CN108007949A - A kind of detection method of long-afterglow material - Google Patents
A kind of detection method of long-afterglow material Download PDFInfo
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- CN108007949A CN108007949A CN201711379299.6A CN201711379299A CN108007949A CN 108007949 A CN108007949 A CN 108007949A CN 201711379299 A CN201711379299 A CN 201711379299A CN 108007949 A CN108007949 A CN 108007949A
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- long
- afterglow material
- afterglow
- detection
- emission spectrum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
Abstract
The present invention provides a kind of detection method of long-afterglow material, including：(1) long-afterglow material to be measured is taken, is ground；(2) XRD detections are carried out to long-afterglow material；(3) excitation spectrum detection is carried out to long-afterglow material and emission spectrum detects：Long-afterglow material after grinding is placed in Fluorescence Spectrometer and carries out excitation spectrum detection and emission spectrum detection respectively, obtains the excitation spectrum and emission spectrum of long-afterglow material；The excitation spectrum and emission spectrum of long-afterglow material are analyzed, determine the luminosity of long-afterglow material；(4) twilight sunset emission spectrum detection is carried out to long-afterglow material：Long-afterglow material after grinding is placed in progress twilight sunset emission spectrum detection in Fluorescence Spectrometer, obtains the twilight sunset emission spectrum of long-afterglow material；The twilight sunset emission spectrum of long-afterglow material is analyzed, determines the persistent quality of long-afterglow material.The method of the present invention can reduce long-afterglow material detection error, improve conventional efficient.
Description
Technical field
The present invention relates to luminescent material technical field, more particularly to a kind of detection method of long-afterglow material.
Background technology
Long after glow luminous material abbreviation long-afterglow material, is commonly called as luminescent powder, is a kind of energy storage material, it can be absorbed
Uv and visible light, and part energy is stored, and after stopping excitation in the external world, and can be slowly by stored energy
Amount is discharged in the form of visible ray, and can last for hours, so being referred to as long-afterglow material.Due to long-persistence luminous material
Material can absorb and store outside energy and then slowly release energy, and accumulation of energy and luminescence process can repeatedly be repeated, and be one
Kind " green light source material ", so the light-storing and emitting material that is otherwise known as.In today of energy worsening shortages, because of long-afterglow material
What is consumed in afterglow is the energy of itself storage, it is not necessary to external world's supply energy so that the material is in some specific rings
Have the function that under border irreplaceable.
Long after glow luminous material is usually to be made of the matrix as body of material compound and dopant.Host material is normal
See for sulfide, aluminate, silicate and oxysulfide etc..Dopant uses most activator as rare earth ion at this stage,
Such as praseodymium, europium, dysprosium plasma.
But for newly develop long-afterglow material characterization and detection and analysis also there are certain difficulty.
The content of the invention
Present invention is generally directed to above-mentioned technical problem, proposes a kind of detection method of long-afterglow material, can reduce more than length
Brightness material tests error, exclude experiment interference, improves conventional efficient, is component, luminescent properties, the persistent quality of long-afterglow material
Analysis reliable foundation is provided.
The present invention provides a kind of detection method of long-afterglow material, including：
(1) long-afterglow material to be measured is taken, is ground；
(2) XRD detections are carried out to long-afterglow material：Long-afterglow material after grinding is placed in XRD detectors and is examined
Survey, obtain the XRD spectrum of long-afterglow material, XRD spectrum is compared with standard card, determine the matrix of long-afterglow material into
Point；
(3) excitation spectrum detection is carried out to long-afterglow material and emission spectrum detects：Long-afterglow material after grinding is put
Carry out excitation spectrum detection and emission spectrum detection respectively in Fluorescence Spectrometer, obtain the excitation spectrum and hair of long-afterglow material
Penetrate spectrum；The excitation spectrum and emission spectrum of long-afterglow material are analyzed, determine the luminosity of long-afterglow material；
(4) twilight sunset emission spectrum detection is carried out to long-afterglow material：Long-afterglow material after grinding is placed in fluorescence spectrum
Twilight sunset emission spectrum detection is carried out in instrument, obtains the twilight sunset emission spectrum of long-afterglow material；The twilight sunset of long-afterglow material is launched
Spectrum is analyzed, and determines the persistent quality of long-afterglow material.
