A kind of preparation method of dendritic nano-silver conductive ink and fully printed stress sensor
A technology of stress sensor and conductive ink, which is applied in the direction of sensor, ink, printing, etc., can solve the problems of unfavorable stretchability, high sintering temperature, limiting sensor sensitivity, etc., and achieve long-term stability, high sensitivity, and fast response speed Effect
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Embodiment 1
[0021] The invention relates to the preparation of dendritic nano-silver conductive ink and the preparation method of direct screen printing fully printed stress sensor. The details are as follows; 1) Synthesis of dendritic nano-silver: cut the copper foil into a size of 7cm×5cm, treat with dilute hydrochloric acid to remove surface dirt and oxides, and then wash with deionized water for later use. Dissolve 0.34g of silver nitrate in 40ml of deionized water, stir for 3min, then add 1.7g of polyvinylpyrrolidone (K-30), and stir for 10min to obtain solution A. Insert the cleaned copper foil into solution A and let it stand for 10 minutes to obtain dendritic nano silver. Then wash with absolute ethanol and deionized water three times in turn to obtain pure dendritic nano-silver. 2) Preparation of dendritic nano-silver conductive ink: The dendritic nano-silver dispersed in absolute ethanol was vacuum-dried at 60° C. for later use. 1.25 g of SIS was dissolved in 10 ml of xylene t...
Embodiment 2
[0024] The invention relates to the preparation of dendritic nano-silver conductive ink and the preparation method of direct screen printing fully printed stress sensor. The details are as follows; 1) Synthesis of dendritic nano-silver: cut the copper foil into a size of 7cm×5cm, treat with dilute hydrochloric acid to remove surface dirt and oxides, and then wash with deionized water for later use. Dissolve 0.34g of silver nitrate in 40ml of deionized water, stir for 3min, then add 1.7g of polyvinylpyrrolidone (K-30), and stir for 10min to obtain solution A. Insert the cleaned copper foil into solution A and let it stand for 10 minutes to obtain dendritic nano silver. Then wash with absolute ethanol and deionized water three times in turn to obtain pure dendritic nano-silver. 2) Preparation of dendritic nano-silver conductive ink: The dendritic nano-silver dispersed in absolute ethanol was vacuum-dried at 60° C. for later use. 1.25 g of SIS was dissolved in 10 ml of xylene t...
Embodiment 3
[0027]The invention relates to the preparation of dendritic nano-silver conductive ink and the preparation method of direct screen printing fully printed stress sensor. The details are as follows; 1) Synthesis of dendritic nano-silver: cut the copper foil into a size of 7cm×5cm, treat with dilute hydrochloric acid to remove surface dirt and oxides, and then wash with deionized water for later use. Dissolve 0.34g of silver nitrate in 40ml of deionized water, stir for 3min, then add 1.7g of polyvinylpyrrolidone (K-30), and stir for 10min to obtain solution A. Insert the cleaned copper foil into solution A and let it stand for 10 minutes to obtain dendritic nano silver. Then wash with absolute ethanol and deionized water three times in turn to obtain pure dendritic nano-silver. 2) Preparation of dendritic nano-silver conductive ink: The dendritic nano-silver dispersed in absolute ethanol was vacuum-dried at 60° C. for later use. 1.25 g of SIS was dissolved in 10 ml of xylene to...
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