CN1443827A - Preparation method of long-afterglow luminescent material zine phosphate - Google Patents

Preparation method of long-afterglow luminescent material zine phosphate Download PDF

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CN1443827A
CN1443827A CN 03109879 CN03109879A CN1443827A CN 1443827 A CN1443827 A CN 1443827A CN 03109879 CN03109879 CN 03109879 CN 03109879 A CN03109879 A CN 03109879A CN 1443827 A CN1443827 A CN 1443827A
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zinc phosphate
luminous material
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CN1228415C (en
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苏锵
王静
吕玉华
李成宇
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Changchun Institute of Applied Chemistry of CAS
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Changchun Institute of Applied Chemistry of CAS
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Abstract

The present invention relates to a long afterglow luminous material zinc phosphate. Its preparation method includes the following steps: mixing the carbonates, oxides, phosphates, nitrates, acetaets and sulfates of the above-mentioned elements in the representation formula as raw material to obtain their mixture, grinding said mixture and flux and uniformly mixing them; selecting air, nitrogen gas, carbon, carbon monoxide gas, hydrogen gas or nitrogen-hydrogen mixed gas, presintering at 200-600 deg.C for 2-6 hr., cooling to room temp., secondary grinding and uniformly mixing them, sintering at 500-1100 deg.C for 4-10 hr. so as to obtain said invented product.

Description

The preparation method of long after glow luminous material zinc phosphate
Technical field
The present invention relates to a kind of preparation method of long after glow luminous material zinc phosphate, more particularly, relate to a kind of yellow-green colour, orange-yellow, particularly the composition of red long afterglow luminous material zinc phosphate and preparation method.
Background technology
As other illumination and demonstration industry, pursue blue, green, red three primary colours long after glow luminous material to realize that all-colour luminous illumination is the ultimate aim of long after glow luminous material industry.Yet so far, people only research and develop out good blue look of afterglow property and green long afterglow material, and the good red long afterglow luminous material of famine.Recently, Royce etc. are at patent US5, in 650,094, disclose a kind of rare-earth activated divalence titanate red long afterglow material (CaZnMg) TiO 3: Pr, its twilight sunset only continues 10min.At present, commercial red long afterglow material still adopts the extremely unsettled alkaline earth sulfide of chemical property, and this system chance water electrode easily decomposes, and must just can reach the commercialization purpose of round-the-clock stable use by film-coating technique, thereby, increased production cost accordingly.In addition the time of persistence of this material also very short, though, many patents such as CN1351640A, US5,043,096 etc., be devoted to the raising of afterglow property by improving the whole bag of tricks such as synthesis path and composition,, the time of persistence of this system material is 1～2h only.Therefore, the present invention mainly is devoted to a kind of preparation of novel red long after glow luminous material.
Long-afterglow material is a kind of novel energy and material and energy-saving material.The generation of steady persistence phenomenon be it is generally acknowledged owing to mix and is caused the generation of impurity level (defect level), in excitation phase, impurity level is caught hole or electronics, when excite finish after, these electronics and hole slowly discharge owing to thermal motion, energy is emitted in electronics and hole combination, thereby produces the steady persistence phenomenon.Trap can be in order to store electrons and hole, and when trap depth was too dark, electronics and hole can not discharge from trap, and when trap depth was too shallow, the d/d speed in electronics and hole was then too fast, and both of these case all is unfavorable for the generation of steady persistence phenomenon.Except requiring suitable trap depth, to have suitable avidity also very important electronics and hole in the adulterated ion pair trap, too by force or too weak avidity twilight sunset is not all had the prolongation effect.Utilize storage light one characteristics of luminescence of long-afterglow material it can be widely applied to produce and all respects of people's lives.Long after glow luminous material mainly contains three big purposes at present: low emergency lighting, cue mark and decoration etc., this class material can be made luminous paint, light-emitting film, luminous fire protection safety sign, luminous printing ink, luminescent ceramic, luminescent plastics, luminescent fibre, luminescent paper, fluorescent glass etc., in building decoration, communications and transportation, military field important purposes is arranged all.Redness has lovely luster, bright eye-catching characteristics, thereby, can imagine that red long afterglow luminous material occupies special status and application prospect in the steady persistence industry.
