Dye sensitization solar battery, its electrode, resin composition for forming a screen film, screen film and its forming method
A technology of a solar cell and a resin composition is applied in the field of dye-sensitized solar cells to achieve the effects of high photoelectric conversion efficiency, low cost and excellent photoelectric conversion efficiency
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[0189] Hereinafter, the present invention will be more specifically described through synthesis examples and examples, but the present invention is not limited to the following examples. In addition, the number-average molecular weight and molecular weight distribution (Mw / Mn) measured below, using the GPC chromatograph "HLC-8020" (1 TSKgel α-M, 1 TSKgel α-2500) manufactured by Tosoh Co., Ltd., And under the analytical conditions of flow rate: 1.0 ml / min, stripping solvent: N,N-dimethylformamide, column temperature: 35° C., it is determined by gel permeation chromatography (GPC) method.
[0190] Copolymer Manufacture
Synthetic example 1
[0192] Into a flask having a cooling tube and a stirrer, 5 parts by mass of 2,2'-azobis(2,4-dimethylvaleronitrile) and 200 parts by mass of diethylene glycol ethyl methyl ether were added. Continue to add 40 parts by mass of glycidyl methacrylate, 18 parts by mass of styrene, 20 parts by mass of methacrylic acid and 22 parts by mass of N-cyclohexylmaleimide, and start to slowly stir after nitrogen replacement. The temperature of the solution was raised to 70° C., and the temperature was maintained for 5 hours to obtain a polymer solution containing a copolymer (A-1). The solid content concentration of the obtained polymer solution was 33.1% by mass. The number average molecular weight of the obtained copolymer was 7,000, and the molecular weight distribution (Mw / Mn) was 2.
Synthetic example 2
[0194] In a flask having a cooling tube and a stirrer, 5 parts by mass of 2,2'-azobis(2,4-dimethylvaleronitrile) and 200 parts by mass of propylene glycol monomethyl ether acetate were added. Continue to add 40 parts by mass of 3-(methacryloxyethyl) oxetane, 10 parts by mass of styrene, 30 parts by mass of methacrylic acid and 20 parts by mass of N-cyclohexylmaleimide, and After nitrogen replacement, slow stirring was started. The temperature of the solution was raised to 70° C., and the temperature was maintained for 5 hours to obtain a polymer solution containing a copolymer (A-2). The solid content concentration of the obtained polymer solution was 33.1% by mass. The number average molecular weight of the obtained copolymer was 7,300, and the molecular weight distribution (Mw / Mn) was 2.
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