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    • 8. 发明授权
    • Nonlinear optical device and method of manufacturing same
    • 非线性光学器件及其制造方法
    • US5547705A
    • 1996-08-20
    • US939965
    • 1992-09-04
    • Tadashi FukuzawaSatoru S. KanoKiyoshi KumataVictor Y. LeeFranklin M. SchellenbergYutaka Takahashi
    • Tadashi FukuzawaSatoru S. KanoKiyoshi KumataVictor Y. LeeFranklin M. SchellenbergYutaka Takahashi
    • G02F1/35G02F1/355G02F3/02B05D5/06
    • B82Y20/00G02F1/3556
    • A nonlinear optical device comprising a substrate and a film structure coated on to the substrate. The film has, in a direction normal to the substrate, an intercalation structure including a semiconductor layer and an organic layer that lave different energy gaps. The intercalation structure includes a plurality of semiconductor layers and a plurality of organic layers which comprise a quantum well system. The film structure includes an assembly of microcrystals having domain size smaller than that of the wavelength of light with which the device operates. The microcrystals have an axis aligned in a direction normal to the substrate and have randomly oriented axes in a direction parallel to the substrate. A method for producing the device comprises providing a solution of an organic material in a solvent and placing a quantity of the solution on a substrate to form the organic material film structure thereon. The film is formed by spin coating of the solution on the substrate. Preferably the film is comprised of a two-dimensional perovskite such as (C.sub.10 H.sub.21 NH.sub.3).sub.2 PbI.sub.4. The solvent is acetone or dimethoxyl ethane.
    • 一种非线性光学器件,包括涂覆在基底上的基底和薄膜结构。 该膜在与基板垂直的方向上具有包含半导体层和具有不同能隙的有机层的嵌入结构。 嵌入结构包括多个半导体层和包括量子阱系统的多个有机层。 膜结构包括具有比器件工作的光的波长小的畴尺寸的微晶组合。 微晶具有在垂直于衬底的方向上对齐的轴线,并且在平行于衬底的方向上具有随机取向的轴。 一种制造该装置的方法包括:将有机材料溶于溶剂中并将一定量的溶液放置在基材上以在其上形成有机材料膜结构。 该膜通过将溶液旋涂在基材上而形成。 优选地,该膜由诸如(C10H21NH3)2PbI4的二维钙钛矿组成。 溶剂是丙酮或二甲氧基乙烷。