Eu < 2 + >-doped inorganic nanoparticles as well as preparation method and application thereof
An inorganic nanoparticle and nanoparticle technology, applied in the fields of nanotechnology, nanotechnology, nano-optics, etc., can solve the problems of reducing crop yield and quality, white pollution of ecological environment, refractory microbial degradation, etc., and achieve low environmental pollution and dispersibility. Good, promote plant growth effect
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[0037] Example 1
[0038] One kind of Eu 2+ Doped inorganic nanoparticles, comprising the steps of:
[0039] S1, formulated aqueous citric acid and an aqueous solution of a fluoride source;
[0040] Weigh 1.6g (8.3mmol) of citric acid (Cit) in 100mL three-neck flask, weighed three-necked flask was added 24mL of distilled water, and dissolved with stirring until completely dissolved, the pH is adjusted using aqueous ammonia 6-7, to obtain an aqueous solution of citric acid;
[0041] Weigh 0.4070g (11mmol) NH 4 F was dissolved in 2mL of distilled water to obtain an aqueous solution of a fluorine source;
[0042] S2, preparation of Eu 2+ Doped inorganic nanoparticles;
[0043] 1.2044g (5.1mmol) CA (NO 3 ) 2 · 4h 2 O, 0.0983G (0.268mmol) Eucl 3 · 6h 2 O In the beaker, 2 ml of distilled water was added, and the mixture was mixed with a glass rod, and the three flasks of the aqueous citric acid solution were added, and the mixture was heated in a water bath, and the constant temperature wate
Example Embodiment
[0046] Example 2
[0047] EU 2+ The preparation method of doped inorganic nanoparticles is substantially identical to the method of Example 1, and the difference thereof is in that S1, the amount of citric acid is 1.6 g (8.3 mmol); S2, transferred to the hydrothermal reaction kettle The reaction time was 24 h.
Example Embodiment
[0048] Example 3
[0049] EU 2+ The preparation method of doping inorganic nanoparticles is substantially identical to the method of Example 1, and the difference thereof is in that S1, the amount of citric acid is 3.2 g (16.6 mmol); S2, transfer to the reaction in the high pressure reactor Time is 16h.
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