Technological process for manufacturing cadmium telluride film solar cells
A technology of thin-film solar cells and process methods, applied in the direction of sustainable manufacturing/processing, circuits, electrical components, etc., can solve the problems of low utilization rate of raw materials, low photoelectric conversion efficiency, complex equipment structure, etc., and achieve high utilization rate of raw materials, High photoelectric conversion efficiency and fast film formation
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Embodiment 1
[0031] A kind of technological method of making cadmium telluride thin-film solar cell, its steps are:
[0032] 1) Conductive glass cleaning;
[0033] 2) Vacuum evaporation deposition of cadmium sulfide;
[0034] Put the conductive glass cleaned in step 1 into a vacuum coating machine, vacuumize to 0.01pa, and the temperature is room temperature, and grow a cadmium sulfide film with a thickness of 50nm;
[0035] 3) Using gas transport to deposit cadmium telluride;
[0036] In the conductive glass grown with a certain thickness of cadmium sulfide film, in the gas transport deposition equipment, the equipment is evacuated to 1pa, the conductive glass is heated to 400 degrees Celsius, 0.1kg of cadmium telluride powder is put in the deposition source, and the deposition source Heating to 500 degrees Celsius, feeding gas into the deposition source, the conductive glass moves under the deposition source, the deposition time is 1 minute, and a cadmium telluride film with a thicknes...
Embodiment 2
[0045] A kind of technological method of making cadmium telluride thin-film solar cell, its steps are:
[0046] 1) Conductive glass cleaning;
[0047] 2) Vacuum evaporation deposition of cadmium sulfide;
[0048] Put the conductive glass cleaned in step 1 into a vacuum coating machine, evacuate to 0.008pa, keep the temperature at room temperature, and grow a cadmium sulfide film with a thickness of 100nm;
[0049] 3) Using gas transport to deposit cadmium telluride;
[0050] In the conductive glass grown with a certain thickness of cadmium sulfide film, in the gas transport deposition equipment, the equipment is vacuumed to 30pa, the conductive glass is heated to 600 degrees Celsius, 2kg of cadmium telluride powder is put in the deposition source, and the deposition source is heated. At 700 degrees Celsius, gas is introduced into the deposition source, the conductive glass moves under the deposition source, the deposition time is 4 minutes, and a cadmium telluride film with ...
Embodiment 3
[0059] A kind of technological method of making cadmium telluride thin-film solar cell, its steps are:
[0060] 1) Conductive glass cleaning;
[0061] 2) Vacuum evaporation deposition of cadmium sulfide;
[0062] Put the conductive glass cleaned in step 1 into a vacuum coating machine, evacuate to 0.001pa, keep the temperature at room temperature, and grow a cadmium sulfide film with a thickness of 300nm;
[0063] 3) Using gas transport to deposit cadmium telluride;
[0064] In the conductive glass grown with a certain thickness of cadmium sulfide film, in the gas transport deposition equipment, the equipment is vacuumed to 70pa, the conductive glass is heated to 800 degrees Celsius, 5kg of cadmium telluride powder is put in the deposition source, and the deposition source is heated. At 900 degrees Celsius, gas is introduced into the deposition source, the conductive glass moves under the deposition source, the deposition time is 8 minutes, and a cadmium telluride film with ...
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