;Wolfgang Bensch;Greta R.Patzke .Studying the Solvothermal Formation of MoO_3 Fibers by Complementary In Situ EXAFS/ EDXRD Techniques[J].Angewandte Chemie,2005(35):5643-5647. |
[11] | Lou XW.;Zeng HC. .Hydrothermal synthesis of alpha-MoO3 nanorods via acidification of ammonium heptamolybdate tetrahydrate[J].Chemistry of Materials,2002(11):4781-4789. |
[12] | Xia T;Li Q;Cao X Q .Morphology-controllable synthesis and characterization of single-crystal molybdenum trioxide[J].Journal of Physical Chemistry B,2006,110(05):2006. |
[13] | Goncalves Fernanda .Active sites for ethanol oxidation over SnO_2-supported molybdenum oxides[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2000(1/2):195-202. |
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