Preparation method of rare earth inorganic composite material with high luminous intensity

A luminous intensity, rare earth inorganic technology, applied in luminescent materials, chemical instruments and methods, etc., can solve problems such as poor luminous intensity, and achieve the effects of narrow peak width, high intensity, and superior luminescent performance

Inactive Publication Date: 2020-05-29
ANHUI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the composite material formed by combining rare earth materials and inorganic materials can have luminous intensity, the luminous intensity is poor, so further improvement is needed

Method used

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  • Preparation method of rare earth inorganic composite material with high luminous intensity
  • Preparation method of rare earth inorganic composite material with high luminous intensity
  • Preparation method of rare earth inorganic composite material with high luminous intensity

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Experimental program
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Effect test

Embodiment 1

[0025] A preparation method of a rare earth inorganic composite material with high luminous intensity in this embodiment comprises the following steps:

[0026] Step 1, raw material mixing: Er, Cr 2 o 3 , PbF 2 , PbO, H 3 BO 3 Carry out mixing process according to the weight ratio of 1:1:8:2:2;

[0027] Step 2, pre-activation treatment: preheat the raw materials mixed in step 1 to 60°C, then conduct heat preservation treatment, and then send them into the reactor for variable temperature and pressure treatment;

[0028] Step 3, deep activation treatment: the material after pre-activation treatment is treated with corona first, the corona field strength is 160KV / m, the corona time is 15min, and then the 60 co r Radiation source excitation treatment;

[0029] Step 4, alumina crucible sintering treatment: send the deeply activated material into the alumina crucible, firstly the natural temperature rises to 1200°C, then keeps the temperature for 96h, then drops to 1000°C at...

Embodiment 2

[0035] A preparation method of a rare earth inorganic composite material with high luminous intensity in this embodiment comprises the following steps:

[0036] Step 1, raw material mixing: Er, Cr 2 o 3 , PbF 2 , PbO, H 3 BO 3 Carry out mixing process according to the weight ratio of 1:1:8:2:2;

[0037] Step 2, pre-activation treatment: preheat the raw materials mixed in step 1 to 100°C, then perform heat preservation treatment, and then send them into the reactor for variable temperature and pressure treatment;

[0038] Step 3, deep activation treatment: the material after pre-activation treatment is treated with corona first, the corona field strength is 220KV / m, and the corona time is 25min, and then use 60 co r Radiation source excitation treatment;

[0039] Step 4, alumina crucible sintering treatment: send the deeply activated material into the alumina crucible, firstly the natural temperature rises to 1200°C, then keeps the temperature for 96h, then drops to 1000...

Embodiment 3

[0045] A preparation method of a rare earth inorganic composite material with high luminous intensity in this embodiment comprises the following steps:

[0046] Step 1, raw material mixing: Er, Cr 2 o 3 , PbF 2 , PbO, H 3 BO 3Carry out mixing process according to the weight ratio of 1:1:8:2:2;

[0047] Step 2, pre-activation treatment: preheat the raw materials mixed in step 1 to 80°C, then conduct heat preservation treatment, and then send them into the reactor for variable temperature and pressure treatment;

[0048] Step 3, deep activation treatment: the material after pre-activation treatment is first treated with corona, the corona field strength is 180KV / m, and the corona time is 20min, and then use 60 co r Radiation source excitation treatment;

[0049] Step 4, alumina crucible sintering treatment: send the deeply activated material into the alumina crucible, firstly the natural temperature rises to 1200°C, then keeps the temperature for 96h, then drops to 1000°C...

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Abstract

The invention discloses a preparation method of a rare earth inorganic composite material with high luminous intensity. The preparation method comprises the following steps: step 1, mixing raw materials, namely mixing Er, Cr2O3, PbF2, PbO and H3BO3 according to the weight ratio of 1: 1: 8: 2: 2. Er and Cr2O3 are used as main materials; PbF2, PbO and H3BO3 are matched to serve as auxiliary materials, the Er3Al5O12 luminescent material is sintered in an aluminum oxide crucible, the wavelength of 532 nm laser excitation is adopted in the luminescent material, and at the wavelength of 694 nm, theexcited luminescent performance is excellent, the peak width is narrow, and the intensity is high.

Description

technical field [0001] The invention relates to the technical field of luminescent materials, in particular to a preparation method of a rare earth inorganic composite material with high luminous intensity. Background technique [0002] After the matter is excited (such as rays, high-energy particles, electron beams or external electric fields, etc.), it will be in an excited state, and the energy in the excited state will be released in the form of light or heat. If the released energy is in the visible, ultraviolet or Near-infrared electromagnetic radiation, this process is called the luminescence process, and the substance that can realize the luminescence process is called the luminescence material. my country is the country with the richest rare earth resources in the world, accounting for 80% of the world's reserves, and has unique advantages in rare earth research. The luminescence of rare earth complexes, as an interdisciplinary subject of inorganic luminescence, or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K11/78C09K11/80
CPCC09K11/7712C09K11/7706
Inventor 倪江利阚绪材刘先松冯双久李亮陈利杰李勇
Owner ANHUI UNIVERSITY
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