A kind of preparation method of solar cell multifunctional thin film
A solar cell and multi-functional technology, applied in the manufacture of circuits, electrical components, final products, etc., can solve problems such as single function, achieve the effects of reducing backhaul, mild and controllable preparation conditions, and preventing ultraviolet light degradation
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Embodiment 1
[0020] In the first step, tin tetrachloride was dissolved in absolute ethanol to prepare 0.5 mmol L -1 Tin tetrachloride dense layer solution;
[0021] The second step is to use the hydrothermal method to mix and dissolve yttrium trioxide, ytterbium trioxide and europium trioxide in a molar ratio of 8:1.9:0.1 in the nitric acid solution, heat, evaporate and concentrate to obtain the nitric acid containing the above three rare earth ions Salt, dispersed in absolute ethanol, prepared with a total concentration of rare earth ions of 0.2mol L -1 ethanol solution;
[0022] In the third step, according to the volume ratio of 1:20, the ethanol solution containing rare earth ions prepared in the second step is added to the tin tetrachloride dense layer solution prepared in the first step, and stirred evenly;
[0023] The fourth step is to clean the FTO conductive substrate, spin-coat the mixed solution prepared in the third step on the cleaned FTO conductive substrate, first spin-co...
Embodiment 2
[0026] In the first step, tin tetrachloride was dissolved in absolute ethanol to prepare 0.5 mmol L -1 Tin tetrachloride dense layer solution;
[0027] The second step is to use the hydrothermal method to mix and dissolve yttrium trioxide, cerium trioxide and dysprosium trioxide in a molar ratio of 8:1.8:0.2 in the nitric acid solution, heat, evaporate and concentrate to obtain the nitric acid containing the above three rare earth ions Salt, dispersed in absolute ethanol, prepared with a total concentration of rare earth ions of 0.3mol L -1 ethanol solution;
[0028] In the third step, according to the volume ratio of 1:25, the ethanol solution containing rare earth ions prepared in the second step is added to the tin tetrachloride dense layer solution prepared in the first step, and stirred evenly;
[0029] The fourth step is to clean the FTO conductive substrate, spin-coat the mixed solution prepared in the third step on the cleaned FTO conductive substrate, first spin-coa...
Embodiment 3
[0032] In the first step, titanium tetrachloride was dissolved in absolute ethanol to prepare 0.3 mmol L -1 Titanium tetrachloride dense layer solution;
[0033] The second step is to use the hydrothermal method to mix and dissolve yttrium trioxide, ytterbium trioxide, and erbium trioxide in a molar ratio of 8:2:0.1 in a trifluoroacetic acid solution, heat, evaporate and concentrate to obtain the above-mentioned three kinds of rare earth ions Trifluoroacetate, dispersed in absolute ethanol, prepared with a total concentration of rare earth ions of 0.3mol L -1 ethanol solution;
[0034] In the third step, according to the volume ratio of 1:15, the ethanol solution containing rare earth ions prepared in the second step is added to the titanium tetrachloride dense layer solution prepared in the first step, and stirred evenly;
[0035] The fourth step is to clean the FTO conductive substrate, spin-coat the mixed solution prepared in the third step on the cleaned FTO conductive s...
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