A kind of preparation method of hyperbranched sodium sulfonate small molecule electron transport layer
A technology of electron transport layer and sodium sulfonate, which is applied in the preparation of sulfonate, circuit, organic chemistry, etc., can solve the problems that cannot solve the active layer morphology and interface barrier at the same time, and achieve the convenience of large-area roll-to-roll Effects of printing production, environment-friendly processing, and improving device efficiency
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[0018] The present invention will be further described below in conjunction with the accompanying drawings.
[0019] The reaction equation of the present invention is attached figure 2 , the specific reaction steps are as follows:
[0020] (1) Drying of tetrahydrofuran: add 200mL of analytically pure tetrahydrofuran to a 250mL dry nitrogen bottle, cut sodium into sodium filaments and add benzophenone indicator under nitrogen atmosphere, reflux to dark blue, and distill out dry tetrahydrofuran stand-by;
[0021] (2) Under the protection of nitrogen, add 1.89 g of 0.01 mol of tetraethylene pentamine to the above reaction liquid, and 60 mL of dry THF; under ice bath, slowly add 1.0 g of sodium hydride to the reaction liquid in nitrogen atmosphere , stirred at room temperature for 2 h, and then the reaction was raised to 50 ° C overnight;
[0022] (3) After the reaction solution is cooled to room temperature, it is then cooled in an ice bath, and 13.6 g of 0.1mol 1,4-butane su...
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