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Organic small molecule solar cell with inversion structure

A solar cell, small molecule technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as metal electrode pollution, achieve the effect of good air and moisture, improve pollution problems, and improve stability.

Inactive Publication Date: 2011-03-30
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the problem that metal electrodes are polluted

Method used

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  • Organic small molecule solar cell with inversion structure
  • Organic small molecule solar cell with inversion structure
  • Organic small molecule solar cell with inversion structure

Examples

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Embodiment 1

[0019] Embodiment 1, an organic small molecule solar cell with an inverse structure, which includes: sequentially preparing a cathode modification layer 2, an organic small molecule electron acceptor film 3, and an electron donor film 4 on the conductive layer of an ITO glass substrate 1 , the anode modification layer 5 and the metal electrode 6 .

[0020] The material of the cathode modification layer 2 is Ca with a low work function, and the thickness is 1 nanometer; the material of the organic small molecule electron acceptor film 3 is carbon 60C 60 The material of the electron donor film 4 is copper phthalocyanine CuPc; the material of the anode modification layer 5 is MoO 3 , with a thickness of 8 nanometers; the metal electrode 6 is used as an anode, and the material is Ag.

[0021] When preparing the cathode modification layer 2, the evaporation rate of Ca was 0.02 nm / s.

[0022] When preparing the anode modification layer 5, MoO 3 The evaporation rate is 0.2 nm / s. ...

Embodiment 2

[0034] Embodiment two, the difference between embodiment two and embodiment one is: the material of cathode modification layer 2 is Mg, and thickness is 2 nanometers, and the material of organic small molecule electron acceptor thin film 3 is material carbon seventy C 70 , the material of the metal anode 6 is Au.

Embodiment 3

[0035] Example 3. The difference between Example 3 and Example 1 is that the material of the cathode modification layer 2 is Ce, and the material of the electron donor film 4 is Pentacene, with a thickness of 25 nanometers.

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Abstract

The invention discloses an organic small molecule solar cell with an inversion structure, relating to a solar cell. The organic small molecule solar cell comprises a cathode modification layer (2), an organic small molecule electron acceptor film (3), an electron donor film (4), an anode modification layer (5) and a metal electrode (6) which are sequentially manufactured on a conductive layer of an ITO (Indium Tin Oxide) glass substrate (1). The cathode modification layer (2) adopts a metal material with low work function and the thickness of 1-2nm; the material of the organic small molecule electron acceptor film (3) is C60 or C70; the material of the electron donor film (4) is CuPc or Pentacene; and the material of the anode modification layer (5) is MoO3 with the thickness of 8-10nm. The invention solves the problem of the pollution to the traditional metal electrode.

Description

technical field [0001] The invention belongs to the structure of an organic solar cell in the field of organic photoelectric technology, and in particular relates to a novel organic small molecule inversion solar cell and a preparation method thereof. Background technique [0002] At present, humans still mainly rely on fossil fuels to obtain the energy they need. However, they face two unavoidable problems. The non-renewability of fossil fuels determines the continuous depletion of fossil fuels. The greenhouse effect restricts the development of human society and economy, and seriously deteriorates the living environment of human beings. It is urgent to develop environmentally friendly new energy sources. [0003] As an inexhaustible green energy source, solar energy is favored and has become an important direction for people to study new energy sources. A solar cell is a device that converts the energy of solar radiation into electrical energy. At present, the energy co...

Claims

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Application Information

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IPC IPC(8): H01L51/42H01L51/44H01L51/46H01L51/48
CPCY02E10/549
Inventor 张福俊卓祖亮徐征王永生
Owner BEIJING JIAOTONG UNIV
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