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Method for preparing an absorber thin film for photovoltaic cells

A technology of photovoltaic cells and absorbing films, applied in photovoltaic power generation, circuits, electrolytic coatings, etc., can solve the problem of high chemical complexity of selenium

Active Publication Date: 2013-03-27
ELECTRICITE DE FRANCE +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Method for preparing an absorber thin film for photovoltaic cells
  • Method for preparing an absorber thin film for photovoltaic cells
  • Method for preparing an absorber thin film for photovoltaic cells

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Embodiment Construction

[0064] For purposes of clarity, various elements in the figures are not necessarily to scale.

[0065] The invention relates to a method for preparing absorber films for photovoltaic cells. Absorbent film based on A-B-C 2 or A 2 -(D x ,E 1-x )-C 4 Alloys in which 0≤x≤1 and A is an element or mixture of elements selected from Group 11, B is an element or mixture of elements selected from Group 13, and C is an element selected from Group 16 An element or a mixture of elements, D is an element or a mixture of elements selected from Group 12, and E is an element or a mixture of elements selected from Group 14.

[0066] According to an embodiment of the present invention, A is an element or a mixture of elements selected from copper (Cu) and silver (Ag).

[0067] According to an embodiment of the present invention, B is an element or a mixture of elements selected from aluminum (Al), gallium (Ga) and indium (In).

[0068] According to an embodiment of the present invention, ...

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Abstract

The invention relates to a method for preparing an A-B-C2 or A2-(Dx, E[1_x])-C4 absorber thin film for photovoltaic cells where 0<=x<=1, A is an element or mixture of elements selected within Group 11, B is an element or mixture of elements selected within Group 13, C is an element or mixture of elements selected within Group 16, D is an element or mixture of elements selected within Group 12, and E is an element or mixture of elements selected within Group 14. Said method includes: a step (S1) of electrochemically depositing oxide from elements selected from among Groups 11, 12, 13, and 14, a step (S2) of annealing in a reducing atmosphere, and a step (S3) of supplying an element from Group 16.

Description

technical field [0001] The present invention relates to the manufacture of photovoltaic cells, and more particularly to the manufacture of photovoltaic cells suitable for converting solar energy into electrical energy. More particularly, the present invention relates to a method of preparing absorber films suitable for use in photovoltaic cells and to a method of manufacturing solar cells comprising absorber films prepared according to the invention. Background technique [0002] Photovoltaic cells generally have a structure comprising stacked thin films, at least one of which has photovoltaic properties. [0003] Figure 1 shows an example of a photovoltaic cell structure. [0004] As shown in FIG. 1 , photovoltaic cells typically have laminated films disposed on an insulating carrier 12 . Typically, the insulating carrier 12 is a layer of glass. [0005] A molybdenum film 14 with a thickness between 0.5 μm and 1 μm is deposited on the insulating carrier 12 . Molybdenum ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/56C25D3/58C25D9/08H01L31/0216H01L31/032H01L31/0336H01L31/18C25D9/06C25D11/00
CPCH01L31/18H01L31/0749Y02E10/541C25D3/56C25D9/08C25D3/58H01L31/02167H01L31/0322H01L31/0216C25D11/00
Inventor 伊丽扎贝思·查萨因丹尼尔·林科特
Owner ELECTRICITE DE FRANCE