Multi layer organic thin film solar cell

A technology of solar cells and organic thin films, applied in the field of multilayer organic thin film solar cells, which can solve the problems of layer thickness variation and difficulty in implementing electrical properties of organic molecular layers

Inactive Publication Date: 2012-07-18
瑞士材料试验研究所
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Problems solved by technology

Another disadvantage is the possible variation of the resulting layer thickness, which in turn can lead to d

Method used

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  • Multi layer organic thin film solar cell
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Embodiment Construction

[0025] The multilayer organic thin-film solar multilayer 0 of the present invention includes different adjacent independent ordered layers with different electrical properties. in figure 1 In the described multilayer structure, the cathode layer 1 is shown, and the organic receptor layer 2 is placed adjacent to it. The organic donor layer 3 is placed adjacent to the acceptor layer 2, followed by the organic conductive anode layer 4 and the substrate layer 5.

[0026] The cathode layer 1 is usually made of metal and therefore conductive. The substrate layer 5 is also conductive but must be light-transmissive, and has a certain degree of light transmission to visible light.

[0027] The acceptor layer 2 is an n-type organic semiconductor layer, and the active layer 3 is a p-type organic semiconductor layer, and the band gap is defined by the interval between HOMO and LUMO.

[0028] The preferred material for the acceptor layer 2 is a material with high electron affinity, such as fuller

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Abstract

The disclosed invention consists of high efficiency organic solar cells (0) with a multi layer structure, consisting of cathode layer (1), organic acceptor layer (2), organic donor layer (3), conductive anode layer (4) and a substrate layer (5), where an adjustment of electronic levels of separated layers is achieved by introduction of at least one intermediate matching layer (x). In conjunction with the selection of active layer (3) consisting of cyanine dyes with appropriate counterions (e.g. hexafluorophosphate), high performance organic solar cells with long lifetimes can be fabricated with a fast and simple manufacturing method.

Description

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Claims

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Application Information

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Owner 瑞士材料试验研究所
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