A kind of preparation method of perovskite nano rod
A nanorod, perovskite technology, applied in nanotechnology, nanooptics, nanotechnology, etc., to achieve the effect of shortening the transmission time
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Embodiment 1
[0032] (1) 0.1mmol of CsCO 3 And 0.2mmol PbO mixed with 10mL of ODE and 1mL of OA, placed in a 100mL three-necked flask. Then the solution was heated to 120°C, and vacuumized at a constant temperature for 30 minutes until it was fully dissolved, and at the same time water and oxygen in the reaction system were removed.
[0033] (2) The temperature was further raised to 180°C, and 1.5mL of OLA-HI was injected, reacted for 10s, cooled with cold water, and the temperature was controlled at 80°C;
[0034] (3) Add 0.064 mmol of tetrabutylammonium fluoride (TBAF) into the flask and stir for 15 min, then let stand for 10 min. Then cool with cold water to terminate the reaction.
[0035] (4) Take out the synthesized mother liquor and place it in a centrifuge tube, centrifuge at 12000rpm for 5min, take the precipitate and dissolve it in toluene; centrifuge again, centrifuge at 8000rpm for 3min, take the supernatant to obtain a perovskite nanorod solution.
Embodiment 2
[0037] (1) 0.1mmol of CsCO 3 And 0.2mmol PbO mixed with 10mL of ODE and 1mL of OA, placed in a 100mL three-necked flask. Then the solution was heated to 120°C, and vacuumized at a constant temperature for 35 minutes until it was fully dissolved, and water and oxygen in the reaction system were removed at the same time.
[0038] (2) The temperature was further raised to 200°C, and 1.5mL of OLA-HI was injected, reacted for 10s and cooled with cold water, and the temperature was controlled at 80°C;
[0039] (3) Add 0.064 mmol of tetrabutylammonium fluoride (TBAF) into the flask and stir for 15 min, then let stand for 10 min. Then cool with cold water to terminate the reaction.
[0040] (4) Take out the synthesized mother liquor and place it in a centrifuge tube, centrifuge at 12000rpm for 5min, take the precipitate and dissolve it in toluene; centrifuge again, centrifuge at 8000rpm for 3min, take the supernatant to obtain a perovskite nanorod solution.
Embodiment 3
[0042] (1) 0.1mmol of CsCO 3 And 0.2mmol PbO mixed with 10mL of ODE and 1mL of OA, placed in a 100mL three-necked flask. Then the solution was heated to 120°C, and vacuumized at a constant temperature for 30 minutes until it was fully dissolved, and at the same time water and oxygen in the reaction system were removed.
[0043] (2) The temperature was further raised to 180°C, and 1.5mL of OLA-HI was injected, reacted for 10s, cooled with cold water, and the temperature was controlled at 80°C;
[0044] (3) Add 0.064 mmol of ethyl difluoroacetoacetate to the flask and stir for 15 min, then let stand for 10 min. Then cool with cold water to terminate the reaction.
[0045] (4) Take out the synthesized mother liquor and place it in a centrifuge tube, centrifuge at 12000rpm for 5min, take the precipitate and dissolve it in toluene; centrifuge again, centrifuge at 8000rpm for 3min, take the supernatant to obtain a perovskite nanorod solution.
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