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Cascade polymer solar cell and preparing method thereof

A technology of solar cells and polymers, applied in the field of solar cells, can solve the problems of difficult design of polymer solar cells and high requirements for production technology, and achieve the effects of reduced design costs, good compactness, and mild conditions

Active Publication Date: 2013-05-08
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the problems in the prior art that the design of polymer solar cells is difficult and the requirements for the production process are high, the present invention provides a polymer cascade battery structure that basically separates the electrical design from the optical design and has a long service life

Method used

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  • Cascade polymer solar cell and preparing method thereof
  • Cascade polymer solar cell and preparing method thereof
  • Cascade polymer solar cell and preparing method thereof

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Embodiment Construction

[0032] The present invention will be described in detail below in conjunction with the accompanying drawings and specific examples, but the present invention is not limited thereto.

[0033] figure 2 Shown is the overall structure diagram of the cascaded polymer solar cell of the present invention, including a substrate, two battery cells, an ALD spacer layer, and an ALD packaging layer.

[0034] Such as image 3 As shown, the cascaded battery in the example of the present invention is a thin film layer structure, from the substrate side to the light incident side, in order: substrate 1, metal cathode thin film layer and its buffer layer 2, the first type of absorption spectrum polymer photoelectric Conversion layer 3, transparent anode layer 4, atomic layer deposition aluminum oxide film spacer layer 5, transparent cathode layer and its buffer layer 6, polymer photoelectric conversion layer of the second type of absorption spectrum 7, transparent anode layer 8, flexible ato...

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Abstract

The invention discloses a cascade polymer solar cell and a preparing method of the cascade polymer solar cell. The solar cell comprises a substrate, two (or more than two) cell units, interval layers connecting all layers and a packaging layer packaging the polymer solar cell. The two (or more than two) cell units are electrically separated by the transparent interval layers formed by usage of atomic layer deposition (ALT) technology, absorption of solar spectrums of each cell is not influenced, and integral sunlight absorptivity of the cascade cell can also be optimized through adjustment of the thickness of the interval layer. In addition, the design basically separates electrical design from optical design, and design cost is effectively reduced. Meanwhile, ALD film has the advantages of being good in compactness and good in adhesion and the like, can effectively protects the cell units below the film layer from being eroded by water and oxygen in outside air, and plays a role in packaging and prolongs service life of the cell.

Description

technical field [0001] The invention belongs to the field of solar cells, in particular to a cascaded polymer solar cell and a preparation method thereof. Background technique [0002] Energy issues have always been hot issues affecting human survival and development. With the expansion of the economy, the demand for energy continues to soar, and the consumption of traditional fossil energy is huge. Fossil energy is a non-renewable resource, and the excessive use of fossil energy by humans will inevitably cause serious environmental problems. Therefore, the development of pollution-free and renewable new energy is an urgent task for mankind. Solar energy is a clean, efficient and inexhaustible new energy source, and it will definitely be an important new energy source that human beings rely on in the future. [0003] The application of solar cells began with the development of the aerospace industry in the middle of the last century. So far, it can be divided into three ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/44H01L51/48
CPCY02E10/549Y02P70/50
Inventor 甄红宇李衎李海峰刘旭
Owner ZHEJIANG UNIV
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