Summary of the invention
The purpose of this invention is to provide a kind of new type long-persistence luminescent material zinc phosphate and preparation method thereof.
The selected substrate material of the present invention is that the zinc phosphate of different chemical structures comprises α, β and three kinds of kenels of γ.The main activation is mn ion, and auxiliary activator is one or more the lower valency and the metal ion of high valence state.After the matrix absorption certain energy, a part can shift and be caught by auxiliary activator, subsequently, under thermal excitation, gives the dominant activator mn ion in the slow release of room temperature and with transmission ofenergy.At last, send twilight sunset by mn ion.By various processing condition such as controlled temperature, doping ionic species and concentration, this system can be launched yellow-green colour, orange-yellow and red long-afterglow.Wherein the main twilight sunset spectrum of α type zinc phosphate is distributed in yellowish green and orange zone.And the twilight sunset spectrum of the zinc phosphate of two types of β and γ mainly is distributed in red area.
Long after glow luminous material of the present invention is synthetic by high temperature solid-state method according to the following steps: press chemical expression formula [Zn (1-x-y-z+m)M xN y] 3(PO 4) 2: zMn, wherein M be Li, Na, K, Sc, Y, La, Ce, Pr, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or/Lu; N is Al, Ga, In, Ti, Zr, Si, Ge, Sn or Pb; X, y, z and m refer to the molar percentage coefficient that corresponding dopant ion is occupied with respect to the Zn atom, x=0～6mol%, y=0～6mol%, z=0.01～10mol%, m=0～10mol%.Take by weighing carbonate, oxide compound, phosphoric acid salt, nitrate, the acetate of respective element, mixture and the fusing assistant boron oxide or the boric acid of vitriol according to above-mentioned chemical expression formula, after fully grinding and mixing, select air, nitrogen, charcoal, CO (carbon monoxide converter) gas, hydrogen or nitrogen and hydrogen mixture, sintering in two steps: at first, 200～600 ℃ of presintering of lesser temps 2～6 hours, when being chilled to room temperature, take out and fully grind once more and mix, then, again 500～1100 ℃ of sintering 4～10 hours.At last, sample is taken out grinding and promptly get product.
Preparation method of the present invention is simple, and the long-afterglow material twilight sunset color and luster that makes is various, can present yellow-green colour, orange-yellow and red three kinds of colors; Twilight sunset is bright, and time of persistence is long, and its twilight sunset can continue 0.5～4h, and wherein red long-afterglow at least after the 1h, still can with the naked eye be differentiated in dark situation; Simultaneously, this long-afterglow material preparation technology is simple, low production cost, and product chemistry stable in properties, fluffy very easy grinding, "dead", can not work the mischief to environment.The present invention will be further elaborated by following examples herein, and still, this does not also mean that content limitation of the present invention in details as herein described,
Embodiment
Embodiment 1:
According to chemical formula (Zn 0.85Zr 0.05Mn 0.10) 3(PO 4) 2Accurately take by weighing 2.55mol ZnO, 2mol (NH 4) 2HPO 4, 0.15mol ZrO 2With 0.3mol MnO, and 0.01mol B 2O 3Make solubility promoter, fully behind the mixing, in air, 200 ℃ of following presintering 6 hours, be chilled to room temperature after, take out and fully grind once more and in air, 900 ℃ of reactions 10 hours down, sample is γ-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 1 hour of its time of persistence.
Embodiment 2:
According to chemical formula (ZnSm 0.01Mn 0.04) 3(PO 4) 2, accurately take by weighing 3mol ZnO, 2molNH 4H 2PO 4, 0.015mol Sm 2O 3With 0.12mol MnCl 2, and 0.01mol H 3BO 3Make solubility promoter, fully behind the mixing, in air, 600 ℃ of following presintering 2 hours, be chilled to room temperature after, take out and fully grind once more and in air, 1100 ℃ of reactions 4 hours down, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow,, sustainable about about 3 hours of its time of persistence.
