Silver nanowire transparent composite coating and preparation method thereof
A silver nanowire and composite coating technology, which is applied in the direction of cable/conductor manufacturing, conductive layer on insulating carrier, electrical components, etc., can solve the problems of complex process and high cost, and achieve simple operation, low cost and improved conductivity Effect
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Embodiment 1
[0035](1) Add 10mL of ethylene glycol into a round-bottom three-neck flask, reflux at 180°C for 1h, then stabilize the temperature at 180°C, and then add 5mL of ethylene glycol solution containing perchloroplatinic acid with a concentration of 0.06mM As a seed crystal, after heating for 10 minutes, add 5 mL of ethylene glycol solution containing silver nitrate with a concentration of 0.1 mM and 5 mL of an ethylene glycol solution containing PVP (K30) with a concentration of 0.5 mM at the same time to control the dropping speed of the two. The dropping time was all 1 h, and the reaction was continued for 1.5 h after the dropping, and then the heating was stopped to obtain a solution containing silver nanowires. The silver nanowire has a diameter of 80-100 nm and a length of 20-30 μm. The obtained silver nanowire solution was left standing, and the precipitation at the bottom was the silver nanowire. The silver nanowire precipitated at the bottom was added to 2-isopropoxyethanol...
Embodiment 2
[0039] (1) Add 10mL of ethylene glycol into a round bottom three-neck flask, reflux at 180°C for 1h, then adjust the temperature and stabilize it to 190°C, then add 5mL of ethylene glycol containing perchloroplatinic acid with a concentration of 0.06mM The solution was used as a seed crystal, and after heating for 10 minutes, 5 mL of ethylene glycol solution containing silver nitrate at a concentration of 0.2 mM and 5 mL of an ethylene glycol solution containing PVP (K30) at a concentration of 0.6 mM were added at the same time to control the drop of the two. The acceleration was such that the dropping time was 1 hour, and the reaction was continued for 0.5 hour after the dropping, and then the heating was stopped to obtain a solution containing silver nanowires. The diameter of the silver nanowire is 90-110 nm, and the length is 20-40 μm. The obtained silver nanowire solution was left standing, and the precipitation at the bottom was the silver nanowire. The silver nanowire p...
Embodiment 3
[0043] (1) Mix 1.7g of silver nitrate with 100mL of ethylene glycol to obtain an ethylene glycol solution containing silver nitrate. Mix 3.13g of PVP (K30) with 100mL of ethylene glycol to obtain a solution of ethylene glycol containing PVP. Add 4mL of ethylene glycol into the beaker, then add 3mL of the above-mentioned ethylene glycol solution containing silver nitrate and 3mL of the above-mentioned ethylene glycol solution containing PVP, magnetically mix evenly, then add 1.5mg NaCl, magnetically mix evenly. The above solution was subjected to microwave treatment under 700w microwave condition for 1 minute, and then under 300w microwave condition for 4 minutes to obtain a solution containing silver nanowires. The diameter of the silver nanowire is 70-90 nm, and the length is 10-20 μm. Let the obtained silver nanowire solution stand still, cool to room temperature, the precipitate at the bottom is the silver nanowire, take the silver nanowire precipitated at the bottom and a...
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