Perovskite composite structure

Active Publication Date: 2018-08-23
WINBOND ELECTRONICS CORP
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  • Abstract
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Benefits of technology

[0005]The invention provides a perovskite composite structure that

Problems solved by technology

However, the organic-inorganic hybrid perovskite material is limited by technical issues such as (1) moisture and oxygen-proof process environment, (2) unstable product in atmospheric environment, and (3) inability to successfully gr

Method used

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[0017]FIG. 1 is a cross-sectional schematic diagram of a perovskite composite structure according to an embodiment of the invention.

[0018]Referring to FIG. 1, a perovskite composite structure 100 of the present embodiment includes a light absorption layer 110 and a sterically-hindered layer 120.

[0019]The light absorption layer 110 includes a perovskite material. In the invention, “perovskite material” refers to a material having a “perovskite structure” and not calcium titanate (CaTiO3) in particular. In other words, “perovskite material” contains any material having a crystal structure of a similar type to perovskite oxide. The perovskite material has the structure shown in formula (1) below:

ABX3  (1),

wherein A and B are cations and X is an anion. The A cation is monovalent and the B cation is divalent.

[0020]For instance, in the present embodiment, A is, for instance, ammonia, methylamine, methanimidamide, aminomethanamidine, formamidine, ethylenediamine, dimethylamine, imidazole, ace

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Abstract

A perovskite composite structure is provided. The perovskite composite structure includes a light absorption layer and a sterically-hindered layer disposed in the periphery of the light absorption layer. The light absorption layer includes a perovskite material. The sterically-hindered layer includes a two-dimensional material.

Description

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Claims

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Application Information

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Owner WINBOND ELECTRONICS CORP
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