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Tandem organic photovoltaic devices that include a metallic nanostructure recombination layer

A technology of organic photovoltaic devices and metal nanostructures, which is applied in photovoltaic power generation, electric solid-state devices, semiconductor devices, etc., and can solve problems such as reducing short-circuit current density

Active Publication Date: 2017-08-18
CAMBRIOS FILM SOLUTIONS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Electron donors with narrow absorption spectra generally lead to reduced short-circuit current densities (J SC )

Method used

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  • Tandem organic photovoltaic devices that include a metallic nanostructure recombination layer
  • Tandem organic photovoltaic devices that include a metallic nanostructure recombination layer
  • Tandem organic photovoltaic devices that include a metallic nanostructure recombination layer

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Embodiment Construction

[0022] The organic photovoltaic device and its forming method are described in various embodiments herein. It should be understood that variations in each of these embodiments and other embodiments that are not specifically described in order to clarify and / or avoid the length of the disclosure are possible. In addition, the order, amplitude, and composition of the various layers and structures disclosed herein can be changed, changed, divided or subdivided to meet changing performance requirements.

[0023] figure 1 An organic photovoltaic device including an intermediate layer 110 is shown. The intermediate layer 110 includes an electron transport layer 112, a hole transport layer 114, and a metal nanostructure inserted between the active layer 120 and the first electrode 130 of the single junction organic photovoltaic 100 层116. The single junction organic photovoltaic 100 also includes a hole transport layer 140 deposited between the active layer 120 and the second electrode ...

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Abstract

An intermediate layer (110) useful for coupling two individual organic photovoltaic devices (600) to provide a tandem organic photovoltaic device includes a first hole transport layer (114), a first electron transport layer (112), and a metallic nanostructure layer (116) interposed between the first hole transport layer (114) and the first electron transport layer (112). The metallic nanostructure layer (116) provides an efficient recombination point for electrons and holes. The metallic nanostructure layer (116) can include silver nanowires which providing outstanding optical properties and permit the formation of the metallic nanostructure layer (116) using a low temperature, solution based, process that does not adversely affect underlying layers.

Description

[0001] background Technical field [0002] The present invention relates to organic photovoltaic devices, and particularly to intermediate layers for use with tandem organic photovoltaic devices. Background technique [0003] With increasing emphasis on carbon-neutral energy production, and assuming that the earth receives sufficient solar energy, photovoltaics are gaining attention as an attractive energy source. Currently, wafer-based crystalline silicon technology and processes have produced most photovoltaic devices, such as solar cells. Recent developments in organic photovoltaics, particularly in the development of thin-film-based organic photovoltaic devices using organic semiconductors, have shown increased efficiency, sometimes achieving efficiencies higher than 10%. Especially when compared with more conventional silicon wafer-based photovoltaics, due to the relatively easy handling of organic photovoltaic devices such as organic solar cells, inherent physical flexibili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/30H01L51/42H10K99/00
CPCY02E10/549H10K30/57H10K30/352H10K39/12H10K30/30H10K30/82H10K71/60H10K85/111H10K85/113H10K85/215H10K85/1135
Inventor 李宁约翰拿·克兰兹托比亚斯·斯度班佛罗瑞安·玛邱伊塔叶贝·阿麦里克里斯多夫·布拉贝克
Owner CAMBRIOS FILM SOLUTIONS CORP
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