Preferably, the running parameter of the XRD detectors is：
Anode is used as using Ni metal target (radiation source be K lines, λ=0.15406nm), instrument electron accelerating voltage is arranged to
40KV, operating current 30mA, sweep speed are 2 °/min, and 2 θ angle sweeps step-lengths of selection are 0.02 °, 2 θ angle models of measurement
Enclose for 20 °~60 °.
Preferably, the running parameter of the Fluorescence Spectrometer is：
By the use of the xenon lamp of 150W as excitation source, R928 photomultipliers are as detector, resolution ratio 1.0nm, scanning
Speed is 2400nm/min.
Preferably, further include：The color that long-afterglow material is obtained according to the excitation spectrum of long-afterglow material and emission spectrum is sat
Mark, to carry out the chroma-matching arithmetic of long-afterglow material.
Preferably, further include：Fluorescence decay detection is carried out to long-afterglow material：Long-afterglow material after grinding is placed in glimmering
Fluorescence decay detection is carried out in photothermal spectroscopic analyzer, obtains the fluorescence decay curve of long-afterglow material；Decline to the fluorescence of long-afterglow material
Subtract curve to be analyzed, determine the fluorescence decay property of long-afterglow material.
Preferably, further include：Emission spectrum detection is carried out to long-afterglow material at different temperatures, temperature is to more than length
The influence of brightness material emission property.
A kind of detection method of long-afterglow material provided by the invention, the method for the present invention is simple, of low cost, can reduce
Long-afterglow material detection error, exclude experiment interference, improves conventional efficient, is the component, luminescent properties, twilight sunset of long-afterglow material
The analysis of property provides comprehensive, reliable foundation.
Embodiment
For make present invention solves the technical problem that, the technical solution that uses and the technique effect that reaches it is clearer, below
The present invention is described in further detail in conjunction with the embodiments.It is understood that specific embodiment described herein is only
For explaining the present invention, rather than limitation of the invention.
The present invention provides a kind of detection method of long-afterglow material, including：
(1) long-afterglow material to be measured is taken, is ground；
(2) XRD detections are carried out to long-afterglow material：Long-afterglow material after grinding is placed in XRD detectors and is examined
Survey, obtain the XRD spectrum of long-afterglow material, XRD spectrum is compared with standard card, determine the matrix of long-afterglow material into
Point；
(3) excitation spectrum detection is carried out to long-afterglow material and emission spectrum detects：Long-afterglow material after grinding is put
Carry out excitation spectrum detection and emission spectrum detection respectively in Fluorescence Spectrometer, obtain the excitation spectrum and hair of long-afterglow material
Penetrate spectrum；The excitation spectrum and emission spectrum of long-afterglow material are analyzed, determine the luminosity of long-afterglow material；
(4) twilight sunset emission spectrum detection is carried out to long-afterglow material：Long-afterglow material after grinding is placed in fluorescence spectrum
Twilight sunset emission spectrum detection is carried out in instrument, obtains the twilight sunset emission spectrum of long-afterglow material；The twilight sunset of long-afterglow material is launched
Spectrum is analyzed, and determines the persistent quality of long-afterglow material.
Preferably, the running parameter of the XRD detectors is：
Anode is used as using Ni metal target (radiation source be K lines, λ=0.15406nm), instrument electron accelerating voltage is arranged to
40KV, operating current 30mA, sweep speed are 2 °/min, and 2 θ angle sweeps step-lengths of selection are 0.02 °, 2 θ angle models of measurement
Enclose for 20 °~60 °.
Preferably, the running parameter of the Fluorescence Spectrometer is：
By the use of the xenon lamp of 150W as excitation source, R928 photomultipliers are as detector, resolution ratio 1.0nm, scanning
Speed is 2400nm/min.
Preferably, further include：The color that long-afterglow material is obtained according to the excitation spectrum of long-afterglow material and emission spectrum is sat
Mark, to carry out the chroma-matching arithmetic of long-afterglow material.
