Antivacuum alkali metal doping method for flexible substrate copper indium gallium selenide (CIGS) solar battery
A copper indium gallium selenide and solar cell technology, applied in circuits, electrical components, climate sustainability, etc., can solve the problems of difficulty in uniformity control, high production cost, large equipment investment, etc., so as to reduce production costs and production costs. Low, simplified effect of process steps
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Embodiment 1
[0021] figure 1 It is a process schematic diagram of the non-vacuum alkali metal doping method of the flexible substrate copper indium gallium selenium solar cell of the present invention, as figure 1 As shown in the embodiment, the treatment solution 11 is a mixed solution prepared with deionized water, methanol, and ethylene glycol in a certain ratio (1:2:1), and NaF compound is added to the mixed solution, and stirred to make it fully Dissolved and prepared into chemical treatment solutions with different concentrations (0.05wt.%~1wt.%); the flexible substrate 10 with deposited Mo thin film is immersed in the treatment solution, after soaking for 30 seconds to 10 minutes, take out the sample, remove After removing moisture from the sample surface, the Na compound film deposition is complete.
[0022] According to the present invention, the non-vacuum alkali metal doping method of a flexible substrate copper indium gallium selenide solar cell includes the following specific...
Embodiment 2
[0031] The process of applying the non-vacuum alkali metal doping method of the flexible substrate copper indium gallium selenium solar cell of the present invention is as follows figure 1 As shown, the treatment solution 11 is a mixed solution prepared with deionized water, methanol, and ethylene glycol in a certain ratio (1:2:1), and NaF compound is added to the mixed solution, and it is fully dissolved by stirring to prepare into chemical treatment solutions with different concentrations (1wt.%~5wt.%); the flexible substrate 10 with the deposited Mo thin film is immersed in the treatment solution, after soaking for a period of time (30 seconds~10 minutes), take out the sample, remove After removing moisture from the sample surface, the Na compound film deposition is complete.
[0032] According to this embodiment, the above-mentioned step 2, preparing the alkali metal treatment solution, may be, adding NaF compound into the mixed solution, stirring to fully dissolve it, and...
Embodiment 3
[0034] The processing technology of the non-vacuum alkali metal doping method for flexible copper indium gallium selenide solar cells using the method of the present invention is as follows: figure 1 As shown, the treatment solution 11 is a mixed solution prepared with deionized water, acetone, and ethanol according to a certain ratio (1:1:1), and NaF compound is added to the mixed solution, and it is fully dissolved by stirring to prepare different solutions. Concentration (0.05wt.% ~ 5wt.%) chemical treatment solution. image 3 It is an electron micrograph of the alkali metal NaF thin film (processing solution concentration is 0.5wt.%) prepared by the present invention deposited on the flexible substrate with Mo thin film.
[0035] According to this embodiment, the above-mentioned step 2, preparation of the alkali metal treatment solution may be that the treatment solution 11 is a mixed solution prepared by deionized water, acetone, and ethanol in a ratio of 1:1:1, and NaF c...
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