Preparation method of ZnS nanosheets
A nanosheet and suspension technology, applied in nanotechnology, zinc sulfide and other directions, can solve the problems of high energy consumption, complex process, low yield, etc., and achieve the effects of low energy consumption, simple process and low cost
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[0038] The present invention provides a method for preparing ZnS nanosheets, which includes the following steps:
[0039] S1. Disperse the ZnS-(L)n precursor in water to obtain a suspension;
[0040] S2. Place the suspension under light, continuously stir and react within a certain temperature;
[0041] S3. Wash, separate and precipitate the reacted solution, and dry the precipitate to obtain ZnS nanosheets;
[0042] Wherein, L in the ZnS-(L)n is a compound containing a monoamino group or a polyamino group, and n is 0.5-1.
[0043] The present invention does not have special restrictions on the source of all raw materials, as long as they are commercially available.
[0044] The L in the ZnS-(L)n is an organic compound containing an amino functional group well known to those skilled in the art, and there is no special limitation. The L in the present invention is preferably ethylene diamine (en), cyclohexane One or more of amine and o-phenylenediamine, more preferably ethylenediamine; n...
Example Embodiment
[0054] Example 1
[0055] Weigh homemade 5mg ZnS(en) 0.5 The precursor was dispersed in 10 mL of water to obtain a suspension; the suspension was placed under a low-pressure mercury lamp and irradiated for 2 hours. During the irradiation, the suspension was continuously stirred and the temperature of the reaction system was kept at room temperature; then deionized water and The ethanol is washed, separated, the precipitate is collected, and dried to obtain a ZnS nanosheet sample.
Example Embodiment
[0056] Example 2
[0057] Weigh 200mg homemade ZnS(en) 0.5 The precursor was dispersed in 200 mL of water to obtain a suspension; the obtained suspension was placed under a low-pressure mercury lamp to irradiate for 24 hours. During the irradiation, the suspension was continuously stirred and the temperature of the reaction system was kept at room temperature; then deionized water and The ethanol is washed, separated, the precipitate is collected, and dried to obtain a ZnS nanosheet sample.
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