Anode modifying material of polymer solar battery and modifying method

A solar cell and anode modification technology, which is applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems affecting the long-term stability of solar cells, unstable anode interface, corrosion of anode ITO, etc., and achieve high photoelectric conversion efficiency and low cost , Improve the effect of the work function

Inactive Publication Date: 2015-06-10
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PEDOT:PSS itself has a certain acidity, and long-term use will corrode the anode ITO, which will cause the instability of the anode interface and ultimately affect the long-term stability of the solar cell.

Method used

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  • Anode modifying material of polymer solar battery and modifying method
  • Anode modifying material of polymer solar battery and modifying method
  • Anode modifying material of polymer solar battery and modifying method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The transparent conductive glass sputtered with indium tin oxide (ITO) was ultrasonically cleaned twice with detergent, tap water, deionized water, acetone, and isopropanol in sequence, and dried with nitrogen, and the substrate was treated with UVO. Spin-coat a methyl rhenium trioxide isopropanol solution with a concentration of 1mg / ml at a rotating speed, place it in the air at room temperature for 25 minutes, bake it in the air at 110°C for 10 minutes, cool naturally, and then treat it with ultraviolet ozone (UVO) for 1 minute. Obtain the anode modification layer. Then 20mg / mL of P3HT and PC 60 The mixed solution of BM 1:1 (mass ratio) was directly spin-coated on the above-mentioned anode modification layer at a speed of 800 rpm as the photoelectric active layer. Finally, at 5×10 -5 20nm calcium and 100nm aluminum were vacuum evaporated under Pa to serve as the cathode. In the obtained polymer solar cell, the thickness of the methyl rhenium trioxide film was 100 Å...

Embodiment 2

[0021] The transparent conductive glass sputtered with indium tin oxide (ITO) was ultrasonically cleaned twice with detergent, tap water, deionized water, acetone, and isopropanol in sequence, and dried with nitrogen, and the substrate was treated with UVO. Spin-coat a methyl rhenium trioxide isopropanol solution with a concentration of 10mg / ml at a rotating speed, place it in the air at room temperature for 25 minutes, bake it in the air at 110°C for 10 minutes, cool naturally, and then perform UVO treatment for 15 minutes to obtain an anode modification layer . Then 20mg / mL of P3HT and PC 70 The mixed solution of BM 1:1 (mass ratio) was directly spin-coated on the above-mentioned anode modification layer at a speed of 800 rpm as the photoelectric active layer. Finally, at 5×10 -5 20nm calcium and 100nm aluminum were vacuum evaporated under Pa to serve as the cathode. In the obtained polymer solar cell, the thickness of the methyl rhenium trioxide film was 100 Å. The prep...

Embodiment 3

[0023] The transparent conductive glass sputtered with indium tin oxide (ITO) was ultrasonically cleaned twice with detergent, tap water, deionized water, acetone, and isopropanol in sequence, and dried with nitrogen, and the substrate was treated with UVO. Spin-coat a methyl rhenium trioxide isopropanol solution with a concentration of 7.5mg / ml at a rotating speed, place it in the air at room temperature for 25 minutes, bake it in the air at 110°C for 10 minutes, cool naturally, and then perform UVO treatment for 1 hour to obtain anodic modification. layer. Then 17mg / mL of P3HT and IC 60 The mixed solution of BA 1:1 (mass ratio) was directly spin-coated on the above-mentioned anode modification layer at 800 rpm as the photoelectric active layer. Finally, at 5×10 -5 20nm calcium and 100nm aluminum were vacuum evaporated under Pa to serve as the cathode. In the obtained polymer solar cell, the thickness of the methyl rhenium trioxide film was 100 Å. The prepared device has ...

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Abstract

The invention discloses an anode modifying material of a polymer solar battery and a modifying method and belongs to the technical field of polymer solar batteries. The polymer solar battery comprises a substrate, a transparent conductive metal oxide electrode layer, an anode modifying layer, a photoelectric active layer, a cathode modifying layer (or not provided) and a low work function cathode layer which are sequentially stacked, wherein the anode modifying layer is a methyltrioxorhenium membrane; the transparent conductive metal oxide electrode layer is prepared on the substrate and serves as an anode of the battery; a mixed solution of methyltrioxorhenium and solvent is rotationally coated on a transparent conductive anode and roasted to obtain the anode modifying layer; or the photoelectric active layer, the cathode modifying layer (or not provided) and the low work function cathode layer are prepared on the anode modifying layer sequentially to obtain the polymer solar battery. The methyltrioxorhenium membrane serves as the anode modifying layer, so cavity collection can be realized effectively, the work function of indium tin oxide (ITO) can be increased, and excellent performance is represented in the polymer solar battery.

Description

technical field [0001] The invention belongs to the technical field of polymer solar cell preparation, and in particular relates to a polymer solar cell anode modification material and a modification method thereof. Background technique [0002] At this stage, with the limitation of conventional energy and the increase of environmental protection pressure, many countries have set off an upsurge in the development and utilization of new energy. Among them, solar energy, as a renewable and clean energy, has developed rapidly around the world, especially the use of photovoltaics. Solar cells that provide green new energy due to the effect have broad application prospects. Due to the use of polymer organic materials as photoactive materials, polymer solar cells have the advantages of wide material sources, low price, easy processing, and suitable for making large-area flexible devices. In recent years, they have attracted much attention and become a new concept of solar cells. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/42H01L51/46H01L51/48
CPCY02E10/549
Inventor 谭占鳌李良杰钱德平徐琦
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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