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Nanometer semiconductor solar cell and preparation method thereof

A technology of solar cells and nano-semiconductors, applied in semiconductor/solid-state device manufacturing, semiconductor devices, circuits, etc., can solve the problems of low photoelectric conversion efficiency and large series resistance, etc., and achieve improved photoelectric conversion efficiency, small series resistance and energy consumption low effect

Pending Publication Date: 2022-03-08
深圳市贝尔太阳能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above-mentioned batteries still have the defects of low photoelectric conversion efficiency and large series resistance.

Method used

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  • Nanometer semiconductor solar cell and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0030] A nano-semiconductor solar cell and its preparation method, characterized in that it includes a planar electrode and a semiconductor battery slurry; the semiconductor battery slurry is made from the following components in parts by weight: 3 parts of conductive agent, heterogeneous 5 parts of doped inorganic semiconductor particles, 3 parts of organic semiconductor nanowires, 6 parts of film-forming substances, 0.8 parts of hyperbranched polyaniline modified carbon nanotubes, and 8 parts of solvent.

[0031] The solvent is a mixture formed by mixing isopropanol, ethanol, ethylene glycol, and hyperbranched polyglycerol at a mass ratio of 3:1:1:2; The method in embodiment 1 is made; Described film-forming substance is chitosan quaternary ammonium salt; The degree of substitution of described chitosan quaternary ammonium salt is 60%, and number average molecular weight is 80,000. The organic semiconductor nanowires are prepared according to the method of Example 1 in CN 10...

Embodiment 2

[0035] A nano-semiconductor solar cell and a preparation method thereof, characterized in that it includes a planar electrode and a semiconductor battery slurry; the semiconductor battery slurry is made of the following components in parts by weight: 3.5 parts of a conductive agent, a heterogeneous 6 parts of doped inorganic semiconductor particles, 3.5 parts of organic semiconductor nanowires, 7 parts of film-forming substances, 0.9 parts of hyperbranched polyaniline modified carbon nanotubes, and 9 parts of solvent.

[0036] The solvent is a mixture formed by mixing isopropanol, ethanol, ethylene glycol, and hyperbranched polyglycerol in a mass ratio of 3.5:1:1.2:2; The method in Example 1 is made; the film-forming substance is polyvinyl alcohol; the number average molecular weight of the polyvinyl alcohol is 1000; the organic semiconductor nanowire is made according to the method of Example 1 in CN 102738416 A .

[0037] The preparation method of the heterogeneously doped in...

Embodiment 3

[0040] A nano-semiconductor solar cell and its preparation method, characterized in that it includes a planar electrode and a semiconductor battery slurry; the semiconductor battery slurry is made of the following components in parts by weight: 4 parts of conductive agent, heterogeneous 6.5 parts of doped inorganic semiconductor particles, 4 parts of organic semiconductor nanowires, 8 parts of film-forming substances, 1.2 parts of hyperbranched polyaniline modified carbon nanotubes, and 11 parts of solvent.

[0041] The solvent is a mixture formed by mixing isopropanol, ethanol, ethylene glycol, and hyperbranched polyglycerol in a mass ratio of 4:1:1.5:2; The method in Example 1 is made; the film-forming substance is poly-N-methylpyrrolidone; the number-average molecular weight of the poly-N-methylpyrrolidone is 900; the organic semiconductor nanowire is implemented according to CN 102738416 A The method of example 1 is made.

[0042] The preparation method of the heterogeneo...

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Abstract

The invention discloses a nanometer semiconductor solar cell and a preparation method thereof, and the nanometer semiconductor solar cell is characterized in that the nanometer semiconductor solar cell comprises a planar electrode and semiconductor cell slurry; the semiconductor battery slurry is prepared from the following components in parts by weight: 3-5 parts of a conductive agent, 5-8 parts of heterogeneous doped inorganic semiconductor particles, 3-5 parts of organic semiconductor nanowires, 6-10 parts of a film forming substance, 0.8-1.5 parts of hyperbranched polyaniline modified carbon nanotubes and 8-13 parts of a solvent. The invention also provides a preparation method of the semiconductor cell. The semiconductor cell disclosed by the invention is low in preparation cost, relatively high in ohmic contact characteristic, relatively low in series resistance, high in photoelectric conversion efficiency and long in cycle service life.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a nano-semiconductor solar battery and a preparation method thereof. Background technique [0002] With the depletion of fossil energy and the aggravation of global warming, the utilization of solar energy is receiving more and more attention. Solar cells are the core devices that convert solar energy into electrical energy. High-efficiency solar cells have important applications in aerospace and space exploration. The large-scale application of low-cost high-efficiency solar cells can alleviate the energy crisis, reduce greenhouse gas emissions, and benefit future generations. Among them, semiconductor solar cells are characterized by their high conversion efficiency [0003] It is recognized as the most potential ground-based power generation technology with high efficiency and large power generation cost reduction space. [0004] Photovoltaic cells made of compound semic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/42H01L51/46H01L51/48
CPCH10K71/12H10K85/00H10K30/00Y02E10/549
Inventor 袁志刚
Owner 深圳市贝尔太阳能技术有限公司
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