Patterned transparent electrode fabrication method
A transparent electrode and patterning technology, which is applied in cable/conductor manufacturing, circuits, electrical components, etc., can solve the problems of lack of controllability of patterns and limited selection of conductive materials, so as to improve conductivity and light transmittance, and broaden the range , to ensure the effect of controllability
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Embodiment 1
[0018] Such as figure 1 As shown, the cellulose acetate filter membrane with a pore size of 200nm is selected as the porous filter membrane (1). The upper part of the filter membrane 1 is covered with a mask 2 and the lower part is provided with a porous sand core 3, and the mask 2 has a desired pattern Negative pattern. First, take 0.1 mg of single-walled carbon nanotube powder and add it to 200 ml of water, and add 20 g of surfactant sodium dodecyl sulfonate (SDS), and then stir to form a carbon nanotube dispersion liquid. After high-speed centrifugation at a speed of 4000 rpm and a time of 40 minutes, the supernatant is taken as the desired carbon nanotube monodisperse 4, and the concentration of the monodisperse is 0.5 wt%. Take 0.1 ml of the carbon nanotube monodispersed liquid and dilute it to 10 ml with deionized water, add the carbon nanotube monodispersed liquid 4 to the porous filter membrane 1 and filter the porous sand core 3 until the water is completely drained. ...
Embodiment 2
[0020] Preparation of graphene monodisperse solution: Take 3g of layered graphite and place it in a 250ml three-necked flask, add 70ml of concentrated sulfuric acid and 1.6g of NaNO 3 . Put the three-necked flask in an ice water bath to cool to 0°C, and then slowly add 9.0 g of potassium permanganate to keep the temperature of the mixture not exceeding 20°C. After that, the mixture was heated at 35°C, stirred and kept for 60 minutes, then 140ml of water was added dropwise within 15 minutes to cool to room temperature, and then 400ml of water and 3ml of H 2 O 2 The mixture obtained by mixing and stirring uniformly is suction filtered through a PTFE porous filter membrane with a pore size of 200 nm, and the obtained filtrate is washed with deionized water for 3 times and the collected liquid is dispersed in 200 ml of deionized water to obtain a graphene oxide dispersion. Take 100ml of the above dispersion into a 250ml three-necked flask, add 1ml of hydrazine hydrate and 5g of SDS,...
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