A kind of sno framework, preparation method and application thereof
A frame, NH3·H2O technology, applied in the field of photocatalytic SnO frame and preparation, can solve the problems of complex SnO nanomaterials, low efficiency, poor catalytic degradation effect of dyes, etc., achieve great application value, simple preparation method, and stable structure Effect
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[0035] Solvothermal method refers to a synthesis method in which the original mixture is reacted in a closed system such as an autoclave, using organic matter or a non-aqueous solvent as a solvent, at a certain temperature and the self-generated pressure of the solution. It differs from hydrothermal reactions in that the solvent used is organic rather than water. Therefore, the reaction system is the Schleck system, which is a chemical reaction system without water and oxygen throughout the process. The main devices include: bubbler, mercury safety tube, drying column, deoxygenation column, Na—K alloy tube, oil cut-off tube, Double row tube, vacuum gauge. Generally, an oxygen-free environment is provided for the reacting three-necked flask through the Schleck system. Using the Schleck system for the reaction has the advantages of rapid reaction and uniform heating of the sample.
[0036] The characterization test methods of the SnO framework include XRD (X-ray diffraction), ...
Embodiment 1
[0042]This embodiment proposes a method for preparing a photocatalytic SnO frame, including using tin dichloride as a tin source, oleylamine as a solvent, and preparing in ammonia water under nitrogen gas conditions by using a solvothermal method to obtain a SnO frame; The amount of tin dichloride is 0.04~0.15g, and the volume ratio of oleylamine to ammonia water is 5:(0.5~1).
[0043] In this example, the SnCl 2 , OLA and NH 3 ·H 2 O is mixed in a three-necked flask, and in N 2 Heating to 115°C was carried out at ambient. The SnCl 2 The mass of 0.03 g, OLA and NH 3 ·H 2 The volume ratio of O is 5:1. Throughout the experiment, the solution gradually turned from white to brown with increasing temperature and reaction time, which indicated the formation of SnO framework. After the reaction lasted for 3 min, 6 ml of absolute ethanol was injected to quench the reaction, a syringe was used to take samples, and the samples were cleaned by ultrasonic waves through multiple ce...
Embodiment 2
[0057] This embodiment proposes a method for preparing a SnO convex quadrilateral frame, including the following steps:
[0058] In this example, the SnCl 2 , OLA and NH 3 ·H 2 O is mixed in a three-necked flask, and in N 2 Heating to 115°C was carried out at ambient. The SnCl 2 The mass of 0.03 g, OLA and NH 3 ·H 2 The volume ratio of O is 5:0.5. Throughout the experiment, the solution gradually turned from white to brown with increasing temperature and reaction time, which indicated the formation of SnO framework. After the reaction lasted for 3 min, 6 ml of absolute ethanol was injected to quench the reaction, a syringe was used to take samples, and the samples were cleaned by ultrasonic waves through multiple centrifuges, and finally the samples were collected and dried for later use.
[0059] SEM results such as Figure 5 It can be seen from observation that the obtained sample has regular structure, uniform distribution and no agglomeration. It can be seen that...
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