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Dye sensitization solar energy cell with oriented carbon nanotube film as counter electrode

A technology for oriented carbon nanotubes and solar cells, applied in the field of solar cells, can solve problems such as reducing charge separation and transmission

Active Publication Date: 2013-10-16
宁国市龙晟柔性储能材料科技有限公司
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Problems solved by technology

However, since the random dispersion of carbon nanotubes reduces the separation and transport of charges, in order to further improve the efficiency of organic solar cells based on carbon nanotube counter electrodes, it is urgent to obtain counter electrodes with aligned carbon nanotube films, thereby improving the efficiency of the battery. performance

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  • Dye sensitization solar energy cell with oriented carbon nanotube film as counter electrode
  • Dye sensitization solar energy cell with oriented carbon nanotube film as counter electrode
  • Dye sensitization solar energy cell with oriented carbon nanotube film as counter electrode

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Embodiment Construction

[0029] The specific process of preparation is as follows:

[0030] First, the synthesis of aligned carbon nanotube arrays.

[0031] Vertically grown carbon nanotube arrays with Fe(1nm) / Al 2 o 3 (10nm) / SiO 2 / Si as a catalyst was synthesized using typical chemical vapor deposition in a quartz tube of a tube furnace. Al in the catalyst 2 o 3 It is located in the middle of the silicon wafer and Fe, as a buffer layer, and Fe as a catalyst. They are prepared by depositing a nanometer-thick film on a silicon wafer by an electron beam evaporation coating device. Using chemical vapor deposition method, ethylene is used as carbon source, argon and hydrogen are used as carrier gas, and high-degree Celsius-oriented carbon nanotube arrays are synthesized on Si substrates with oxide layers. The details of the synthesis and the self-assembly of carbon tubes in fibers can be referred to the existing literature reports.

[0032] Second, the preparation of fuel-sensitized solar cells bas...

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Abstract

The invention belongs to the solar energy cell preparation field, concretely providing a dye sensitization solar energy cell with an oriented carbon nanotube as a counter electrode. According to the dye sensitization solar energy cell, a height oriented carbon nanotube film is taken as material, through solvent and a heat treatment, the film is firmly connected to an FTO glass surface to form a counter electrode, and the counter electrode is used for constructing the dye sensitization solar energy cell. The oriented carbon nanotube film has a good catalytic effect and substitutes for platinum in a counter electrode in a traditional dye sensitization solar energy cell, thus cost is substantially reduced, and the film has good flexibility and strength simultaneously and can be used for constructing a flexible solar energy cell.

Description

technical field [0001] The invention belongs to the technical field of solar cells, and in particular relates to a dye-sensitized solar cell. Background technique [0002] The discovery of carbon nanotubes is a milestone in the history of world science. Since the discovery of carbon nanotubes (Carbon Nanotubes, CNTs) by Iijima in Japan in 1991 [1], carbon nanotubes have been known for their unique high tensile strength, high elasticity, electrical properties from metal to semiconductor, high current load capacity and high thermal conductivity. The unique quasi-one-dimensional tubular molecular structure has many potential application values ​​in the future high-tech field, and has become the focus of attention. [0003] Similarly, carbon nanotubes are widely used in the construction of high-efficiency organic solar cells [2-11]. Carbon nanotubes are dispersed in titanium dioxide slurry to promote electron diffusion [12], and carbon nanotubes can also be dispersed in electr...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G9/042H01G9/20H01M14/00H01L51/44
CPCY02E10/542Y02E10/549Y02P70/50
Inventor 彭慧胜仰志斌陈涛何瑞璇官国振
Owner 宁国市龙晟柔性储能材料科技有限公司
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