Iodine-doping titanium dioxide microsphere electrode and manufacturing method thereof
A titanium dioxide and iodine doping technology, which is applied in the manufacture of electrolytic capacitors, circuits, capacitors, etc., to achieve the effects of controllable size, improved transmission efficiency, and improved conductivity
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[0019] I-doped TiO 2 The preparation method of microsphere comprises the steps:
[0020] Step 1: Use isopropyl titanate as the titanium source and dodecylamine as the pelletizing agent for titanium dioxide. Under ice bath conditions, take 360ml of absolute ethanol, add 8g of dodecylamine and 8g of isopropyl titanate and mix well As a precursor solution, stir for 10-15 minutes.
[0021] Step 2, using iodine as the doping source, take a certain amount of iodine dissolved in 120ml of deionized water and mix it evenly as the reaction solution, add the precursor solution drop by drop to the reaction solution, and stir vigorously, after the dropwise addition, react 12 Hours.
[0022] Step 3, take 360ml nano TiO 2 The colloid was added into a 500ml reaction kettle, sealed, and the temperature was controlled at 160-250°C for hydrothermal growth for 12 hours. TiO out of the reactor 2 Centrifuge and wash 3 times with absolute ethanol to replace the water in the colloid and become T...
Embodiment 1
[0026] A kind of undoped TiO 2 The preparation method of microsphere, its technological process is as follows:
[0027] Step 1: Use isopropyl titanate as the titanium source and dodecylamine as the pelletizing agent for titanium dioxide. Under ice bath conditions, take 360ml of absolute ethanol, add 8g of dodecylamine and 8g of isopropyl titanate and mix well As a precursor solution, stir for 10-15 minutes.
[0028] Step 2, take 120ml of deionized water as the reaction solution, add the precursor solution drop by drop into the reaction solution, and stir vigorously, and react for 12 hours after the dropwise addition.
[0029] Step 3, take 360ml nano TiO 2 The colloid was added into a 500ml reactor, sealed and controlled at a temperature of 200°C for hydrothermal growth for 12 hours. TiO out of the reactor 2 Centrifuge and wash 3 times with absolute ethanol to replace the water in the colloid and become TiO in the alcohol system. 2 colloid. Then prepare TiO 2 For the slu...
Embodiment 2
[0032] An iodine-doped TiO 2 The preparation method of microsphere photoanode, its technological process is as follows:
[0033]Step 1: Use isopropyl titanate as the titanium source and dodecylamine as the pelletizing agent for titanium dioxide. Under ice bath conditions, take 360ml of absolute ethanol, add 8g of dodecylamine and 8g of isopropyl titanate and mix well As a precursor solution, stir for 10-15 minutes.
[0034] Step 2: Use iodine as the doping source, dissolve 0.2g of iodine into 120ml of deionized water and mix it evenly as the reaction solution, add the precursor solution drop by drop to the reaction solution, and stir vigorously, after the dropwise addition, react 12 Hours.
[0035] Step 3, take 360ml nano TiO 2 The colloid was added into a 500ml reaction kettle, sealed, and the temperature was controlled at 250°C for hydrothermal growth for 12 hours. TiO out of the reactor 2 Centrifuge and wash 3 times with absolute ethanol to replace the water in the col...
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