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二氧化硅球
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  silica spheres
    This paper investigates the effect of annealing temperature on the morphology and the photonic bandgap (PBG) properties of silica opal that were assembled from monodisperse silica spheres by dip-coating.
    本文采用液面下降提拉法将单分散二氧化硅球利用毛细管力的作用自组装成面心密排的蛋白石光子晶体,研究了在300到750℃范围不同温度处理后蛋白石光子晶体的微观形貌和光子带隙性能。
  silica spheres
    This paper investigates the effect of annealing temperature on the morphology and the photonic bandgap (PBG) properties of silica opal that were assembled from monodisperse silica spheres by dip-coating.
    本文采用液面下降提拉法将单分散二氧化硅球利用毛细管力的作用自组装成面心密排的蛋白石光子晶体,研究了在300到750℃范围不同温度处理后蛋白石光子晶体的微观形貌和光子带隙性能。
  “二氧化硅球”译为未确定词的双语例句
    Effects of Different Acidic Conditions on Surface Patterns and Mesophases of Mesoporous Silica
    不同酸对介孔二氧化硅球表面形貌和介相结构的影响
短句来源
    Reports preparation of artificial opal by sedimention of SiO2 spheres in ethanol and it's micro- scopic and optical characterization. Results show that artificial opal belongs to analogue fcc structure,which is in agreement with theoretical calculations by L.V. Woodcock.
    以乙醇为介质,用二氧化硅球沉降法制备有序性较好的人工欧泊(Opal),并对二氧化 硅球排布进行了显微形貌及透射谱表征.结果显示二氧化硅微球有序堆积,其结构为类面心立 方晶型,与目前的理论研究结果符合得很好.
短句来源
    It is shown that the artificial opals belong to analogue fee type packing of SiQ2 spheres as indicated by microscope morphology observation and transmission measurements and the artificial opals are pseudofull-band-gaps silica photonic crystals.
    通过二氧化硅球自组装合成人工欧泊(artificial opal)是获得此种材料的可行方法之一。 实验通过改进模具,选择乙醇作沉降介质,用二氧化硅球沉降法制备了有序性较好的人工欧泊,并对二氧化硅球排布进行了显微形貌观测及透射谱测试。
短句来源
    It was shown that completely spherical mesoporous silica could be obtained by controlling the molar ratios of cationic/nonionic surfactants in syntheses. The mesoporous material exhibited a narrow size distribution of mesospores (2~4nm), high specific surface area (1379m 2/g) and high pore volume (1.12cm 3/g).
    控制非离子和阳离子表面活性剂的量可以得到分散性较好的介孔二氧化硅球 ,其平均颗粒直径为 2 .5 μm ,平均孔径为 3 .2 5nm ,比表面为 1 3 79m2 g ,孔体积高达 1 .1 2cm3 g。
短句来源
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  silica spheres
The surface of most of the silica spheres is coated by a thin discontinuous layer of tellurium.
      
Preparation of movable 3D periodic structures of silica spheres
      
Monodispersed silica spheres were prepared by hydrolysis of tetraethyl orthosilicate (TEOS) in the presence of water and ammonia in ethanol medium.
      
The net negative charge on the surface of SiO2 spheres was enhanced after ageing silica spheres under suitable condition.
      
Thus, a novel viscous liquid composed of mono-dispersed silica spheres was obtained.
      
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Reports preparation of artificial opal by sedimention of SiO2 spheres in ethanol and it's micro- scopic and optical characterization.Results show that artificial opal belongs to analogue fcc structure,which is in agreement with theoretical calculations by L.V. Woodcock.

以乙醇为介质,用二氧化硅球沉降法制备有序性较好的人工欧泊(Opal),并对二氧化 硅球排布进行了显微形貌及透射谱表征.结果显示二氧化硅微球有序堆积,其结构为类面心立 方晶型,与目前的理论研究结果符合得很好.

The fabrication of artificial opals by sedimentation of SiO2 spheres in ethanol with an improved mold was presented. It is shown that the artificial opals belong to analogue fee type packing of SiQ2 spheres as indicated by microscope morphology observation and transmission measurements and the artificial opals are pseudofull-band-gaps silica photonic crystals.

光子晶体(photonic crystal)或光带隙材料(photonic band-gap material)是指具有光子禁带的周期性电介质结构。制造可见光波段的三维全带隙光子晶体是人们的目标。通过二氧化硅球自组装合成人工欧泊(artificial opal)是获得此种材料的可行方法之一。实验通过改进模具,选择乙醇作沉降介质,用二氧化硅球沉降法制备了有序性较好的人工欧泊,并对二氧化硅球排布进行了显微形貌观测及透射谱测试。分析表明,二氧化硅球排布为类面心立方结构;其带隙为准完全带隙。

Core shell type nanostructure TiO 2 composite spheres have been fabricated by consecutively assembling of surfactant C 12 H 25 SO 4Na(SDS) and titanium dioxide nanoparticles onto SiO 2 micro beads and subsequently removing the surfactant by calcinations. A transparent colloidal solution of extremely fine TiO 2 particles from a precursor of tetrabutyl titanate and the technique of layer by layer (LBL) self assembly were used. The morphology, structure and the amount of TiO 2 of the composite...

Core shell type nanostructure TiO 2 composite spheres have been fabricated by consecutively assembling of surfactant C 12 H 25 SO 4Na(SDS) and titanium dioxide nanoparticles onto SiO 2 micro beads and subsequently removing the surfactant by calcinations. A transparent colloidal solution of extremely fine TiO 2 particles from a precursor of tetrabutyl titanate and the technique of layer by layer (LBL) self assembly were used. The morphology, structure and the amount of TiO 2 of the composite spheres were studied by SEM, XRD and X ray energy spectrum. The results reveal that TiO 2 nanoparticles were dispersed on the surface of the composite spheres and were of rutile type structure with a spherical shape of about 50 nm in diameter. The surface of the composite spheres is dense and uniform. The content of titania in the composite spheres can be readily controlled by varying the number of the nanoparticle surfactant deposition cycles.

采用逐层自组装方法在二氧化硅球表面交替组装了十二烷基硫酸钠单分子膜和二氧化钛纳米粒子膜 ,该复合多层膜经高温煅烧后得到了核壳型纳米结构二氧化钛 /二氧化硅复合颗粒 .利用XRD ,SEM ,X射线能谱等对复合颗粒进行了表征 .结果表明 :二氧化钛在复合颗粒表面排列紧密、均匀 ,粒径在 5 0nm左右 ,为锐钛矿型结构 .复合颗粒中二氧化钛的含量随组装层数的增加而均匀增加

 
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