CN106634980A - Method for preparing and applying latent fingerprint development luminescent nanopowder - Google Patents
Method for preparing and applying latent fingerprint development luminescent nanopowder Download PDFInfo
- Publication number
- CN106634980A CN106634980A CN201611035587.5A CN201611035587A CN106634980A CN 106634980 A CN106634980 A CN 106634980A CN 201611035587 A CN201611035587 A CN 201611035587A CN 106634980 A CN106634980 A CN 106634980A
- Authority
- CN
- China
- Prior art keywords
- fingerprint
- illuminant nanometer
- nanometer powder
- preparation
- carbon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/65—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing carbon
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
- A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
- A61B5/1172—Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nanotechnology (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Manufacturing & Machinery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Optics & Photonics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention provides a method for preparing and applying latent fingerprint development luminescent nanopowder, and relates to a method for preparing and applying luminescent nanopowder. The method comprises the following steps: mixing a carbon-derived precursor and amino-containing silane, and adding tetraethoxysilane; and synthesizing strong-fluorescence carbon/silicon dioxide solid-state luminescent powder by adopting a one-step hydrothermal method to realize solid-state luminescence of a carbon-based nano-material. The fluorescent carbon/silicon dioxide luminescent nanopowder serves as a latent fingerprint development reagent to realize an excellent imaging effect for latent fingerprints on surfaces of a monochromatic background object and a polychromatic background object. The method has the beneficial effect of preparing the solid-state luminescence fluorescent carbon/silicon dioxide nanopowder by the one-step hydrothermal method. The powder is simple to prepare, and has low cost, no toxicity or harm and good latent fingerprint imaging effect, thus having a good application prospect in latent fingerprint development.
Description
Technical field
The present invention relates to a kind of preparation of Illuminant nanometer powder and application process, more particularly to a kind of developing latent finger printss light
The preparation of nano powder and application process.
Background technology
The characteristics of fingerprint has that each one is different, is basically unchanged throughout one's life, touches thing trace, fingerprint identification carries out personal identification
One of most reliable method.Personal identification is carried out to offender by fingerprint examination, have become fight crime it is the most favourable
Means, therefore fingerprint is also described as " first of evidence ".Latent fingerprint is most often occurred that in spot, latent fingerprint is can not
See, latent fingerprint manifest be cracking of cases key link.Manifesting in addition to the silver nitrate method of most original for latent fingerprint, also sends out
Ninhydrin method, iodine fumigation, 502 glue smoked aobvious method and powder appearance method etc. are opened up.Because ninhydrin has carcinogenic toxicity, aobvious examination is smoked
The toxic and harmful that agent decomposition reaction is produced also causes serious harm to the healthy of professional and technical personnel.Powder appearance method
It is a kind of traditional, effective, widely used fingerprint displaying method, there is with low cost, simple to operate, time-saving and efficiency,
Can be rated as the classical way in fingerprint displaying technology.In long-term practice with application, manifest impression of the hand using traditional powder also sudden and violent
Some problem demanding prompt solutions are exposed, some conventional powders（Such as metal dust, Magnaglo, fluorescent powder）Use receive
Object background color, floral designs impact it is larger, cause the contrast of fingerprint displaying relatively low；There is engine dyeing in fluorescent powder
Excitation spectrum is narrow for material, launching light spectrum width, the shortcomings of fluorescent stability difference, limits its application.With nano material and nanometer skill
The continuous development of art, nano material plays more and more important effect in developing latent finger printss.Quantum dot（Such as CdS, CdSe
, CdTe etc.）It is a kind of important nano material, there is a series of excellent physicochemical properties and photoluminescent property, Ke Yiyou
Effect ground overcome manifest during run into such as bear the reflective interference of object background, sensitivity that powder manifests is weak, associativity
The difficulty such as difference and range of application restriction, is also gradually applied on fingerprint manifestation in recent years, and achieves good showing
Existing effect.Although the synthetic method of quantum dot is relatively easy, heavy metal ion Cd that they often contain2+, toxicity is relatively
Greatly.Therefore, present need exist for developing and set up efficient, nontoxic, lossless, inexpensive latent fingerprint appearing technique.
The c-based nanomaterial of luminescence generated by light, because its remarkable fluorescence property, biocompatibility, low cost and hypotoxicity with
And the advantage such as chemical stability and receive much attention.But, the aqueous solution is concentrated mainly on based on the research of carbon-based Illuminant nanometer material
Environment, it luminous is also luminous under aqueous environment.
The content of the invention
It is an object of the invention to provide a kind of preparation of developing latent finger printss Illuminant nanometer powder and application process, present invention head
Secondary employing one step hydro thermal method has synthesized the carbon and silica solid luminescent powder of hyperfluorescence, realizes consolidating for c-based nanomaterial
State lights.The imaging that the present invention is high using luminous intensity, the carbon-based SiO 2 powder of good biocompatibility realizes latent fingerprint
Using.
