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DYE-SENSITIZED SOLAR CELL CONTAINING GEL POLYMER ELECTROLYTE BY IN-SITU CHEMICAL CROSS-LINKING REACTION AND METHOD FOR FABRICATING THE SAME
DYE-SENSITIZED SOLAR CELL CONTAINING GEL POLYMER ELECTROLYTE BY IN-SITU CHEMICAL CROSS-LINKING REACTION AND METHOD FOR FABRICATING THE SAME
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机译:原位化学交联反应的染料敏化含凝胶聚合物的太阳能电池及其制备方法
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摘要
Provided are a dye-sensitized solar cell including a gel polymer electrolyte prepared by an in situ chemical crosslinking reaction, and a method of manufacturing the same. The dye-sensitized solar cell includes a photoelectrode and a counter electrode disposed to face each other; And a gel polymer electrolyte interposed between the photoelectrode and the counter electrode and containing a chemically crosslinked polyalkylene glycol diglycidyl ether, polyethyleneimine, a nonvolatile organic solvent and an acid reduction derivative. Method for manufacturing a dye-sensitized solar cell comprises the steps of preparing a photoelectrode and a counter electrode; Disposing the photoelectrode and the counter electrode so as to face each other; Injecting an electrolyte precursor solution containing polyalkylene glycol diglycidyl ether, polyethyleneimine, a nonvolatile organic solvent, and an acid reduction derivative into a space between the photoelectrode and the counter electrode; And heat treating the electrolyte precursor solution. Gel polymer electrolyte included in the dye-sensitized solar cell according to the present invention can ensure the long-term stability by reducing the leakage and volatilization of the electrolyte, it is possible to improve the ionic conductivity by increasing the adhesion to the electrode. In addition, the gel polymer electrolyte may be prepared by an in situ crosslinking reaction, and the reaction may proceed without an initiator or a crosslinking agent. In addition, since the crosslinking reaction proceeds even at a low temperature of 50 ° C. or less, there is an advantage of suppressing the performance deterioration of the heat-sensitive dye molecules.
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