Preparation method of nanochain solar cell

A solar cell and nanochain technology, applied in the field of solar cells, can solve the problems of difficulty in obtaining nanowires, complicated preparation process, etc., and achieve the effect of simple preparation method and energy saving.

Active Publication Date: 2017-04-19
嘉兴巨腾信息科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

Regardless of the method, it is difficult to obtain nanowires with a specific orientation, and the preparation process is relatively complicated

Method used

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  • Preparation method of nanochain solar cell
  • Preparation method of nanochain solar cell
  • Preparation method of nanochain solar cell

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Embodiment

[0040] Step 1) Preparation of electrodes

[0041] Taking the pulsed laser deposition method as an example, other methods such as magnetron sputtering, sol-gel method, etc. may also be used. to La 0.7 Sr 0.3 MnO 3 As the lower electrode as an example, other materials can also be used, such as conductive oxide ITO, La 0.5 Sr 0.5 CoO 3 etc. Or Metal, Au, Pt, Ag etc. First in SrTiO 3 Substrates (of course, other types of substrates, silicon wafers, glass, etc.) are ultrasonically cleaned in acetone and alcohol, and dried; the substrate table is polished with sandpaper, and cleaned, and the dried The substrate is glued on the substrate stage with thermally conductive silver, and then the substrate is blocked with a corresponding mask according to the shape, size and number of electrodes required. After drying, put it in the cavity on the heating table and start vacuuming. Wait until the air pressure reaches 10 -4 Pa, start heating the substrate stage. Note that it should...

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Abstract

The invention discloses a specifically-orientated nanochain solar cell preparation method. The method comprises a first step of preparing electrodes in which a substrate and a surrounding wall are taken, the surrounding wall comprises a side wall and a top wall, a lower electrode is prepared on the upper end surface of the substrate, and an upper electrode is prepared on the lower surface of the top wall, a second step of preparing a container in which the surrounding wall is fixed on the substrate and a container with a sealed structure is obtained, a third step of preparing a magnetoelectric colloid in which magnetic nano particles and ferroelectric sol are prepared, the magnetic nano particles are added to the ferroelectric sol for uniform mixing, a magnetoelectric colloid is obtained, and the magnetoelectric colloid is added to the container, and a fourth step of preparing a nanochain solar cell in which a magnetic field is applied to the container, a magnetic nanochain along the magnetic field direction is obtained, the container is baked while the magnetic field is applied until the magnetoelectric colloid in the container becomes gel, the container is then burnt, and after the surrounding wall of the container is burnt or decomposed, a nanochain solar cell is obtained.

Description

technical field [0001] The invention relates to the technical field of solar cells, in particular to a preparation method of nano chain solar cells. Background technique [0002] The energy crisis is a major problem faced by countries all over the world, and the development of renewable energy is an effective way to alleviate this problem. Among many renewable energy sources, solar energy is favored because of its advantages such as abundant resources, wide distribution, and cleanliness. Photovoltaic power generation is a major form of solar energy development. Its principle is to use the photovoltaic effect to make photovoltaic cells to convert the sun's light energy into electrical energy. Photovoltaic cells are mainly divided into silicon, copper indium selenide, gallium arsenide, cadmium telluride and polymer photovoltaic cells. Thin-film solar cells produced in the existing industry have disadvantages such as low conversion efficiency, poor stability, and relatively h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/18H01L31/0224
CPCH01L31/0224H01L31/18Y02P70/50
Inventor 高荣礼符春林蔡苇邓小玲陈刚
Owner 嘉兴巨腾信息科技有限公司
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