A self-powered gas sensor and its preparation method
A gas sensor and self-powered technology, applied in the field of sensors, can solve the problems of losing functionality, affecting the reliability of information acquisition, and limiting the service life of devices, so as to avoid the mismatch of film forming process, have more compatibility advantages, and have wide application foreground effect
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Embodiment 1
[0031] step 1:
[0032] Select a porous flexible indium tin oxide with a plane size of 5×5 mm, then clean it with a cleaning agent, rinse it with running water for 5 to 10 times, and then place it in acetone, alcohol and deionized water for ultrasonic cleaning, and use low power for each ultrasonic cleaning Sonicate for 10 minutes, and finally blow dry with nitrogen gas for later use;
[0033] Step 2:
[0034] Take a clean and dry sample bottle with a volume of 20mL, prepare a silver nanowire solution with a concentration of 2mg / mL with isopropanol as a solvent, and disperse it ultrasonically for 4 hours to form a silver nanowire dispersion. Take 1mL of the silver nanowire dispersion, Using LB film technology to uniformly deposit silver nanowires on the surface of a flexible porous indium tin oxide substrate;
[0035] Step 3:
[0036]Use n-butanol as a solvent to prepare a 3,4-ethylenedioxythiophene solution with a concentration of 1 mg / mL, and use n-butanol as a solvent to...
Embodiment 2
[0042] step 1:
[0043] Select a porous flexible indium tin oxide with a plane size of 5×5 mm, then clean it with a cleaning agent, rinse it with running water for 5 to 10 times, and then place it in acetone, alcohol and deionized water for ultrasonic cleaning, and use low power for each ultrasonic cleaning Sonicate for 10 minutes, and finally blow dry with nitrogen gas for later use;
[0044] Step 2:
[0045] Take a clean and dry sample bottle with a volume of 20mL, prepare a silver nanowire solution with a concentration of 2mg / mL with isopropanol as a solvent, and disperse it ultrasonically for 4 hours to form a silver nanowire dispersion. Take 1mL of the silver nanowire dispersion, Using LB film technology to uniformly deposit silver nanowires on the surface of a flexible porous indium tin oxide substrate;
[0046] Step 3:
[0047] Use n-butanol as a solvent to prepare a 3,4-ethylenedioxythiophene solution with a concentration of 1 mg / mL, and use n-butanol as a solvent t...
Embodiment 3
[0053] step 1:
[0054] Select a porous flexible indium tin oxide with a plane size of 5×5 mm, then clean it with a cleaning agent, rinse it with running water for 5 to 10 times, and then place it in acetone, alcohol and deionized water for ultrasonic cleaning, and use low power for each ultrasonic cleaning Sonicate for 10 minutes, and finally blow dry with nitrogen gas for later use;
[0055] Step 2:
[0056] Take a clean and dry sample bottle with a volume of 20mL, prepare a silver nanowire solution with a concentration of 2mg / mL with isopropanol as a solvent, and disperse it ultrasonically for 4 hours to form a silver nanowire dispersion. Take 1mL of the silver nanowire dispersion, Using LB film technology to uniformly deposit silver nanowires on the surface of a flexible porous indium tin oxide substrate;
[0057] Step 3:
[0058] Use n-butanol as a solvent to prepare a 3,4-ethylenedioxythiophene solution with a concentration of 1 mg / mL, and use n-butanol as a solvent t...
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