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    • 7. 发明公开
    • Switchable surfaces based on freely floating colloidal particles
    • UmschaltbareOberflächenauf Basis freifließenderKolloidteilchen
    • EP2404866A1
    • 2012-01-11
    • EP10169077.4
    • 2010-07-09
    • Leibniz-Institut für Polymerforschung Dresden e.V.
    • Ionov, LeonidPuretskiy, NikolayStoychev, GeorgiStamm, Manfred
    • B81B1/00B81C1/00B81B3/00
    • B81C1/00206B05D5/00B05D5/04B05D5/08B81B1/00B81B3/0089
    • The invention is directed to a switchable element comprising a substrate, a first material and colloidal particles, wherein the first material in a fluid state allows the colloidal particles to at least partially immerse into the first material, and wherein the colloidal particles are responsive to an external stimulus that changes their degree of immersion in the first material, and wherein at a temperature below the melting point of the first material the colloidal particles are fixed in their degree of immersion.
      The invention is further directed to a method for the preparation of said switchable element; a method for preparing said switchable element having on a surface a pattern of at least one first area, wherein the colloidal particles have a first degree of immersion, and at least one second area, wherein the colloidal particles have a second degree of immersion different from said first degree of immersion; a method of physical switching said switchable element; and the use of said switchable element.
    • 本发明涉及一种可切换元件,其包括基底,第一材料和胶体颗粒,其中处于流体状态的第一材料允许胶体颗粒至少部分地浸入第一材料中,并且其中胶态颗粒响应于 改变其浸入第一材料的程度的外部刺激,并且其中在低于第一材料的熔点的温度下,胶体颗粒以其浸渍程度固定。 本发明还涉及一种用于制备所述可切换元件的方法; 一种用于制备所述可切换元件的方法,所述可切换元件在表面上具有至少一个第一区域的图案,其中所述胶体颗粒具有第一浸渍程度和至少一个第二区域,其中所述胶体颗粒具有不同于 说第一度沉浸; 物理切换所述可切换元件的方法; 以及使用所述可切换元件。
    • 9. 发明公开
    • Method for preparing particles with a conjugated polymer shell
    • Verfahren zur Herstellung von Partikeln mit einerPolymerkonjugathülle
    • EP2246376A1
    • 2010-11-03
    • EP09005837.1
    • 2009-04-27
    • Leibniz-Institut für Polymerforschung Dresden e.V.
    • Kiriy, AntonSenkovskyy, VolodymyrStamm, Manfred
    • C08F292/00C08F291/00C08F257/02C08F259/00C08F277/00C08F285/00C08F271/02C08G83/00C08L65/02C08G61/02
    • C08F292/00C08F257/02C08F259/00C08F271/02C08F277/00C08F285/00C08F291/00C08L51/003C08L51/08C08L51/085C08L51/10C08L2666/02
    • The invention is directed to a method for preparing hybrid particles comprising the steps of:
      a) providing particles having a plurality of-Ar 1 -X groups on their surface,
      b) preparing initiated sites -Ar 1 -NiL-X on the surface of the particles from step a) using a Ni(II) or Ni(0) compound,
      c) contacting the particles from step b) with propagation monomers of the general formula Z-Ar 2 -X to form polymer chains attached to the particles,

      wherein
      Ar 1 and Ar 2 are independently selected from substituted or unsubstituted aryl or heteroaryl groups,
      L represents two monodentate ligands which are selected from the group consisting of triarylphosphine (PAr 3 ), trialkylphosphine (PR 3 ) and combinations thereof; or L represents a bidentate ligand which is selected from the group consisting of 2,2'-bipyridyl (bipy), α-N,N'-diaryl-acenaphthenediimine (daadi), [1,3-bis(diphenylphosphino) propane] (dppp), 1,2-bis(diphenylphosphino)ethane (dppe), [1,1'-bis(diphenylphosphino)ferrocene] (dppf), and combinations thereof;
      Z is XMg, XZn or Li;
      X is a halogen.
      The invention is further directed to hybrid particles obtainable by this method and the use of the hybrid particles in optoelectronic, sensor and solar cell applications, and to the solar cell itself.
    • 本发明涉及一种制备杂化颗粒的方法,包括以下步骤:a)在其表面上提供具有多个Ar 1 -X基团的颗粒,b)在表面上制备起始位点-Ar 1 -NiL-X 来自步骤a)的使用Ni(II)或Ni(0)化合物的颗粒,c)使来自步骤b)的颗粒与通式Z-Ar 2 -X的传播单体接触以形成附着于颗粒的聚合物链, 其中Ar 1和Ar 2独立地选自取代或未取代的芳基或杂芳基,L表示选自三芳基膦(PAr 3),三烷基膦(PR 3)及其组合的两个单齿配体; 或L表示选自2,2'-联吡啶(bipy),±-N,N'-二芳基 - 苊基亚胺(daadi),[1,3-双(二苯基膦基)丙烷]( dppp),1,2-双(二苯基膦基)乙烷(dppe),[1,1'-双(二苯基膦基)二茂铁](dppf)及其组合; Z是XMg,XZn或Li; X是卤素。 本发明还涉及通过该方法获得的混合颗粒和在光电子,传感器和太阳能电池应用中使用混合颗粒以及太阳能电池本身。