The purpose of the present invention is achieved through the following technical solutions：
A kind of preparation method of developing latent finger printss Illuminant nanometer powder, the preparation method includes procedure below：
（1）Weigh and be dissolved in deionized water containing carbon matrix precursor；The silane containing amino is added, is stirred；To containing carbon matrix precursor with
Tetraethyl orthosilicate is slowly added dropwise in silane mixture solution containing amino, is stirred；
（2）By step（1）The mixed solution of preparation is transferred in hydrothermal synthesis reaction kettle, sets reaction temperature as 140-200oC,
Isothermal reaction 2-10 hours；Reaction terminates, and when temperature is down to room temperature, centrifugation obtains light-yellow precipitate, first washes ethanol again
Wash, dry to obtain fluorescent carbon/silica Illuminant nanometer powder.
A kind of preparation method of described developing latent finger printss Illuminant nanometer powder, it is described to adopt citric acid, lemon containing carbon matrix precursor
One kind in lemon acid sodium, vitamin C, tartaric acid, sodium potassium tartrate tetrahydrate, malic acid.
A kind of preparation method of described developing latent finger printss Illuminant nanometer powder, the silane containing amino adopts 3 aminopropans
One kind in ethyl triethoxy silicane alkane or 3 TSL 8330s.
A kind of preparation method of developing latent finger printss Illuminant nanometer powder, the matter containing carbon matrix precursor in deionized water
Amount concentration is 4 60 gL-1。
A kind of preparation method of developing latent finger printss Illuminant nanometer powder, the quality containing carbon matrix precursor Yu amino silane
Than for 1: 0.5 − 3.
A kind of preparation method of developing latent finger printss Illuminant nanometer powder, tetraethyl orthosilicate matter in deionized water
Amount concentration is 10 100 gL-1。
A kind of application process of developing latent finger printss Illuminant nanometer powder, the applying step is as follows：
（1）Using the latent fingerprint left on the existing carrying object of the aobvious Faxian of brush；That is, fluorescent carbon/titanium dioxide is dipped with fingerprint brush
Latent fingerprint on silicon Illuminant nanometer significant powder brush carrying object.
（2）365 nm black lights are radiated at the region for manifesting impression of the hand, fingerprint surface produces bright blue visible light,
Then fingerprint image is shot with digital camera.
A kind of application process of described developing latent finger printss Illuminant nanometer powder, the fingerprint is sweat fingerprint or grease fingerprint
Or oily sweat fingerprint.
A kind of application process of described developing latent finger printss Illuminant nanometer powder, the carrying object of the fingerprint is that surface is smooth
Uniform background color object, including glass, plastics, steel disc, zinc metal sheet, copper sheet, aluminium flake, ceramics, marble, floor, paint
The smooth surfaces such as wood.
A kind of application process of described developing latent finger printss Illuminant nanometer powder, the carrying object is the smooth many face in surface
The object of color background, including the object of many color backgrounds such as pop can, peach, mango.
Advantages of the present invention is with effect：
1st, the preparation method of fluorescent carbon/silica Illuminant nanometer powder of the invention is simply controllable, and a step hydro-thermal can be obtained
Fluorescent carbon/the silica nano-powders of solid luminescent.
2nd, fluorescent carbon/silica Illuminant nanometer powder of the invention not only have nano grade silica particles it is good point
Scattered property and mobility, it may have the excellent photoluminescent property of nano-carbon material.
3rd, the present invention has excellent using the fluorescent carbon/silica Illuminant nanometer powder for preparing in developing latent finger printss
Imaging effect.
4th, the present invention in fingerprint displaying it is simple to operate, manifest rapid, with low cost, nontoxic.
5th, fluorescent carbon/silica Illuminant nanometer powder of the invention has splendid biocompatibility and stability, therefore
There is good application prospect in developing latent finger printss.
Description of the drawings
Fig. 1 is fluorescent carbon/fluorescence of the silica nanometer luminescenjt powder in the case where different wavelengths of light is excited prepared by embodiment 1
Spectrogram；
Fig. 2 be the latent fingerprint of fluorescent carbon/silica Illuminant nanometer significant powder brush glass surface prepared by embodiment 1 fluorescence into
Picture.
Specific embodiment
With reference to embodiment, the present invention is described in detail.
In order to be illustrated more clearly that the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.It will be appreciated by those skilled in the art that below specifically described content is illustrative and be not restrictive, should not be with this
Limit the scope of the invention.
