Infrared photoelectric detector based on cobalt-doped lanthanum ferric cobaltate nano-film and manufacturing method thereof
A nano-film, electrical detector technology, applied in chemical instruments and methods, circuits, cobalt compounds, etc., can solve the problems of weak light absorption, poor conductivity, and cumbersome preparation steps.
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[0039] The preparation method of the infrared photodetector based on the cobalt ion-doped lanthanum iron cobaltate nanocrystal of the present invention, the steps are as follows:
[0040] (1) Preparation of lanthanum ferrite perovskite nano film material
[0041] Preparation of lanthanum ferrite nanomaterials by hydrothermal method: at room temperature, first weigh 0.5 mol of lanthanum nitrate hexahydrate and 0.5 mol of ferric nitrate nonahydrate and dissolve them in 10-20 ml of deionized water to form a mixed solution, and stir magnetically at room temperature for 5 ~7min to fully dissolve; then weigh citric acid in another beaker and dissolve it fully with 10~20ml deionized water, drop the obtained citric acid solution into the mixed solution of lanthanum nitrate hexahydrate and ferric nitrate nonahydrate , after magnetic stirring for 30 minutes, a yellow transparent solution was obtained; the yellow solution was placed in an ultrasonic cleaner for continuous cleaning for 30...
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[0050] The preparation of the infrared photodetector based on cobalt ion-doped lanthanum iron cobaltate nanocrystals of the present invention first synthesizes cobalt ion-doped iron lanthanum cobaltate perovskite nanomaterials by a sol-gel method, including the following steps:
[0051] Step (1), preparation of lanthanum ferrite perovskite nano film material
[0052] Preparation of lanthanum ferrite nanomaterials by hydrothermal method: at room temperature, first weigh 0.5 mol of lanthanum nitrate hexahydrate and 0.5 mol of ferric nitrate nonahydrate and dissolve them in 10-20 ml of deionized water to form a mixed solution, and stir magnetically at room temperature for 5 ~7min to fully dissolve; then weigh citric acid in another beaker and dissolve it fully with 10~20ml deionized water, drop the obtained citric acid solution into the mixed solution of lanthanum nitrate hexahydrate and ferric nitrate nonahydrate , after magnetic stirring for 30 minutes, a yellow transparent sol...
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