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    • 4. 发明公开
    • Method for forming catalyst nanoparticles for growing elongated nanostructures
    • Verfahren zur Bildung von Katalysatornanopartikeln zurZüchtunglänglicherNanostrukturen
    • EP2011572A2
    • 2009-01-07
    • EP07075889.1
    • 2007-10-16
    • Interuniversitair Microelektronica Centrum (IMEC)
    • Radisic, AleksanderVereecken, Philippe M.
    • B01J35/00C01B31/02H01L21/768H01L51/00
    • B01J35/0013B01J23/75B01J37/06B82Y10/00B82Y30/00B82Y40/00C01B32/162C01B32/18H01L21/76876H01L21/76879H01L51/0002H01L51/0048H01L2221/1094
    • The present invention provides a method for forming at least one catalyst nanoparticle (8) on at least one sidewall (10) of a three-dimensional structure on a main surface of a substrate (1a, 1 b), the main surface lying in a plane and the sidewall (10) of the three-dimensional structure lying in a plane substantially perpendicular to the plane of the main surface of the substrate (1a, 1b). The method comprises obtaining a three-dimensional structure on the main surface, the three-dimensional structure comprising catalyst nanoparticles (7) embedded in a non-catalytic matrix (5) and selectively removing at least part of the non-catalytic matrix (5) at the sidewalls (10) of the three-dimensional structure to thereby expose at least one catalyst nanoparticle (8). The present invention also provides a method for forming at least one elongated nanostructure (9), such as e.g. a nanowire or carbon nanotube, using the catalyst nanoparticles (8) formed by the method according to embodiments of the invention as a catalyst. The methods according to embodiments of the invention may be used in, for example, semiconductor processing. The methods according to embodiments of the present invention are scalable and fully compatible with existing semiconductor processing technology.
    • 本发明提供了一种在基板(1a,1b)的主表面上的三维结构的至少一个侧壁(10)上形成至少一个催化剂纳米颗粒(8)的方法,该主表面位于 平面和位于基本上垂直于基板(1a,1b)的主表面的平面的平面中的三维结构的侧壁(10)。 该方法包括在主表面上获得三维结构,所述三维结构包括嵌入非催化基质(5)中的催化剂纳米颗粒(7)并选择性地除去至少部分非催化基质(5) 在三维结构的侧壁(10)处,从而暴露至少一种催化剂纳米颗粒(8)。 本发明还提供了形成至少一个细长纳米结构(9)的方法,例如, 使用通过根据本发明的实施方案的方法形成的催化剂纳米颗粒(8)作为催化剂的纳米线或碳纳米管。 根据本发明的实施例的方法可以用于例如半导体处理。 根据本发明的实施例的方法是可扩展的并且与现有的半导体处理技术完全兼容。
    • 7. 发明公开
    • Method for transfering a graphene layer
    • Verfahren zurÜbertragungeiner Graphenschicht
    • EP2849210A1
    • 2015-03-18
    • EP13184696.6
    • 2013-09-17
    • IMEC VZW
    • Huyghebaert, CedricVereecken, Philippe M.Pourtois, Geoffrey
    • H01L21/18
    • A method for transferring a graphene layer (1) from a metal substrate (2) to a second substrate (3) comprising:
      a. Providing a graphene layer (1) on said metal substrate (2),
      b. Adsorbing hydrogen atoms on said metal substrate (2) by passing protons through said graphene layer (1),
      c. Treating said metal substrate (2) having adsorbed hydrogen atoms thereon in such a way as to form hydrogen gas from said adsorbed hydrogen atoms, thereby detaching said graphene layer (1) from said metal substrate (2),
      d. Transferring said graphene layer (1) to said second substrate (3), and
      e. Optionally reusing said metal substrate (2) in a subsequent step a.
    • 一种用于将石墨烯层(1)从金属基板(2)转移到第二基板(3)的方法,包括:a。 在所述金属基板(2)上设置石墨烯层(1),b。 通过使质子通过所述石墨烯层(1)吸附所述金属基底(2)上的氢原子,c。 处理其上具有吸附氢原子的所述金属基底(2),以便从所述吸附的氢原子形成氢气,从而将所述石墨烯层(1)从所述金属基底(2)分离,d。 将所述石墨烯层(1)转移到所述第二衬底(3),以及e。 任选地在随后的步骤a中重新使用所述金属基底(2)。