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High-efficiency flexible dye-sensitized solar cell and preparation method thereof

A technology of solar cells and dye sensitization, which is applied to the structure and preparation of high-efficiency flexible dye-sensitized solar cells. temporary effect

Inactive Publication Date: 2014-01-22
EAST CHINA NORMAL UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the research of flexible DSC has made some progress, the core problem is still not solved, and the battery efficiency is relatively low

Method used

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  • High-efficiency flexible dye-sensitized solar cell and preparation method thereof
  • High-efficiency flexible dye-sensitized solar cell and preparation method thereof
  • High-efficiency flexible dye-sensitized solar cell and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0031]Example 1, polymer / plastic substrate flexible dye-sensitized solar cell

[0032] figure 1 Shown is a schematic diagram of the cross-sectional structure of the flexible polymer / plastic substrate. This flexible dye-sensitized solar cell (DSC) consists of a photoanode, a counter electrode, and an electrolyte 6 between the two electrodes. Wherein, the photoanode includes a plastic substrate 1, a transparent conductive film 2 plated on the surface of the plastic substrate 1, a porous metal oxide film 3 deposited on the surface of the transparent conductive film 2, and a porous metal oxide film adsorbed on the surface of the porous metal oxide film 3. Layer Dye Molecules 4. The counter electrode includes a plastic substrate 1 , a transparent conductive film 2 plated on the surface of the plastic substrate 1 , and a catalyst film 5 attached to the transparent conductive film 2 .

[0033] In this embodiment, the conductive substrate is a plastic substrate 1 coated with a tran...

Embodiment 2

[0050] Example 2, metal substrate flexible dye-sensitized solar cell

[0051] Such as Figure 5 Shown is a schematic cross-sectional structure of a flexible dye-sensitized solar cell on a metal substrate. In this embodiment, the metal substrate 11 is used as the conductive substrate of the photoanode, and the metal substrate 11 is a titanium sheet. The metal substrate 11 can also be a stainless steel sheet or other metal sheets. Other content is the same as embodiment 1.

[0052] The preparation process of the metal substrate flexible dye-sensitized solar cell in this example is as follows:

[0053] 1) Preparation of photoanode

[0054] To prepare metal oxide slurry, such as silicon oxide slurry, mix metal oxide nanopowder with volatile organic solvents such as ethanol, isopropanol or acetone in a ratio of 1:100~50:100, and stir magnetically for more than 2 hours. Such as Figure 5 As shown, the metal substrate 11 is used as the conductive substrate of the photoanode, an...

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Abstract

The invention discloses a high-efficiency flexible dye-sensitized solar cell comprising a photoanode, a counter electrode and an electrolyte filling the space between the two electrodes. Moreover, the dye-sensitized solar cell is characterized in the photoanode includes a conductive substrate, a porous metallic oxide film, and dyes absorbed on the porous metallic oxide film; the counter electrode includes a conductive substrate and a catalyst film deposited on the conductive substrate. Besides, neck structure are formed between metallic oxide particles in the porous metallic oxide film by bridging. In addition, the invention also discloses a method for preparing the high-efficiency flexible dye-sensitized solar cell. According to the invention, the light current of the cell is enhanced; the cell efficiency is improved; the production energy consumption during the preparation process is reduced; and the production efficiency is improved.

Description

technical field [0001] The invention relates to a solar cell and a preparation method thereof, in particular to a structure and a preparation method of a high-efficiency flexible dye-sensitized solar cell. Background technique [0002] Nanocrystalline dye-sensitized solar cell (DSC) is a semiconductor optoelectronic device that directly converts solar energy into electrical energy based on the principle of photovoltaics, using a dye-sensitized porous nanostructured film as a photoanode. It is developed along with the development of semiconductor electrochemistry. A new field of scientific research. In 1991, the research team led by Professor Grötzel of the Lausanne Institute of Technology, Switzerland, used nano-TiO with a high specific surface area 2 The porous film is used as the semiconductor electrode, and the organometallic compound such as Ru is used as the photosensitizing dye, and the appropriate redox electrolyte is selected as the medium to assemble TiO 2 Nanocry...

Claims

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Application Information

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IPC IPC(8): H01G9/20
CPCY02E10/542
Inventor 黄素梅张丁文李晓冬沈洁尹希江
Owner EAST CHINA NORMAL UNIV
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