Preferably, further include：Fluorescence decay detection is carried out to long-afterglow material：Long-afterglow material after grinding is placed in glimmering
Fluorescence decay detection is carried out in photothermal spectroscopic analyzer, obtains the fluorescence decay curve of long-afterglow material；Decline to the fluorescence of long-afterglow material
Subtract curve to be analyzed, determine the fluorescence decay property of long-afterglow material.
Preferably, further include：Emission spectrum detection is carried out to long-afterglow material at different temperatures, temperature is to more than length
The influence of brightness material emission property.
A kind of detection method of long-afterglow material provided by the invention, the method for the present invention is simple, of low cost, can reduce
Long-afterglow material detection error, exclude experiment interference, improves conventional efficient, is the component, luminescent properties, twilight sunset of long-afterglow material
The analysis of property provides comprehensive, reliable foundation.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its is right
Technical solution described in foregoing embodiments is modified, and either which part or all technical characteristic are equally replaced
Change, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical solution.
Claims (6)
- A kind of 1. detection method of long-afterglow material, it is characterised in that including：(1) long-afterglow material to be measured is taken, is ground；(2) XRD detections are carried out to long-afterglow material：Long-afterglow material after grinding is placed in XRD detectors and is detected, is obtained To the XRD spectrum of long-afterglow material, XRD spectrum is compared with standard card, determines the matrix components of long-afterglow material；(3) excitation spectrum detection is carried out to long-afterglow material and emission spectrum detects：Long-afterglow material after grinding is placed in glimmering Excitation spectrum detection and emission spectrum detection are carried out in photothermal spectroscopic analyzer respectively, obtains the excitation spectrum and transmitting light of long-afterglow material Spectrum；The excitation spectrum and emission spectrum of long-afterglow material are analyzed, determine the luminosity of long-afterglow material；(4) twilight sunset emission spectrum detection is carried out to long-afterglow material：Long-afterglow material after grinding is placed in Fluorescence Spectrometer Twilight sunset emission spectrum detection is carried out, obtains the twilight sunset emission spectrum of long-afterglow material；To the twilight sunset emission spectrum of long-afterglow material Analyzed, determine the persistent quality of long-afterglow material.
- 2. the detection method of long-afterglow material according to claim 1, it is characterised in that the work of the XRD detectors Parameter is：Anode is used as using Ni metal target (radiation source be K lines, λ=0.15406nm), instrument electron accelerating voltage is arranged to 40KV, operating current 30mA, sweep speed are 2 °/min, and 2 θ angle sweeps step-lengths of selection are 0.02 °, 2 θ angle models of measurement Enclose for 20 °~60 °.
- 3. the detection method of long-afterglow material according to claim 1, it is characterised in that the work of the Fluorescence Spectrometer Parameter is：By the use of the xenon lamp of 150W as excitation source, R928 photomultipliers are as detector, resolution ratio 1.0nm, sweep speed For 2400nm/min.
- 4. the detection method of long-afterglow material according to claim 1, it is characterised in that further include：According to long afterglow material The excitation spectrum and emission spectrum of material obtain the chromaticity coordinates of long-afterglow material, to carry out the chroma-matching arithmetic of long-afterglow material.
- 5. the detection method of long-afterglow material according to claim 1, it is characterised in that further include：To long-afterglow material Carry out fluorescence decay detection：Long-afterglow material after grinding is placed in progress fluorescence decay detection in Fluorescence Spectrometer, is grown The fluorescence decay curve of afterglowing material；The fluorescence decay curve of long-afterglow material is analyzed, determines the glimmering of long-afterglow material Light attenuating properties.
- 6. the detection method of long-afterglow material according to claim 1, it is characterised in that further include：At different temperatures Emission spectrum detection, influence of the temperature to long-afterglow material luminosity are carried out to long-afterglow material.
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| CN201711379299.6A CN108007949A (en) | 2017-12-20 | 2017-12-20 | A kind of detection method of long-afterglow material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940685A (en) * | 2019-11-22 | 2020-03-31 | 南昌航空大学 | Organic electroluminescent material, organic electroluminescent device and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940685A (en) * | 2019-11-22 | 2020-03-31 | 南昌航空大学 | Organic electroluminescent material, organic electroluminescent device and control method |
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Application publication date: 20180508 |