CN101144018A - Rare earth luminescent material capable of generating afterglow light by friction and preparation method thereof - Google Patents

Rare earth luminescent material capable of generating afterglow light by friction and preparation method thereof Download PDF

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Publication number
CN101144018A
CN101144018A CNA2007101694217A CN200710169421A CN101144018A CN 101144018 A CN101144018 A CN 101144018A CN A2007101694217 A CNA2007101694217 A CN A2007101694217A CN 200710169421 A CN200710169421 A CN 200710169421A CN 101144018 A CN101144018 A CN 101144018A
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rare earth
luminescent material
friction
light
mixed
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CNA2007101694217A
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刘壮
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Abstract

The invention belongs to luminescence and display field, which relates to a rare earth luminescent material producing afterglow light through friction without illumination, wherein a material with a structure formula: M1-x question mark N.Al2O3 question mark aB2O3: Eux2+, after material selection, is ground and mixed to feed into Al2O3 crucible or silica crucible, and then sintered in nitrogen atmosphere under high temperature to obtain a luminescent material; after cooling and grinding, the resulting luminescent material is screened and post-treated to obtain a rare earth luminescent material emitting green afterglow light through friction. The patterns or elements formed by the afterglow luminescent materials of the invention can produce green afterglow light through rapid friction for up to 30-60 min any illumination. The luminescent materials of the invention also can be used for light source in particular environments, such as national defence and military, industrial, and mine, besides using for anti-counterfeiting.

