Device and method for preparing bismuth ferrite thin film and method for preparing solar cell
A technology of solar cells and bismuth ferrite, applied in the field of solar cells, can solve the problem that it is difficult to obtain a thin film with a specific texture and the like, and achieve the effect of a simple device structure
Active Publication Date: 2017-06-13
嘉兴巨腾信息科技有限公司
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Problems solved by technology
However, these methods are difficult to obtain films with specific textures
Method used
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[0031] The present invention will be further described below in conjunction with drawings and embodiments.
[0032] Such as figure 1 and figure 2 As shown, a device 3 for preparing a bismuth ferrite film with texture features includes a crucible body 1 and a crucible cover 2; the crucible cover 2 cooperates with the crucible body 1 for sealing the crucible body 1; The crucible body 1 includes a bottom surface and a side wall, and the inner cavity of the crucible body is used to place a bismuth ferrite film; the side wall of the crucible body 1 is symmetrically provided with two identical vent holes 11; each vent hole 11 All are plugged with a vent pipe 6, and the vent pipe 6 is a quartz tube or a high-temperature-resistant alloy tube.
[0033] The ventilation pipe 6 of this embodiment is a high temperature resistant alloy pipe. The outer peripheral surface of the vent pipe 6 is stepped, and the vent pipe 6 contains a large end and a small end, and the small end is plugged ...
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The invention discloses a device for preparing a bismuth ferrite thin film with texture characteristics, mainly in that two identical air holes are symmetrically arranged on the side wall of a crucible body, and an air pipe is connected to the air holes. The device is used to prepare bismuth ferrite film, and the existing method is used to deposit bismuth ferrite film on the substrate, and in the annealing step, the bismuth ferrite film is placed in the inner cavity of the crucible of the device, so that the center line of the vent tube passes through the bismuth ferrite thin film, the device is placed in a tube furnace to anneal the bismuth ferrite thin film directionally. In the annealing process, a small amount of oxygen is used to make oxygen flow directionally on the surface of the bismuth ferrite film, so that the crystal grains of the bismuth ferrite film grow faster in the direction of oxygen flow, forming texture characteristics. By adopting the method, the bismuth ferrite thin film in the bismuth ferrite thin film solar cell is formed with texture characteristics so as to obtain the bismuth ferrite thin film solar cell with texture characteristics.
Description
technical field [0001] The invention belongs to the field of solar cells, and in particular relates to a device for preparing a bismuth ferrite thin film with texture characteristics, a method for preparing a bismuth ferrite thin film with texture characteristics, and a bismuth ferrite thin film solar cell with texture characteristics Methods. 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 arsen...
Claims
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IPC IPC(8): C23C26/00H01L31/0445
CPCY02E10/50
Inventor 符春林高荣礼蔡苇陈刚邓小玲
Owner 嘉兴巨腾信息科技有限公司