Embodiment 3:
According to chemical formula (Zn 0.934Li 0.001Si 0.06Mn 0.005) 3(PO 4) 2, accurately take by weighing 2.802molZnO, 2mol (NH 4) 2HPO 4, 0.0015mol Li 2CO 3, 0.18mol SiO 2And 0.015molMnCO 3, and 0.01mol H 3BO 3Make solubility promoter, fully behind the mixing, in the charcoal reducing atmosphere, 400 ℃ of following presintering 4 hours, be chilled to room temperature after, take out and fully grind once more and in the charcoal reducing atmosphere, 850 ℃ of reactions 8 hours down, sample is α-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched the yellow-green colour steady persistence, sustainable about about 0.5 hour of its time of persistence.
Embodiment 4:
According to chemical formula (Zn 0.9399Sn 0.06Mn 0.0001) 3(PO 4) 2, accurately take by weighing 2.8197mol ZnO, 2mol (NH 4) 2HPO 4, 0.18mol SnO 2With 0.0003mol MnCO 3, and 0.01molB 2O 3Make solubility promoter, fully behind the mixing, in the charcoal reducing atmosphere, 200 ℃ of following presintering 3 hours, be chilled to room temperature after, take out and fully grind once more and in the charcoal reducing atmosphere, 500 ℃ of reactions 10 hours down, sample is α-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched yellow longpersistent, sustainable about about 1 hour of its time of persistence.
Embodiment 5:
According to chemical formula (Zn 1.08Mn 0.02) 3(PO 4) 2, accurately take by weighing 3.24mol ZnO, 2mol (NH 4) 2HPO 4With 0.06mol Mn (acetate) 2, and 0.01mol H 3BO 3Make solubility promoter, fully behind the mixing, in carbon monoxide atmosphere, 400 ℃ of following presintering 6 hours, be chilled to room temperature after, take out and fully grind once more and in carbon monoxide atmosphere, 1000 ℃ of down reactions 10 hours, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 3 hours of its time of persistence.
Embodiment 6:
According to chemical formula (Zn 0.929Tm 0.06Ge 0.0011Mn 0.01) 3(PO 4) 2, accurately take by weighing 2.787molZnO, 2mol (NH 4) 2HPO 4, 0.09mol Tm 2O 3, 0.003mol GeO 2And 0.03molMnO 2, and 0.01mol B 2O 3Make solubility promoter, fully behind the mixing, in air, 500 ℃ of following presintering 2 hours, be chilled to room temperature after, take out and fully grind once more and in air, 950 ℃ of reactions 7 hours down, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 4 hours of its time of persistence.
Embodiment 7:
According to chemical formula (Zn 0.94Gd 0.02Pb 0.02Mn 0.02) 3(PO 4) 2, accurately take by weighing 2.82mol ZnO, 2mol (NH 4) 2HPO 4, 0.03mol Gd 2O 3, 0.06mol PbO 2With 0.06mol MnO, and 0.01mol B 2O 3Make solubility promoter, fully behind the mixing, in air, 300 ℃ of following presintering 3 hours, be chilled to room temperature after, take out and fully grind once more and in air, 980 ℃ of reactions 2 hours down, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 3 hours of its time of persistence.
Embodiment 8:
According to chemical formula (Zn 0.90Tb 0.05Mn 0.05) 3(PO 4) 2, accurately take by weighing 2.7mol ZnO, 2mol (NH 4) H 2PO 4, 0.0375mol Tb 4O 7With 0.15mol MnO, and 0.01mol B 2O 3Make solubility promoter, fully behind the mixing, at H 2In the reducing atmosphere, 400 ℃ of following presintering 6 hours, be chilled to room temperature after, take out and fully grind once more and at H 2In the reducing atmosphere, 900 ℃ of down reactions 10 hours, sample is γ-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 1 hour of its time of persistence.
