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Fluorescent powder capable of promoting plant growth and preparation method thereof

A technology for promoting plant growth and fluorescent powder, applied in the field of fluorescent powder that can promote plant growth and its preparation, can solve problems such as affecting flowering, pollination results, affecting photosynthesis, and insufficient light for crops, and achieves short preparation cycle and high preparation method. Simple, high luminous efficiency effect

Pending Publication Date: 2021-01-22
DONGTAI TIANYUAN FLUORESCENT MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problems existing in greenhouse planting are short days and long nights in winter, insufficient light for crops, which affects photosynthesis, reduces crop production, and lack of light also affects flowering, pollination, and fruiting.
However, the existing plant growth lamps have low luminous efficiency and poor color purity.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019]A phosphor that can promote plant growth, the chemical expression of the phosphor is:

[0020]Y0.9B0.3V0.7O3.7: 0.04Eu3+, 0.06Gd3+

[0021]The preparation method includes the following steps:

[0022]S1: Weigh Y according to the stoichiometric ratio2O3, Eu2O3, Gd2O3, Obtain materials, dissolve the materials in concentrated hydrochloric acid to form a rare earth chloride salt solution;

[0023]S2: Recrystallize the rare earth chloride salt solution to obtain rare earth chloride salt crystals, and dissolve the rare earth chloride salt crystals in ethanol to prepare an alcohol solution;

[0024]S3: Add ammonium metavanadate solution and C to the alcohol solution of S212H27BO3, The stirrer stirs evenly; then add ammonia water to adjust the pH value of the solution to 7, the water bath is heated to produce precipitates, the water bath heating temperature is 50 ℃;

[0025]The mass of ammonium metavanadate in the ammonium metavanadate solution is 2% of the material mass, C12H27BO3The quality is 1% of ...

Embodiment 2

[0029]A phosphor that can promote plant growth, the chemical expression of the phosphor is:

[0030]Y0.9B0.3V0.7O3.7: 0.04Eu3+, 0.06Gd3+

[0031]The preparation method includes the following steps:

[0032]S1: Weigh Y according to the stoichiometric ratio2O3, Eu2O3, Gd2O3, Obtain materials, dissolve the materials in concentrated hydrochloric acid to form a rare earth chloride salt solution;

[0033]S2: Recrystallize the rare earth chloride salt solution to obtain rare earth chloride salt crystals, and dissolve the rare earth chloride salt crystals in ethanol to prepare an alcohol solution;

[0034]S3: Add ammonium metavanadate solution and C to the alcohol solution of S212H27BO3, The stirrer stirs evenly; then add ammonia water to adjust the pH value of the solution to 7, the water bath is heated to produce precipitation, the water bath heating temperature is 70 ℃;

[0035]The mass of ammonium metavanadate in the ammonium metavanadate solution is 2% of the material mass, C12H27BO3The quality is 1% of...

Embodiment 3

[0039]A phosphor that can promote plant growth, the chemical expression of the phosphor is:

[0040]Y0.9B0.3V0.7O3.7: 0.04Eu3+, 0.06Gd3+

[0041]The preparation method includes the following steps:

[0042]S1: Weigh Y according to the stoichiometric ratio2O3, Eu2O3, Gd2O3, Obtain materials, dissolve the materials in concentrated hydrochloric acid to form a rare earth chloride salt solution;

[0043]S2: Recrystallize the rare earth chloride salt solution to obtain rare earth chloride salt crystals, and dissolve the rare earth chloride salt crystals in ethanol to prepare an alcohol solution;

[0044]S3: Add ammonium metavanadate solution and C to the alcohol solution of S212H27BO3, The stirrer stirs evenly; then add ammonia water to adjust the pH value of the solution to 8, the water bath is heated to produce precipitation, the water bath heating temperature is 70 ℃;

[0045]The mass of ammonium metavanadate in the ammonium metavanadate solution is 5% of the material mass, C12H27BO3The quality is 1% of...

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Abstract

The invention discloses fluorescent powder capable of promoting plant growth and a preparation method of the fluorescent powder. The invention provides the fluorescent powder, and the chemical expression of the fluorescent powder is as follows: Y0.9B0.3V0.7O3.7: 0.04Eu<3+>, 0.06Gd<3+>. The red fluorescent powder provided by the invention is good in color purity and high in luminous efficiency, canbe used in a plant growth lamp, and is beneficial to enhancing plant photosynthesis and promoting plant growth. Meanwhile, the preparation method is simple and short in preparation period.

Description

Technical field[0001]The invention specifically relates to a fluorescent powder capable of promoting plant growth and a preparation method thereof.Background technique[0002]The main technical means to increase crop yields include biotechnology, chemical methods, and physical methods. Biotechnology such as hybrid rice, chemical methods such as the application of fertilizers and hormones, and physical methods including humidity and light control to promote plant growth. The existing problems of greenhouse planting are short days and long nights in winter, insufficient crop light, affecting photosynthesis, reducing crop yields, and lack of light also affecting flowering, pollination, fruiting and other issues. Visible light has a regulatory effect on plant photosynthesis, growth and development, and morphological material metabolism.[0003]According to the light required by the law of plant growth, artificial light is used instead of sunlight to provide supplementary light for all aspec...

Claims

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Application Information

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IPC IPC(8): C09K11/82A01G7/04
CPCC09K11/7797A01G7/045
Inventor 王晶徐达尹向南
Owner DONGTAI TIANYUAN FLUORESCENT MATERIALS CO LTD
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