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Nanomaterials are defined grain or particle size of the nanoscale materials, broadly speaking, any one-dimensional scale of less than 100 nm in the material grains or particles in the three-dimensional scale crystals, non-crystalline, quasi-crystals, and the interface layer structure materials. Appears in the small size effect, quantum effects (including macroscopic quantum tunneling effect), when the particle scale into the nanoscale surface effects and interface effects, such as the unique nature of nanomaterials. Nanomaterials in the electrical, thermal, magnetic, optical and other physical properties as well as catalytic, sensitive, response and other chemistry on has Unlike ordinary materials properties, making it in medicine, electronics, environmental protection, machinery, textiles, chemicals and other areas of obtain a wide range of applications. Since 1991 Japan's Iijima discovered carbon nanotubes, one-dimensional nanomaterials in optical materials, composite materials, sensors, catalysts showed extremely attractive prospect, immediately attracted many domestic and foreign scientists widely attention. Metal composite oxide is a new class of inorganic non-metallic materials, Because of the special characteristics of the structure, it showed more excellent than the single oxide nature, and has been widely used in the field of catalysis, environmental protection and energy. Nanotechnology metal composite oxide synthesis, to explore the characteristics of the one-dimensional metal composite oxide as the base material, nanoscience rich. Niobium tantalate as an important class of complex oxide materials have been successfully applied to the field of magnetic, ferroelectric material size less demanding, but precisely because of its size on the control problem, the limit in optical and catalytic and other application areas. By improving the experimental method, the synthesis of small size, and excellent in nature, niobium tantalate one-dimensional materials, is an effective method to solve this problem. In this paper, solvothermal, explore the synthesis of niobium tantalate one-dimensional nanomaterials, characterize their morphology made, and the nature of its photocatalytic degradation of organic dyes. Niobium pentachloride and lanthanum nitrate as a starting material, and benzyl alcohol as a solvent, the use of the solvothermal reaction at a lower temperature to obtain a regular morphology, the the good LANBO of crystalline 4 one-dimensional nanowires. XRD, SEM, TEM, EDX and XPS characterization of the nanowires. In the preparation process, we examined the morphology of a variety of conditions. Different lanthanum inorganic salts as starting materials will produce a certain product morphology. The relatively longer reaction time and higher reaction temperature causes the reaction yield was improved and a higher reaction temperature is conducive to obtain a higher degree of crystallization of nanowires. On this basis, we have further synthesized a series of metal (Eu, Dy, Sm, In) doped LaNbO 4 nanowires. The metal doping LaNbO 4 4 and its metal dopant the Photocatalyst performance has a great advantage. Of niobium pentachloride, tantalum pentachloride, and the rare earth nitrate reactant, benzyl alcohol as a solvent using solvothermal reaction at a lower temperature to obtain a series of rare earth niobium tantalate nano materials, the materials were Characterization of XRD, SEM, TEM, EDX and XPS. We found that different morphologies of different rare earth niobate and tantalate nanomaterials, showing a massive, rod-like, wispy microscopic shape. The photocatalytic degradation of organic dyes RdB as a model reaction of the photocatalytic activity of the prepared samples by literature comparison with existing photocatalytic degradation RdB, we have prepared rare earth, niobium tantalate nanomaterials photocatalytic activity than MNb 2 O 6 type of alkaline earth metal niobates photocatalytic material better, higher value and wide application prospect. In addition, we make use of mesoporous molecular sieve SBA-15 hard template, the copper salt and glucose into the template pores, divalent copper reduced to metal reduction reaction by in situ between the high temperature carbonization of glucose and copper salts in the pores of SBA-15 copper, and then removed lye SBA-15 templates to get a one-dimensional Cu nanowires. Characterization of copper nanowires of XRD, TEM and N of 2 adsorption. The better copper nanowires can be seen by TEM characterization copy the pore structure of SBA-15. XRD and SAED results show that the copper nano-crystalline material is better to maintain the stability of the valence states and in post-processing. We compare the impact on the morphology of the the ordinary impregnation method and both dual-solvent impregnation impregnation method, the experimental results show that the two methods can get copper nanowires, crystallization and structure of the latter's access to materials regularity higher. Structural characterization of materials and precursors, we explore the in situ reduction reaction mechanism. If using other hard template, the method can be effectively used the copper nano-materials for the preparation of other morphologies.
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