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首页> 外文期刊>Journal of nano research >Controlled synthesis of PbWO4 crystals with good fluorescence property by a novel duck egg membrane
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Controlled synthesis of PbWO4 crystals with good fluorescence property by a novel duck egg membrane

机译：新型鸭卵膜可控合成具有良好荧光性能的PbWO4晶体

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摘要

PbWO4 crystals with different morphologies were readily induced by duck egg membrane via bio-mimetic synthesis at room temperature. The size and morphologies of the PbWO4 crystals could be controlled by outer or inner surface of duck egg membrane, the reactant concentration and the reaction time. The results show that spherical, flower-like and spindle-like crystals were obtained on the inner surface of membrane while rhombic, hexagon-like and chrysanthemum-like crystals were gained on the outer surface with the increasing concentration of Pb2+ and WO42-. Room-temperature fluorescence spectrum pattern indicate the products on the inner surface of the duck egg membrane have a slight blue shift compared to that on the outer surface at the same condition. The PbWO4 crystal with small size obtained at a lower reactant concentration present a better fluorescence performance. The exploration of the reaction mechanism reveals that the interaction between Pb2+ ions and the proteins on the surface of duck egg membrane can make the conformation of the proteins more ordered. In general, the present synthesis route may be extended to prepare other inorganic functional micro-materials.
机译：鸭卵膜在室温下通过仿生合成容易诱导出具有不同形态的PbWO4晶体。 PbWO4晶体的大小和形态可以通过鸭卵膜的外表面或内表面，反应物浓度和反应时间来控制。结果表明，随着Pb2 +和WO42-浓度的增加，在膜的内表面获得球形，花状和纺锤状的晶体，而在外表面获得菱形，六角形和菊花状的晶体。室温荧光光谱图表明，在相同条件下，鸭蛋膜内表面的产品与外表面的产品相比有轻微的蓝移。在较低的反应物浓度下获得的小尺寸PbWO4晶体具有更好的荧光性能。对反应机理的探索表明，Pb2 +离子与鸭蛋膜表面蛋白的相互作用可使蛋白的构象更有序。通常，可以扩展本合成路线以制备其他无机功能微材料。

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  • 来源
    《Journal of nano research》 |2015年第2015期|49-59|共11页
  • 作者

    Gong Baoyou; Pan Le; Zhang Qingfeng; Zhang Hui; Xie Anjian; Li Cun; Song Jiming; Li Shikuo; Shen Yuhua;

  • 作者单位

    Anhui Univ, Collaborat Innovat Ctr Modern Biomfg, Sch Chem & Chem Engn, Hefei 230601, Peoples R China;

    Anhui Univ, Collaborat Innovat Ctr Modern Biomfg, Sch Chem & Chem Engn, Hefei 230601, Peoples R China;

    Anhui Univ, Collaborat Innovat Ctr Modern Biomfg, Sch Chem & Chem Engn, Hefei 230601, Peoples R China;

    Anhui Univ, Inst Phys & Mat Sci, Hefei 230601, Peoples R China;

    Anhui Univ, Collaborat Innovat Ctr Modern Biomfg, Sch Chem & Chem Engn, Hefei 230601, Peoples R China;

    Anhui Univ, Collaborat Innovat Ctr Modern Biomfg, Sch Chem & Chem Engn, Hefei 230601, Peoples R China;

    Anhui Univ, Collaborat Innovat Ctr Modern Biomfg, Sch Chem & Chem Engn, Hefei 230601, Peoples R China;

    Anhui Univ, Collaborat Innovat Ctr Modern Biomfg, Sch Chem & Chem Engn, Hefei 230601, Peoples R China;

    Anhui Univ, Collaborat Innovat Ctr Modern Biomfg, Sch Chem & Chem Engn, Hefei 230601, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Duck egg membrane; Lead tungstate; Biomimetic synthesis; Crystal growth; Fluorescence spectra;

    机译：鸭卵膜;铅钨酸盐;仿生合成;晶体生长;荧光光谱;

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