Bismuth titanate photocatalytic material with visible light response and preparation method thereof
A photocatalytic material, bismuth titanate technology, applied in the direction of catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., to achieve the effects of environmental protection, simple preparation process, and low cost
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Embodiment 1
[0018] Preparation of bismuth titanate photocatalytic material with visible light response:
[0019] 1) Preparation of raw materials: Weigh the analytically pure TiO 2 and Bi 2 o 3 As a raw material, according to TiO 2 with Bi 2 o 3 The molar ratio of the mixture is 1:20 for batching, put the prepared raw materials into the mixer and mix evenly, the mixer speed is 200 rpm, and the mixing time is 2 hours;
[0020] 2) Heating reaction: put the mixture obtained in step 1) into a platinum crucible, then put the platinum crucible into a muffle furnace preheated to 900°C in advance, and react for 2 minutes;
[0021] 3) Quenching and cooling: take out the reacted platinum crucible and quickly put it into cold water for quenching, and grind the obtained sample finely in an agate mortar.
Embodiment 2
[0023] Preparation of bismuth titanate photocatalytic material with visible light response:
[0024] 1) Preparation of raw materials: Weigh the analytically pure TiO 2 and Bi 2 o 3 As a raw material, according to TiO 2 with Bi 2 o 3 The molar ratio of the mixture is 1:20 for batching, put the prepared raw materials into the mixer and mix evenly, the mixer speed is 200 rpm, and the mixing time is 2 hours;
[0025] 2) Heating reaction: put the mixture obtained in step 1) into a platinum crucible, then put the platinum crucible into a muffle furnace preheated to 900°C in advance, and react for 3 minutes;
[0026] 3) Quenching and cooling: take out the reacted platinum crucible and quickly put it into cold water for quenching, and grind the obtained sample finely in an agate mortar.
Embodiment 3
[0028] Preparation of bismuth titanate photocatalytic material with visible light response:
[0029] 1) Preparation of raw materials: Weigh the analytically pure TiO 2 and Bi 2 o 3 As a raw material, according to TiO 2 with Bi 2 o 3 The molar ratio of the mixture is 1:20 for batching, put the prepared raw materials into the mixer and mix evenly, the mixer speed is 200 rpm, and the mixing time is 2 hours;
[0030] 2) Heating reaction: put the mixture obtained in step 1) into a platinum crucible, then put the platinum crucible into a muffle furnace preheated to 1000°C in advance, and react for 3 minutes;
[0031] 3) Quenching and cooling: take out the reacted platinum crucible and quickly put it into cold water for quenching, and grind the obtained sample finely in an agate mortar.
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Application Information
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