In-situ silver/stannic oxide/bismuth oxybromide photoelectric material synthesis method
A bismuth oxybromide, in situ synthesis technology, applied in the direction of tin oxide, chemical instruments and methods, bismuth compounds, etc., can solve the problems of low photogenerated charge separation efficiency and poor photoelectric performance, and achieve good charge separation efficiency and good crystallization degree, the effect of improving utilization efficiency
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specific Embodiment approach 1
[0033] Specific Embodiment One: This embodiment is a method for in-situ synthesis of silver / tin oxide / bismuth oxybromide optoelectronic material, which is completed according to the following steps:
[0034] 1. Prepare a mixed solution of bismuth salt and stannate: dissolve the bismuth salt into deionized water at a temperature of 25-35°C and a stirring speed of 100-300r / min, then add stannate, and then Stirring under the conditions of 25-35°C and a stirring speed of 100-300r / min until the stannate is dissolved in deionized water to obtain a mixed solution of bismuth salt and stannate;
[0035] The amount of substance of the bismuth salt described in step 1 is (1~3) mol:2500mL with the volume ratio of deionized water;
[0036] The molar ratio of bismuth salt and stannate described in step 1 is (1~3):(0.01~0.05);
[0037] 2. Preparation of bromine salt solution: Dissolve bromine salt in deionized water at a temperature of 25-35°C and a stirring speed of 100-300r / min to obtain ...
specific Embodiment approach 2
[0049] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the bismuth salt described in step 1 is one or a mixture of bismuth nitrate, bismuth chloride and bismuth sulfate. Other steps are the same as in the first embodiment.
specific Embodiment approach 3
[0050] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the stannate described in step 1 is stannous chloride dihydrate, sodium stannate trihydrate or crystalline tin tetrachloride. Other steps are the same as those in Embodiment 1 or 2.
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