Method for improving conductivity of silver nanowire flexible and transparent conductive membrane
A transparent conductive film, silver nanowire technology, applied to conductive layers, circuits, electrical components and other directions on insulating carriers, can solve problems such as not being well solved, and achieve improved matching, improved conductivity, and simple operation. Effect
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[0028] Example 1
[0029] Using PVA as the matrix, put it into a three-necked flask with a mass ratio of PVA:H2O=1:10, heat and stir in a water bath at 80°C for 3 hours, and cool to room temperature to obtain an aqueous PVA solution for use.
[0030] Use a PET film or glass sheet substrate, and evenly coat the prepared silver nanowire solution on the substrate with a Mayer rod. After the silver nanowire layer is naturally dried, spread the PVA aqueous solution on the silver nanolayer, and then transfer it as a whole In a vacuum drying oven, dry for 2 hours at 40°C and 70°C in a vacuum state. After solidifying and cooling the surface PVA film, peel off the surface PVA film from the substrate to obtain the silver nanowires embedded in the PVA surface. Nanowire flexible transparent conductive film.
[0031] Take 0.01-0.03g silver nitrate and add it to 50mL analytical grade ethanol. After electromagnetic stirring to make it fully dissolved, add concentrated nitric acid to adjust the pH ...
Example Embodiment
[0033] Example 2
[0034] Silver source—weak reducing agent treatment solution on the treatment effect of silver nanowire flexible transparent conductive film with different diameters:
[0035] According to the method of Example 1, flexible transparent conductive films with silver nanowire diameters of approximately 20 nm, 35 nm, and 70 nm were configured and treated with a freshly prepared silver source-weak reducing agent treatment solution. The results are shown in Table 1:
[0036] Table 1 Silver source-weak reducing agent treatment liquid to treat flexible transparent conductive films with different diameters of silver nanowires
[0037]
[0038] From the results in Table 1, it can be seen that the conductivity (expressed in square resistance) of the flexible transparent conductive film of silver nanowires of different diameters has been significantly improved after treatment with the silver source-weak reducing agent treatment solution, and the light transmittance of the conducti...
Example Embodiment
[0039] Example 3
[0040] Silver source-weak reducing agent treatment solution on the treatment effect test of silver nanowire flexible transparent conductive film with different conductivity:
[0041] Use Mayer rods of different specifications to coat the same concentration of silver nanowires with a diameter of about 20nm on the substrate. The other steps are the same as in Example 1, to obtain a flexible transparent conductive film of silver nanowires with different conductivity properties, using a silver source— Weak reducing agent treatment liquid is processed, and the results are shown in Table 2:
[0042] Table 2 Treatment effects of silver source-weak reducing agent treatment solution on flexible transparent conductive films of silver nanowires with different conductive properties
[0043]
[0044] It can be seen from Table 2 that the method of the present invention has obvious effects on the treatment of flexible transparent conductive films of silver nanowires with different...
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