Embodiment 9:
According to chemical formula (Zn 0.91Sc 0.05Mn 0.04) 3(PO 4) 2, accurately take by weighing 2.73mol ZnO, 2mol (NH 4) 2HPO 4, 0.075mol Sc 2O 3With 0.12mol MnO 2, and 0.01molB 2O 3Make solubility promoter, fully behind the mixing, at H 2In the reducing atmosphere, 200 ℃ of following presintering 6 hours, be chilled to room temperature after, take out and fully grind once more and at H 2In the reducing atmosphere, 800 ℃ of down reactions 10 hours, sample is α-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 1.5 hours of its time of persistence.
Embodiment 10:
According to chemical formula (Zn 0.90Dy 0.05Mn 0.05) 3(PO 4) 2, accurately take by weighing 2.7mol ZnO, 2mol (NH 4) 2HPO 4, 0.075mol Dy 2O 3With 0.15mol MnO, and 0.01mol B 2O 3Make solubility promoter, fully behind the mixing, in air, 500 ℃ of following presintering 6 hours, be chilled to room temperature after, take out and fully grind once more and in air, 950 ℃ of reactions 5 hours down, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 1 hour of its time of persistence.
Embodiment 11:
According to chemical formula (Zn 0.97Nd 0.02Mn 0.01) 3(PO 4) 2, accurately take by weighing 2.91mol ZnO, 2mol (NH 4) 2HPO 4, 0.03mol Nd 2O 3With 0.03mol MnCO 3, and 0.01molB 2O 3Make solubility promoter, fully behind the mixing, in air, 300 ℃ of following presintering 6 hours, be chilled to room temperature after, take out and fully grind once more and in air, 900 ℃ of reactions 10 hours down, sample is γ-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 1 hour of its time of persistence.
Embodiment 12:
According to chemical formula (Zn 0.91Er 0.04Mn 0.05) 3(PO 4) 2, accurately take by weighing 2.73mol ZnO, 2mol (NH 4) 2HPO 4, 0.06mol Er 2O 3With 0.15mol MnO, and 0.01molH 3BO 3Make solubility promoter, fully behind the mixing, at gas mixture N 2And H 2In the reducing atmosphere, 600 ℃ of following presintering 4 hours, be chilled to room temperature after, take out and fully grind once more and at gas mixture N 2And H 2In the reducing atmosphere, 950 ℃ of down reactions 6 hours, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 1.5 hours of its time of persistence.
Embodiment 13:
According to chemical formula (Zn 0.94Na 0.01In 0.02Mn 0.03) 3(PO 4) 2, accurately take by weighing 2.82mol ZnO, 2mol (NH 4) 2HPO 4, 0.015mol Na 2CO 3, 0.03In 2O 3With 0.09mol MnO, and 0.01mol H 3BO 3Make solubility promoter, fully behind the mixing, at N 2In the gas atmosphere, 500 ℃ of following presintering 4 hours, be chilled to room temperature after, take out and fully grind once more and at N 2In the gas atmosphere, 1000 ℃ of down reactions 5 hours, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 2 hours of its time of persistence.
Embodiment 14:
According to chemical formula (Zn 0.94Y 0.01Ga 0.02Mn 0.03) 3(PO 4) 2, accurately take by weighing 2.82mol ZnO, 2mol (NH 4) 2HPO 4, 0.015mol Y 2O 3, 0.03Ga 2O 3With 0.09mol MnO, and 0.01mol H 3BO 3Make solubility promoter, fully behind the mixing, at N 2In the gas atmosphere, 400 ℃ of following presintering 6 hours, be chilled to room temperature after, take out and fully grind once more and at N 2In the gas atmosphere, 1050 ℃ of down reactions 3 hours, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 1.5 hours of its time of persistence.
