A photothermally driven triboelectric nanometer power generation film and its preparation method
A nano-power generation and thin-film technology, which is applied in the direction of friction generators, etc., can solve the problems of low utilization rate of infrared light and increase the heat energy of mid-infrared sunlight, etc., and achieve the effect of simple structure, good flexibility and simple manufacturing process
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Embodiment 1
[0038] (1) At room temperature, take 0.8g lithium fluoride and dissolve it in 10mL, 9mol / L hydrochloric acid, and then dissolve 0.5g Ti 3 AlC 2 (MAX phase) was slowly added to the mixture of lithium fluoride and hydrochloric acid, and magnetically stirred for 24 hours to obtain a uniform solution, and then the solution was centrifuged 3 times for 5 minutes each time at 3000 rpm. After centrifugation, the lower layer of precipitate was removed, water was added, and argon was used as a protective gas to carry out ultrasonication in a water bath for 3 h to obtain an aqueous solution of MXene. Pour the MXene aqueous solution into a sand core funnel, suction filter to gel, and freeze-dry, then disperse MXene in absolute ethanol at a ratio of 3 mg / mL, and use argon as a protective gas to carry out ultrasonication in a water bath for 3 h. Get MXene inks.
[0039] (2) The commercial LDPE film (prepared by Kunshan Xingguang Plastic Factory, thickness 0.1mm, the same below) is ultraso...
Embodiment 2
[0048] (1) At room temperature, take 0.8g lithium fluoride and dissolve it in 10mL, 8mol / L hydrochloric acid, and then dissolve 0.5g Ti 3 AlC 2 (MAX phase) was slowly added to the mixture of lithium fluoride and hydrochloric acid, and magnetically stirred for 36 hours to obtain a uniform solution, and then the solution was centrifuged 4 times, 6 minutes each time, at a speed of 3200 rpm. After centrifugation, the lower layer of precipitate was removed, water was added, and argon was used as a protective gas to carry out ultrasonication in a water bath for 4 h to obtain an aqueous solution of MXene. Pour the MXene aqueous solution into a sand core funnel, suction filter until gel-like, and freeze-dry, then disperse MXene in absolute ethanol at a ratio of 2 mg / mL, and use argon as a protective gas to carry out ultrasonication in a water bath for 4 h. Get MXene inks.
[0049] (2) The commercial LDPE film was ultrasonically cleaned and dried, and then stretched at a speed of 200...
Embodiment 3
[0054] (1) At room temperature, take 0.8g lithium fluoride and dissolve it in 10mL, 7mol / L hydrochloric acid, and then dissolve 0.5g Ti 3 AlC 2 (MAX phase) was slowly added to the mixture of lithium fluoride and hydrochloric acid, stirred magnetically for 48 hours to obtain a uniform solution, and then the solution was centrifuged twice, 7 minutes each time, at a speed of 3500 rpm. After centrifugation, the lower layer of precipitate was removed, water was added, and argon was used as a protective gas to carry out ultrasonication in a water bath for 5 h to obtain an aqueous solution of MXene. Pour the MXene aqueous solution into a sand core funnel, suction filter to gel, and freeze-dry, then disperse MXene in absolute ethanol at a ratio of 1 mg / mL, and use argon as a protective gas to carry out ultrasonication in a water bath for 5 h. Get MXene inks.
[0055] (2) The commercial LDPE film was ultrasonically cleaned and dried, and then stretched at a speed of 500 mm / min by a u...
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Abstract
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