A Composite Dielectric Film Based on Heterojunction Double Interface Layer Nanomaterials
A composite dielectric film and nano-material technology, applied in the field of composite dielectric film and flexible electronic device materials, can solve the poor selectivity of the dielectric properties of the polymer matrix, affect the dielectric properties of the composite material system, and the phase between the matrix material and the filler. Capacitance is not good and other problems, to achieve the effect of improving dielectric properties, enriching the working area, and small density
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Embodiment 1
[0032] (1) Dissolve 1 mmol (0.22 g) of zinc acetate in 22 mL of ethylenediamine, and 2 Stir and dissolve under protective conditions to obtain a zinc (II)-ethylenediamine complex solution;
[0033] (2) Add 1 mmol (0.13 g) of cysteine into the zinc(II)-ethylenediamine complex solution within 20 min and stir until completely dissolved. 2 Protected and stirred for 2 hours to obtain mixture A; the molar ratio of the zinc (II)-ethylenediamine complex to cysteine is 1:1;
[0034] (3) The mixture A is filtered, and the filter cake is obtained after being drained, and the 0.22 g filter cake is mixed with 5 g of urea at a mass ratio of 1:23 to obtain a mixture B;
[0035] (4) Put mixture B into a closed 30 mL crucible, put it into a muffle furnace and heat at 500 °C for 2 hours to obtain mixture C;
[0036] (5) According to the ratio of 0.1 g / 8.6 mL, add 0.34 g of mixture C into 24 mL of ethylenediamine and stir to disperse to obtain solution C; slowly put 0.24 g of cysteine in...
Embodiment 2
[0044] (1) Dissolve 2 mmol of zinc acetate in 45 mL of ethylenediamine under N 2 Stir and dissolve under protective conditions to obtain a zinc (II)-ethylenediamine complex solution;
[0045] (2) Add 2 mmol (0.25 g) of cysteine into the zinc(II)-ethylenediamine complex solution within 20 min and stir until completely dissolved. 2 Protected and stirred for 2 hours to obtain mixture A; the molar ratio of the zinc (II)-ethylenediamine complex to cysteine is 1:1;
[0046] (3) The mixture A is filtered, and the filter cake is obtained after being drained, and the 0.43 g filter cake is mixed with 3g urea at a mass ratio of 1:7 to obtain the mixture B;
[0047] (4) Put mixture B into a closed 30mL crucible, put it in a muffle furnace and heat at 500°C for 2 hours to obtain mixture C;
[0048] (5) According to the ratio of 0.1 g / 8.6 mL, add 0.35 g of mixture C into 30 mL of ethylenediamine and stir to disperse to obtain suspension C; slowly put 0.46 g of cysteine into suspensi...
Embodiment 3
[0056] (1) Dissolve 2 mmol of zinc acetate in 45 mL of ethylenediamine under N 2 Stir and dissolve under protective conditions to obtain a zinc (II)-ethylenediamine complex solution;
[0057] (2) Add 2 mmol (0.25 g) of cysteine into the zinc(II)-ethylenediamine complex solution within 20 min and stir until completely dissolved. 2 Protected and stirred for 2 hours to obtain mixture A; the molar ratio of the zinc (II)-ethylenediamine complex to cysteine is 1:1;
[0058] (3) The mixture A is filtered, and the filter cake is obtained after being drained, and the 0.43 g filter cake is mixed with 1.3 g urea at a mass ratio of 1:3 to obtain the mixture B;
[0059] (4) Put mixture B into a closed 30mL crucible, put it in a muffle furnace and heat at 500°C for 2 hours to obtain mixture C;
[0060] (5) According to the ratio of 0.1 g / 8.6 mL, add 0.35 g of mixture C into 30 mL of ethylenediamine and stir to disperse to obtain suspension C; slowly put 0.46 g of cysteine into suspe...
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