Description

Friction produces rare earth luminescent material of after-glow light and preparation method thereof
Technical field
The invention belongs to luminous and the demonstration field, relate to a kind of the friction and produce the rare earth luminescent material of after-glow light without illumination.
Background technology
At present, domestic and international existing luminescent material such as ZnS:Cu, SrAl 2O 3: Eu, Dy, Sr, Ca, S:Eu, YOS:Eu, Ti etc. must just can send after-glow light after light (ultraviolet or visible light) irradiation, and twilight sunset material of the present invention, light requirement is according to reach 30-60 minute after-glow light as long as can produce after rubbing fast.Like this, overcome, under without any the condition of light source,, reached the indicative function of weak illumination as long as can produce fast after-glow light when long after the friction to luminescent material in some particular surroundingss.
Summary of the invention
The object of the present invention is to provide a kind of novel rare-earth long after glow luminous material, do not need under the situation of any ultraviolet or radiation of visible light, only after rubbing fast, get final product the after-glow light of green-emitting, reach 30-60 minute.The chemical structural formula of this invention material is: M 1-xN.Al 2O 3AB 2O 3: Eu X 2+
Technical scheme of the present invention, concrete preparation method is as follows:
1, material is chosen according to chemical structural formula: M 1-xN.Al 2O 3AB 2O 3: Eu X 2+, take by weighing highly purified following six kinds of materials respectively according to its weight percent:
SrCO 3(AR)-52.497％-56.497％
Al 2O 3(AR)-28.328％-32.328％
B 2O 3(AR)-2.314％-2.325％
Eu 2O 3(4N)-0.532％-0.540％
SrCl 2·6H2O(AR)-5.186％-5.463％
CaCO 3(AR)-5.781％-5.864％
And be mixed with the basic metal of minute quantity amount or alkaline earth metal chloride as the charge compensation agent.As SrCl 2, CaCl 2Deng.
2, through fully grinding the Al that packs into after being mixed 2O 3In crucible or the quartz crucible in nitrogen atmosphere through 1000-1350 ℃ of high temperature sintering 1-3 hour;
3, the cooling back is taken out and is pulverized, sieves, and can obtain the rare earth crystal powder of green-emitting after-glow light after rubbing through aftertreatment (washing or pickling).
This rare earth crystal powder is coated with after with the weight percent of 5-25% and resin, lacquer class or plastics uniform mixing and is copied into film or different shapes element, gets final product practical application.
The chemical structural formula of rare earth afterglow material of the present invention is M 1-xN.Al 2O 3AB 2O 3: Eu X 2+, M wherein 1-xBe basic metal Sr and portion C a, Ba, solubility promoter B 2O 3Span be 0.01≤a≤0.05, activator Eu xSpan 0.005≤x≤0.05,1＜N≤2.
The beneficial effect of rare earth afterglow material of the present invention is to be different from existingly only at the luminescent material that just produces after-glow light after illumination, reaches 30-60 minute and only need to produce the after-glow light that sends green light after quick friction.The luminescent material that after-glow light is sent out in friction of the present invention is used in and is used as Warning Mark, weak illumination light source in the environment that does not have illumination.In particular surroundingss such as national defence, industry, mine, be a kind of novel nontoxic, pollution-free, environmental protection and energy saving rare earth luminescent material.
Embodiment
Embodiment 1:
1, material is chosen according to chemical structural formula: M 1-xN.Al 2O 3AB 2O 3: Eu X 2+, take by weighing highly purified following six kinds of materials respectively according to its weight percent:
SrCO 3(AR)-55.488％
Al 2O 3(AR)-30.328％
B 2O 3(AR)-2.325％
Eu 2O 3(4N)-0.532％
SrCl 2·6H 2O(AR)-5.463％
CaCO 3(AR)-5.864％
2, through fully grinding the Al that packs into after being mixed 2O 3In nitrogen atmosphere, burnt 2 hours in crucible or the quartz crucible through 1200 ℃ of high temperature;
3, the cooling back is taken out and is pulverized, sieves, and can obtain the rare earth crystal powder of green-emitting after-glow light after rubbing through aftertreatment.
Embodiment 2:
Material is chosen according to chemical structural formula: M 1-xN.Al 2O 3AB 2O 3: Eu X 2+, take by weighing highly purified following six kinds of materials respectively according to its weight percent:
SrCO 3(AR)-54.488％
Al 2O 3(AR)-31.328％
B 2O 3(AR)-2.325％
Eu 2O 3(4N)-0.532％
CaCl 2-5.546％
CaCO3(AR)-5.781％
2, through fully grinding the Al that packs into after being mixed 2O 3Or in nitrogen atmosphere, burnt 1 hour in the quartz crucible through 1000 ℃ of high temperature;
3, the cooling back is taken out and is pulverized, sieves, and can obtain the rare earth crystal powder of green-emitting after-glow light after rubbing through aftertreatment.
Embodiment 3:
Material is chosen according to chemical structural formula: M 1-xN.Al 2O 3AB 2O 3: Eu X 2+, take by weighing highly purified following six kinds of materials respectively according to its weight percent:
SrCO 3(AR)-55.997％
Al 2O 3(AR)-32.328％
B 2O 3(AR)-2.325％
Eu 2O 3(4N)-0.532％
BaCl 2·2H 2O-5.186％
CaCO 3(AR)-6.632％
2, through fully grinding the Al that packs into after being mixed 2O 3Or in nitrogen atmosphere, burnt 3 hours in the quartz crucible through 1350 ℃ of high temperature;
3, the cooling back is taken out and is pulverized, sieves, and can obtain the rare earth crystal powder of green-emitting after-glow light after rubbing through aftertreatment.
Embodiment 4:
The sintering synthesis step is with example 1, and material is chosen for:
SrCO 3(AR)-55.497％
Al 2O 3(AR)-29.328％
B 2O 3(AR)-2.314％
Eu 2O 3(4N)-0.532％
CaCl 2-5.465％
BaCO 3(AR)-6.864％
Embodiment 5:
The sintering synthesis step is with example 1, and material is chosen for:
SrCO 3(AR)-52.497％
Al 2O 3(AR)-32.328％
B 2O 3(AR)-2.325％
Eu 2O 3(4N)-0.540％
SrCl 2·2H 2O-5.465％
BaCO 3(AR)-6.845％
Embodiment 6:
The sintering synthesis step is with example 1, and material is chosen for:
SrCO 3(AR)-56.497％
Al 2O 3(AR)-28.328％
B 2O 3(AR)-2.325％
Eu 2O 3(4N)-0.532％
BaCl·2H 2O-5.465％
CaCO 3(AR)-6.853％。