Embodiment 1
Weigh 1.0 grams of sodium citrate to be dissolved in 50 ml deionized waters；1.0 gram of 3 aminopropyltriethoxywerene werene is added, is stirred
Mix uniform；1.0 grams of tetraethyl orthosilicates are slowly added dropwise in sodium citrate and 3 aminopropyltriethoxywerene werene mixed solutions,
Stir；Above-mentioned solution is transferred in hydrothermal synthesis reaction kettle, reaction temperature is set as 180oC, isothermal reaction 5 hours；
Reaction terminates, and when temperature is down to room temperature, centrifugation obtains light-yellow precipitate, washes with water, dries to obtain fluorescent carbon/silica
Illuminant nanometer powder, the fluorescence emission spectrum of the solid state powder is as shown in Figure 1.As seen from Figure 1, the solid state powder present with
The similar luminescent properties of solution fluorescent carbon point, are presented the fluorescent characteristic of " unitary excites polynary transmitting ".
Fluorescent carbon/silica Illuminant nanometer the powder for dipping a small amount of above-mentioned condition preparation with fingerprint brush is gently brushed in glass
On the fingerprint to be detected on piece surface, after finding fingerprint line, with clean fingerprint brush along fingerprint line flow direction by unnecessary fluorescence
Carbon/silica Illuminant nanometer powder is brushed off, until there is streakline clearly fingerprint.Then with 365 nm near ultraviolet light-illuminatings
On fingerprint after manifesting, taken pictures imaging with digital camera, fingerprint is luminous in sapphirine, after imaging as shown in Figure 2.By Fig. 2
Understand, fluorescent carbon/silica Illuminant nanometer powder prepared by the present invention has clearly shown the spy of latent fingerprint on object
Levy streakline details.
Embodiment 2
Weigh 0.2 gram of sodium citrate to be dissolved in 50 ml deionized waters；0.4 gram of 3 aminopropyltriethoxywerene werene is added, is stirred
Mix uniform；2.0 grams of tetraethyl orthosilicates are slowly added dropwise in sodium citrate and 3 aminopropyltriethoxywerene werene mixed solutions, are stirred
Mix uniform；Above-mentioned solution is transferred in hydrothermal synthesis reaction kettle, reaction temperature is set as 140oC, isothermal reaction 10 hours；
Reaction terminates, and when temperature is down to room temperature, centrifugation obtains light-yellow precipitate, washes with water, dries to obtain fluorescent carbon/silica
Illuminant nanometer powder.
Fluorescent carbon/silica Illuminant nanometer the powder for dipping a small amount of above-mentioned condition preparation with fingerprint brush is gently brushed in aluminium flake
On the fingerprint to be detected on surface, find fingerprint line after, with clean fingerprint brush along fingerprint line flow direction by unnecessary fluorescent carbon/
Silica Illuminant nanometer powder is brushed off, until there is streakline clearly fingerprint.Then existed with 365 nm near ultraviolet light-illuminatings
On fingerprint after manifesting, taken pictures imaging with digital camera, fingerprint is luminous in sapphirine.
Embodiment 3
Weigh 3.0 grams of sodium citrate to be dissolved in 50 ml deionized waters；3.0 gram of 3 aminopropyltriethoxywerene werene is added, is stirred
Mix uniform；2.0 grams of tetraethyl orthosilicates are slowly added dropwise in sodium citrate and 3 aminopropyltriethoxywerene werene mixed solutions,
Stir；Above-mentioned solution is transferred in hydrothermal synthesis reaction kettle, reaction temperature is set as 200oC, isothermal reaction 2 hours；
Reaction terminates, and when temperature is down to room temperature, centrifugation obtains light-yellow precipitate, washes with water, dries to obtain fluorescent carbon/silica
Illuminant nanometer powder.
Fluorescent carbon/silica Illuminant nanometer the powder for dipping a small amount of above-mentioned condition preparation with fingerprint brush is gently brushed in ceramics
On the fingerprint to be detected on piece surface, after finding fingerprint line, with clean fingerprint brush along fingerprint line flow direction by unnecessary fluorescence
Carbon/silica Illuminant nanometer powder is brushed off, until there is streakline clearly fingerprint.Then with 365 nm near ultraviolet light-illuminatings
On fingerprint after manifesting, taken pictures imaging with digital camera, fingerprint is luminous in sapphirine.
Embodiment 4
Weigh 1.0 grams of sodium citrate to be dissolved in 50 ml deionized waters；0.5 gram of 3 aminopropyltriethoxywerene werene is added, is stirred
Mix uniform；5.0 grams of tetraethyl orthosilicates are slowly added dropwise in sodium citrate and 3 aminopropyltriethoxywerene werene mixed solutions,
Stir；Above-mentioned solution is transferred in hydrothermal synthesis reaction kettle, reaction temperature is set as 150oC, isothermal reaction 8 hours；
Reaction terminates, and when temperature is down to room temperature, centrifugation obtains light-yellow precipitate, washes with water, dries to obtain fluorescent carbon/silica
Illuminant nanometer powder.
