Texturing additive for monocrystalline silicon wafer and application thereof
A single crystal silicon wafer and additive technology, applied in the direction of single crystal growth, single crystal growth, crystal growth, etc., can solve the problems of lowering the photoelectric conversion efficiency of the cell and the discount of the texturing effect, and achieve the best practical value and low cost. , the effect of shortening the texturing time
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[0025] The specific implementation of the present invention will be further described below in conjunction with the examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, but not to limit the protection scope of the present invention.
[0026] The invention provides a method for making texturing of a monocrystalline silicon wafer, and the specific steps include:
[0027] 1) Preparation of wool additives: 0.2% to 4% of natural water-soluble polymers, 0.15% to 0.5% of sodium humate, 1% to 2% of potassium sorbate, 1.5% to 3.5% % sodium acetate is added to the remaining water, and mixed evenly to make a texture additive;
[0028] The natural water-soluble macromolecule is selected from one or more of plant gum, animal glue, alginate;
[0029] The vegetable gum is selected from one or more of hollyhock gum, locust bean gum, soybean gum, and guar gum;
[0030] The animal glue is selected from one or both of bone...
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