Embodiment 15:
According to chemical formula (Zn 0.94K 0.02Al 0.02Mn 0.02) 3(PO 4) 2, accurately take by weighing 2.82mol ZnO, 2mol (NH 4) 2HPO 4, 0.03mol K 2CO 3, 0.03Al 2O 3With 0.06mol MnO, and 0.01mol H 3BO 3Make solubility promoter, fully behind the mixing, at N 2In the gas atmosphere, 600 ℃ of following presintering 4 hours, be chilled to room temperature after, take out and fully grind once more and at N 2In the gas atmosphere, 950 ℃ of down reactions 8 hours, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 2 hours of its time of persistence.
Embodiment 16:
According to chemical formula (Zn 0.94La 0.03Mn 0.03) 3(PO 4) 2, accurately take by weighing 2.82mol ZnO, 2mol (NH 4) 2HPO 4, 0.045mol La 2O 3With 0.09mol MnO, and 0.01molH 3BO 3Make solubility promoter, fully behind the mixing, in carbon monoxide atmosphere, 500 ℃ of following presintering 3 hours, be chilled to room temperature after, take out and fully grind once more and in carbon monoxide atmosphere, 950 ℃ of down reactions 8 hours, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 2.5 hours of its time of persistence.
Embodiment 17:
According to chemical formula (Zn 0.92Yb 0.03Ti 0.01Mn 0.04) 3(PO 4) 2Accurately take by weighing 2.76mol ZnO, 2mol (NH 4) 2HPO 4, 0.03mol TiO 2, 0.045mol Yb 2O 3With 0.12mol MnO, and 0.01mol B 2O 3Make solubility promoter, fully behind the mixing, in air, 200 ℃ of following presintering 5 hours, be chilled to room temperature after, take out and fully grind once more and in air, 950 ℃ of reactions 8 hours down, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 1.5 hours of its time of persistence.
Embodiment 18:
According to chemical formula (Zn 0.91Eu 0.03Sn 0.01Mn 0.05) 3(PO 4) 2Accurately take by weighing 2.73mol ZnO, 2mol (NH 4) 2HPO 4, 0.09mol EuSO 4, 0.03mol SnO 2With 0.15mol MnO, and 0.01mol B 2O 3Make solubility promoter, fully behind the mixing, in carbon monoxide atmosphere, 600 ℃ of following presintering 5 hours, be chilled to room temperature after, take out and fully grind once more and in carbon monoxide atmosphere, 1000 ℃ of down reactions 6 hours, sample is β-(Zn) through the main thing of powder x-ray diffraction analysis mutually 3(PO 4) 2, through uviolizing 30 minutes, sample was launched red long-afterglow, sustainable about about 4 hours of its time of persistence.

Claims (5)

1, a kind of is the long after glow luminous material of matrix with the zinc phosphate, has following chemical structure
Formula:
[Zn (1-x-y-z+m)M xN y] 3(PO 4) 2: zMn, in the formula: M and N are respectively a kind of metallic cation salt; X, y, z and m refer to the molar percentage coefficient that corresponding dopant ion is occupied with respect to the Zn atom, x=0～6mol%, y=0～6mol%, z=0.01～10mol%, m=0～10mol%.
2, long after glow luminous material zinc phosphate as claimed in claim 1 is characterized in that, described M is Li, Na, K, Sc, Y, La, Ce, Pr, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu.
3, long after glow luminous material zinc phosphate as claimed in claim 1 is characterized in that, described N is Al, Ga, In, Ti, Zr, Si, Ge, Sn or Pb.
4, a kind of method for preparing above-mentioned long after glow luminous material zinc phosphate, take by weighing the mixture and the fusing assistant of carbonate, oxide compound, phosphoric acid salt, nitrate, acetate or the vitriol of respective element in described composition of claim 1 and ratio, after grinding and mixing, select air, nitrogen, charcoal, CO (carbon monoxide converter) gas, hydrogen or nitrogen and hydrogen mixture, 200～600 ℃ of presintering 2～6 hours, be chilled to room temperature, take out and fully grind once more and mix, 500～1100 ℃ of sintering 4～10 hours take out sample to grind and promptly get product.
