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Organic solar cell

A solar cell and organic technology, applied in the field of solar cells, can solve the problems of easily affecting the electrical properties such as the resistance of the solar cell device, the open circuit voltage fill factor, etc., and achieve the effects of improving the photoelectric conversion efficiency, enhancing the absorption, and increasing the photocurrent.

Inactive Publication Date: 2012-10-24
SUZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of this technology is that the direct contact between the metal nano film and the photovoltaic layer is easy to affect the electrical properties of the solar cell device resistance, open circuit voltage, and fill factor.

Method used

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  • Organic solar cell
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Embodiment Construction

[0038] The embodiment of the present invention discloses an organic solar cell, comprising:

[0039] first electrode;

[0040] second electrode;

[0041] a photoactive layer interposed between the first electrode and the second electrode;

[0042] an electron transport layer interposed between the first electrode and the photoactive layer;

[0043] a hole transport layer, between the second electrode and the photoactive layer,

[0044] Wherein, the electron transport layer and / or the hole transport layer are provided with metal nanoparticles.

[0045] In the present invention, metal nanoparticles are arranged in the electron transport layer and / or the hole transport layer, and the light absorption is enhanced through the surface plasmon effect of the metal nanoparticles, so that the photocurrent of the device is increased, thereby significantly improving the performance of the organic solar cell device. Photoelectric conversion efficiency; at the same time, since the metal...

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Abstract

The invention provides an organic solar cell. Metal nano-particles are arranged in an electronic transmission layer and / or hole transmission layer, light adsorption is enhanced by the surface plasma effect of the metal nano-particles, and the photocurrent of a device is increased so as to obviously improve the photon to current conversion efficiency of the organic solar cell device. Meanwhile, because the metal nano-particles are positioned in the electron transmission layer and / or hole transmission layer, the metal nano-particles are prevented from directly contacting with an optical activity layer, and therefore the electrical properties, such as device resistance, open-circuit voltage, and fill factors, are not affected.

Description

technical field [0001] The invention belongs to the technical field of solar cells, in particular to an organic solar cell. Background technique [0002] Due to the advantages of low cost, light weight, simple preparation process, good flexibility of organic materials, and wide source of materials, organic solar cells have potential application value and are a new direction for the development of solar energy. [0003] At present, the conversion efficiency of polymer-based organic solar cells has exceeded 8%. Although the research of organic solar cells has made significant progress, compared with the inorganic solar cells that dominate the current application field, the main problem of organic solar cells is still Photoelectric energy conversion efficiency is low. The thickness of the optimal active layer of organic solar cells is between 100-200nm, such a thin layer leads to lower light absorption, which becomes an important factor of low photoelectric conversion efficien...

Claims

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Application Information

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IPC IPC(8): H01L51/44H01L51/42
CPCY02E10/549
Inventor 唐建新程盼盼李艳青
Owner SUZHOU UNIV
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