Claims (3)

1. friction produces the preparation method of the rare earth luminescent material of after-glow light, it is characterized in that concrete steps are as follows:
(1) material is chosen according to chemical structural formula: M 1-xN.Al 2O 3AB 2O 3: Eu X 2+, take by weighing highly purified following six kinds of materials respectively according to its weight percent:
SrCO 3(AR)—52.497％-56.497％
Al 2O 3(AR)—28.328％-32.328％
B 2O 3(AR)—2.314％-2.325％
Eu 2O 3(4N)—0.532％-0.540％
SrCl 2·6H 2O(AR)—5.186％-5.463％
CaCO 3(AR)—5.781％-5.864％
And be mixed with minute quantity SrCl 2Or CaCl 2As the charge compensation agent;
(2) through fully grinding the Al that packs into after being mixed 2O 3In crucible or the quartz crucible in nitrogen atmosphere through 1000-1350 ℃ of high temperature sintering 1-3 hour;
(3) cooling back is taken out and is pulverized, sieves, and can obtain the rare earth crystal powder of green-emitting after-glow light after rubbing through washing or pickling.
2. produce the preparation method of the rare earth luminescent material of after-glow light by the described friction of claim 1, it is characterized in that concrete steps are as follows:
(1) material is chosen according to chemical structural formula: M 1-xN.Al 2O 3AB 2O 3: Eu X 2+, take by weighing highly purified following six kinds of materials respectively according to its weight percent:
SrCO 3(AR)—55.488％
Al 2O 3(AR)—30.328％
B 2O 3(AR)—2.325％
Eu 2O 3(4N)—0.532％
SrCl 2·6H 2O(AR)—5.463％
CaCO 3(AR)—5.864％
And be mixed with minute quantity CaCl 2As the charge compensation agent;
(2) through fully grinding the Al that packs into after being mixed 2O 3In nitrogen atmosphere, burnt 2 hours in crucible or the quartz crucible through 1200 ℃ of high temperature;
(3) cooling back is taken out and is pulverized, sieves, through can obtain the rare earth crystal powder of green-emitting after-glow light after rubbing through washing or pickling.
3. friction produces the rare earth luminescent material of after-glow light, it is characterized in that its chemical structural formula is M 1-xNAl 2O 3AB 2O 3: Eu x 2+, M wherein 1-xBe basic metal Sr and portion C a, Ba, solubility promoter B 2O 3Span be 0.01≤a≤0.05, activator Eu xSpan 0.005≤x≤0.05,1＜N≤2.
CNA2007101694217A 2007-11-15 2007-11-15 Rare earth luminescent material capable of generating afterglow light by friction and preparation method thereof Pending CN101144018A (en)

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CN101144018A true CN101144018A (en) 2008-03-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101270286B (en) * 2008-05-21 2011-07-20 中国科学院长春应用化学研究所 White radiation fluorescent powder for LED excitated with ultraviolet and near ultraviolet and preparation method thereof
CN105802618A (en) * 2014-12-31 2016-07-27 四川新力光源股份有限公司 Afterglow-adjustable luminescent material and preparation method thereof, and LED illuminating device using afterglow-adjustable luminescent material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101270286B (en) * 2008-05-21 2011-07-20 中国科学院长春应用化学研究所 White radiation fluorescent powder for LED excitated with ultraviolet and near ultraviolet and preparation method thereof
CN105802618A (en) * 2014-12-31 2016-07-27 四川新力光源股份有限公司 Afterglow-adjustable luminescent material and preparation method thereof, and LED illuminating device using afterglow-adjustable luminescent material
CN105802618B (en) * 2014-12-31 2018-05-11 四川新力光源股份有限公司 A kind of twilight sunset tunable radiation emitting material and preparation method thereof and use its LED light device

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Open date: 20080319