5, preparation method as claimed in claim 4 is characterized in that, described fusing assistant is boron trioxide or boric acid.
CN 03109879 2003-04-17 2003-04-17 Preparation method of long-afterglow luminescent material zine phosphate Expired - Fee Related CN1228415C (en)

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Cited By (9)

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WO2007003102A1 (en) * 2005-07-01 2007-01-11 Sichuan Sunfor Light Co. Ltd Long afterglow luminescent material with compounded substrates and its preparation method
CN101793969A (en) * 2010-04-09 2010-08-04 中国科学院长春应用化学研究所 Application of LiCaBO3: Ce3+ for preparing thermoluminescent dosemeter
CN101942304A (en) * 2010-03-26 2011-01-12 兰州大学 Green fluorescent material for high-brightness PDP and preparation method thereof
CN102775987A (en) * 2012-07-08 2012-11-14 河北联合大学 Synthetic method of manganese-ion-doped zinc phosphate luminescent nanorods
CN103194228A (en) * 2013-03-28 2013-07-10 华南理工大学 Long-lasting phosphorescent material with optical excitation characteristic for biological imaging and preparation method and application thereof
CN103194227A (en) * 2013-04-01 2013-07-10 潍坊大耀新材料有限公司 Method for preparing red long-afterglow luminescent powder
CN103194229A (en) * 2013-03-29 2013-07-10 华南理工大学 Near-infrared long-afterglow florescent powder and preparation method thereof
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US7955523B2 (en) 2005-07-01 2011-06-07 Sichuan Sunfor Light Co., Ltd. Long afterglow luminescent material with compounded substrates and its preparation method
CN100485013C (en) * 2005-07-01 2009-05-06 四川新力光源有限公司 Composite substrate long-afterglow fluorescent material, and its preparing method
WO2007003102A1 (en) * 2005-07-01 2007-01-11 Sichuan Sunfor Light Co. Ltd Long afterglow luminescent material with compounded substrates and its preparation method
CN101591533B (en) * 2009-06-25 2014-03-19 郑子山 Red long afterglow luminescent material and preparation method thereof
CN101942304A (en) * 2010-03-26 2011-01-12 兰州大学 Green fluorescent material for high-brightness PDP and preparation method thereof
CN101793969A (en) * 2010-04-09 2010-08-04 中国科学院长春应用化学研究所 Application of LiCaBO3: Ce3+ for preparing thermoluminescent dosemeter
CN102775987A (en) * 2012-07-08 2012-11-14 河北联合大学 Synthetic method of manganese-ion-doped zinc phosphate luminescent nanorods
CN102775987B (en) * 2012-07-08 2014-12-17 河北联合大学 Synthetic method of manganese-ion-doped zinc phosphate luminescent nanorods
CN103194228A (en) * 2013-03-28 2013-07-10 华南理工大学 Long-lasting phosphorescent material with optical excitation characteristic for biological imaging and preparation method and application thereof
CN103194228B (en) * 2013-03-28 2015-06-03 华南理工大学 Long-lasting phosphorescent material with optical excitation characteristic for biological imaging and preparation method and application thereof
CN103194229A (en) * 2013-03-29 2013-07-10 华南理工大学 Near-infrared long-afterglow florescent powder and preparation method thereof
CN103194227A (en) * 2013-04-01 2013-07-10 潍坊大耀新材料有限公司 Method for preparing red long-afterglow luminescent powder
EP3492551A4 (en) * 2016-07-29 2020-03-11 National Institute of Advanced Industrial Science and Technology Charged particle detection material, and charged particle detection film and charged particle detection liquid using same
US11004572B2 (en) 2016-07-29 2021-05-11 National Institute Of Advanced Industrial Science And Technology Charged particle detection material, and charged particle detection film and charged particle detection liquid using the same

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