Broad spectrum solar cell material and preparation method thereof
A technology of solar cells and wide spectrum is applied in the field of solar cell materials to achieve the effects of improving photoelectric conversion efficiency, broad application prospects and good electron stacking performance
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Embodiment 1
[0022] A wide-spectrum solar cell material, the components and the mass parts of each component are as follows: 20 parts of graphite, 5 parts of silicon carbide, 8 parts of silicon nitride, 1.5 parts of erbium oxide, 8 parts of quantum dots, and cyclopentenedithiophene 30 parts, 15 parts of benzothiadiazole, 5 parts of 1,8-octanedithiol, 0.55 parts of tribasic lead sulfate, free radical scavenger bis(2,2,6,6-tetramethyl -4-piperidinate) 8.5 parts, heat stabilizer dibutyltin dilaurate 5 parts, ultraviolet absorber phenyl salicylate 10 parts. The particle size of silicon carbide is 0.35~0.7nm.
[0023] The preparation method comprises the steps of:
[0024] 1) Mix cyclopentenedithiophene, benzothiadiazole and 1,8-octanedithiol evenly, heat to 340°C, and keep stirring at 1200rpm for 5h to obtain a copolymer;
[0025] 2) Mix graphite, silicon carbide, silicon nitride, erbium oxide, quantum dots and tribasic lead sulfate, and stir at 70°C for 30 minutes;
[0026]...
Embodiment 2
[0028] A wide-spectrum solar cell material, the components and the mass parts of each component are as follows: 10 parts of graphite, 2 parts of silicon carbide, 3 parts of silicon nitride, 0.8 parts of erbium oxide, 2 parts of quantum dots, and cyclopentenedithiophene 20 parts, 10 parts of benzothiadiazole, 2 parts of 1,8-octanedithiol, 0.15 parts of tribasic lead sulfate, free radical scavenger bis(2,2,6,6-tetramethyl -4-piperidinate) 1.5 parts, heat stabilizer dibutyltin dilaurate 1 part, ultraviolet absorber phenyl salicylate 3 parts. The particle size of silicon carbide is 0.35~0.7nm.
[0029] The preparation method comprises the steps of:
[0030] 1) Mix cyclopentenedithiophene, benzothiadiazole and 1,8-octanedithiol evenly, heat to 340°C, and keep stirring at 1200rpm for 5h to obtain a copolymer;
[0031] 2) Mix graphite, silicon carbide, silicon nitride, erbium oxide, quantum dots and tribasic lead sulfate, and stir at 70°C for 30 minutes;
[0032] 3) Ad...
Embodiment 3
[0034] A wide-spectrum solar cell material, the components and the mass parts of each component are as follows: 17 parts of graphite, 4 parts of silicon carbide, 5.5 parts of silicon nitride, 1.1 parts of erbium oxide, 4.9 parts of quantum dots, cyclopentenedithiophene 25.3 parts, 13.9 parts of benzothiadiazole, 3.3 parts of 1,8-octanedithiol, 0.3 parts of tribasic lead sulfate, free radical scavenger bis(2,2,6,6-tetramethyl -4-piperidinate) 6.5 parts, heat stabilizer dibutyltin dilaurate 4 parts, ultraviolet absorber phenyl salicylate 6.5 parts. The particle size of silicon carbide is 0.35~0.7nm.
[0035] The preparation method comprises the steps of:
[0036] 1) Mix cyclopentenedithiophene, benzothiadiazole and 1,8-octanedithiol evenly, heat to 340°C, and keep stirring at 1200rpm for 5h to obtain a copolymer;
[0037] 2) Mix graphite, silicon carbide, silicon nitride, erbium oxide, quantum dots and tribasic lead sulfate, and stir at 70°C for 30 minutes;
[003...
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