An intrinsically stretchable n-type interface material and its preparation method and application
An interface material, n-type technology, applied in the direction of sustainable manufacturing/processing, final product manufacturing, climate sustainability, etc., can solve the problems of phase separation, poor stretching effect, etc., and achieve high stability and high film formation , high stretch effect
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[0033] A method for preparing an intrinsically stretchable n-type interface material, characterized in that, the material takes the acceptor unit Ar and polyethyleneimine (PEI) as the building units, and under the conditions of organic solvents, additives and initiators, through Polymerization to prepare intrinsically stretchable n-type interface materials.
[0034] The stretchable n-type interface material provided in this embodiment may have the following structure:
[0035]
[0036]
[0037]
[0038]
Embodiment 1-1
[0040] Preparation of interface material S1:
[0041]
[0042] Put PEI (2 g, 2.5 mmol), NDI (1.34 g, 5 mmol), and imidazole (2 g, 29 mmol) into a 100 mL two-necked flask, seal the reaction flask, and react at 130° C. for 5 h. After the reaction was completed, it was cooled to room temperature, 30 mL of ethanol and 2M HCl were added, and 30 mL of HCl was added and stirred at room temperature for 12 h, then washed with methanol and suction filtered. Finally, the interface material was put into a dialysis bag and immersed in toluene for dialysis for 12 h. After drying, the product S1 (2.91 g, 69% yield).
Embodiment 1-2
[0044] Preparation of interface material S2:
[0045]
[0046] Put PEI (2g, 2.5mmol), ADI (1.6g, 5mmol) and imidazole (2g, 29mmol) into a 100mL two-necked flask, seal the reaction flask, and react at 130°C for 5h. After the reaction was completed, it was cooled to room temperature, 30 mL of ethanol and 2M HCl were added, and 30 mL of HCl was added and stirred at room temperature for 12 h, then washed with methanol and suction filtered. Finally, the interface material was put into a dialysis bag and soaked in toluene for dialysis for 12 h. After drying, the product S2 (2.66 g, 74% yield).
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