Preparation method of non-hydrazine group solution of Cu2ZnSnS4 solar cell absorbing layer film
A technology of solar cells and absorbing layers, applied in chemical instruments and methods, circuits, electrical components, etc., can solve the problems of large-scale industrialization restrictions, toxic safety, etc., and achieve stable physical and chemical properties of raw materials, wide practicability, and good safety Effect
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Embodiment 1
[0030] First, 2.387 g CuCl 2 2H 2 O, 1.230 g ZnCl 2 , 1.796 g SnCl 2 2H 2 O, 0.384 g hydroxyethylamine, 1.2179 g thioacetamide, dissolved in 20 ml ethanol solvent, stirred well at room temperature until light yellow transparent solution.
[0031] Next, immerse the soda-lime glass on the Mo-coated substrate in the above transparent solution, and pull it out of the liquid surface at a rate of 1-2 cm / min. The following examples are the same. After placing the glass piece at an angle for 2 minutes, put it in an oven at 130 °C , and dried for 5 min under non-blast conditions; then the pulling and drying process was repeated 3 times to obtain a prefabricated film.
[0032] Finally, the prefabricated film sample and selenium particles were placed in the graphite box, and the selenium particles were placed in the groove under the film sample, and the selenium vapor could fill the entire graphite box through the slot hole, and the graphite box was placed in the tubular annealing fu...
Embodiment 2
[0035] First, 2.387 g CuCl 2 2H 2 O, 1.230 g ZnCl 2 , 1.796 g SnCl 2 2H 2 O, 0.384 g hydroxyethylamine, 1.2179 g thioacetamide, dissolved in 20 ml ethanol solvent, fully stirred at room temperature until light yellow transparent solution;
[0036] Next, immerse the soda-lime glass on the Mo-coated substrate in the above transparent solution, and pull it out of the liquid surface at a rate of 1-2 cm / min. The following examples are the same. After placing the glass sheet at an angle for 2 minutes, put it in an oven for 130 Dry at ℃ for 30 minutes, dry under non-blast conditions, and repeat the coating twice to obtain a prefabricated film;
[0037] Finally, put the prefabricated film sample and selenium particles in the graphite box, the selenium particles are placed in the groove under the film sample, the selenium vapor can fill the whole graphite box through the slot hole, and the graphite box is placed in the tube annealing furnace. N 2 The annealing treatment was carri...
Embodiment 3
[0039] First, 0.341 g CuCl 2 2H 2 O, 0.176 g ZnCl 2 , 0.256 g SnCl 2 2H 2 O, 0.055 g hydroxyethylamine, 0.174 g thioacetamide, dissolved in 20 ml ethanol solvent, fully stirred at room temperature until light yellow transparent solution;
[0040] Next, immerse the soda-lime glass on the Mo-coated substrate in the above transparent solution, pull it out of the liquid surface, place the glass piece at an angle for 2 minutes, put it in an oven to dry at 170°C for 5 minutes, and dry it under non-blast conditions, repeat Coated 3 times to obtain a prefabricated film;
[0041] Finally, put the prefabricated film sample and selenium particles in the graphite box, the selenium particles are placed in the groove under the film sample, the selenium vapor can fill the whole graphite box through the slot hole, and the graphite box is placed in the tube annealing furnace. N 2 The annealing treatment was carried out under the protection of the atmosphere, and the temperature program w...
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