Preparation method of light color rodlike ZAO (Zinc Aluminium Oxide) conductive powder
A conductive powder and rod-shaped technology, which is applied in the field of light-colored rod-shaped ZAO conductive powder and its preparation, can solve the problems of limitations in the connection field of microscopic devices, and achieve the effects of no agglomeration, light color, and low-cost sources
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Embodiment 1
[0024] According to the ratio of the number of zinc atoms to aluminum atoms as 100:2, weigh Al(NO 3 ) 3 ·9H 2 O0.37g, Zn(NO 3 ) 2 ·6H 2 O14.6 grams, and then weigh 0.75 grams of cetyltrimethylammonium bromide. Put it into the polytetrafluoroethylene liner of the hydrothermal reaction kettle, add 150mL of water and stir evenly, add ethylenediamine to adjust the pH of the reaction system to 7-8, then hydrothermally react in a 140℃ oven for 24 hours, and centrifuge. After precipitation, transfer the precipitate to the crucible and put it into the oven, set the temperature to 100°C, and dry for 2 hours until the precursor is dried. Then put the crucible into the muffle furnace, set the calcination temperature to 700 ℃, after calcination for 2 hours, naturally cool to room temperature, the light-colored rod-shaped ZAO powder is obtained, and the length of the product is about 3.5 microns and the diameter is about 250 nanometers. .
Embodiment 2
[0026] According to the ratio of the number of zinc atoms to aluminum atoms as 100:2, weigh Al(NO 3 ) 3 ·9H 2 O0.37g, Zn(NO 3 ) 2 ·6H 2 O14.6 grams, and then weigh 0.25 grams of cetyltrimethylammonium bromide. Put it into the polytetrafluoroethylene liner of the hydrothermal reaction kettle, add 150mL of water and stir evenly, add ethylenediamine to adjust the pH of the system to 7-8, then hydrothermally react in a 140℃ oven for 6 hours, and centrifuge to separate the precipitate , Then transfer the precipitate to the crucible and put it into the oven, set the temperature to 100 ℃, dry for 2 hours, until the precursor is dried. Then put the crucible into the muffle furnace, set the calcination temperature to 500°C, and after calcination for 5 hours, naturally cool to room temperature to obtain the light-colored rod-shaped ZAO powder. The product is about 3.5 microns in length and 200 nanometers in diameter through transmission electron microscope observation.
Embodiment 3
[0028] According to the ratio of the number of zinc atoms to aluminum atoms as 100:2, weigh Al(NO 3 ) 3 ·9H 2 O0.37g, Zn(NO 3 ) 2 ·6H 2 O14.6 grams, and then weigh 0.25 grams of cetyltrimethylammonium bromide. Put it into the polytetrafluoroethylene liner of the hydrothermal reactor, add 150mL of water and stir evenly, add ethylenediamine to adjust the pH of the system to 7-8, then hydrothermally react in a 140℃ oven for 18 hours, and centrifuge to separate the precipitate , Then transfer the precipitate to the crucible and put it into the oven, set the temperature to 75 ℃, dry for 8 hours, until the precursor is dried. Then put the crucible into the muffle furnace and set the calcination temperature to 800℃. After calcination for 1 hour, it was naturally cooled to room temperature to obtain a light yellow rod-shaped ZAO nano-powder. The product is about 4 microns long and 300 nanometers in diameter. .
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