Fluorescent carbon/silica Illuminant nanometer the powder for dipping a small amount of above-mentioned condition preparation with fingerprint brush is gently brushed easy-to-draw
On the fingerprint to be detected on tank surface, after finding fingerprint line, with clean fingerprint brush along fingerprint line flow direction by unnecessary fluorescence
Carbon/silica Illuminant nanometer powder is brushed off, until there is streakline clearly fingerprint.Then with 365 nm near ultraviolet light-illuminatings
On fingerprint after manifesting, taken pictures imaging with digital camera, fingerprint is luminous in sapphirine.
Embodiment 5
Weigh 1.0 grams of sodium citrate to be dissolved in 50 ml deionized waters；3.0 gram of 3 aminopropyltriethoxywerene werene is added, is stirred
Mix uniform；0.5 gram of tetraethyl orthosilicate is slowly added dropwise in sodium citrate and 3 aminopropyltriethoxywerene werene mixed solutions, is stirred
Mix uniform；Above-mentioned solution is transferred in hydrothermal synthesis reaction kettle, reaction temperature is set as 180oC, isothermal reaction 4 hours；Instead
Should terminate, when temperature is down to room temperature, centrifugation obtains light-yellow precipitate, wash with water, dry to obtain fluorescent carbon/silica
Light nanometer powder.
Fluorescent carbon/silica Illuminant nanometer the powder for dipping a small amount of above-mentioned condition preparation with fingerprint brush is gently brushed in mango
On the fingerprint to be detected on surface, find fingerprint line after, with clean fingerprint brush along fingerprint line flow direction by unnecessary fluorescent carbon/
Silica Illuminant nanometer powder is brushed off, until there is streakline clearly fingerprint.Then existed with 365 nm near ultraviolet light-illuminatings
On fingerprint after manifesting, taken pictures imaging with digital camera, fingerprint is luminous in sapphirine.
Claims (10)
1. a kind of preparation method of developing latent finger printss Illuminant nanometer powder, it is characterised in that the preparation method includes procedure below：
（1）Weigh and be dissolved in deionized water containing carbon matrix precursor；The silane containing amino is added, is stirred；To containing carbon matrix precursor with
Tetraethyl orthosilicate is slowly added dropwise in silane mixture solution containing amino, is stirred；
（2）By step（1）The mixed solution of preparation is transferred in hydrothermal synthesis reaction kettle, sets reaction temperature as 140-200oC,
Isothermal reaction 2-10 hours；Reaction terminates, and when temperature is down to room temperature, centrifugation obtains light-yellow precipitate, first washes ethanol again
Wash, dry to obtain fluorescent carbon/silica Illuminant nanometer powder.
2. the preparation method of a kind of developing latent finger printss Illuminant nanometer powder according to claim 1, it is characterised in that described to contain
Carbon matrix precursor is using the one kind in citric acid, sodium citrate, vitamin C, tartaric acid, sodium potassium tartrate tetrahydrate, malic acid.
3. the preparation method of a kind of developing latent finger printss Illuminant nanometer powder according to claim 1, it is characterised in that described to contain
The silane of amino is using the one kind in 3 aminopropyltriethoxywerene werenes or 3 TSL 8330s.
4. a kind of preparation method of developing latent finger printss Illuminant nanometer powder according to claim 1, it is characterised in that the carbon containing
Presoma mass concentration in deionized water is 4 60 gL-1。
5. a kind of preparation method of developing latent finger printss Illuminant nanometer powder according to claim 1, it is characterised in that the carbon containing
Presoma is 1 with the mass ratio of amino silane: 0.5 − 3.
6. a kind of preparation method of developing latent finger printss Illuminant nanometer powder according to claim 1, it is characterised in that the positive silicon
Acetoacetic ester mass concentration in deionized water is 10 100 gL-1。
7. a kind of application process of developing latent finger printss Illuminant nanometer powder, it is characterised in that the applying step is as follows：
（1）Using the latent fingerprint left on the existing carrying object of the aobvious Faxian of brush；That is, fluorescent carbon/titanium dioxide is dipped with fingerprint brush
Latent fingerprint on silicon Illuminant nanometer significant powder brush carrying object；
（2）365 nm black lights are radiated at the region for manifesting impression of the hand, fingerprint surface produces bright blue visible light, then
Fingerprint image is shot with digital camera.
8. a kind of application process of developing latent finger printss Illuminant nanometer powder according to claim 7, it is characterised in that the finger
Line is sweat fingerprint or grease fingerprint or oily sweat fingerprint.
9. a kind of application process of developing latent finger printss Illuminant nanometer powder according to claim 7, it is characterised in that the finger
The carrying object of line is the object of the smooth uniform background color in surface, including glass, plastics, steel disc, zinc metal sheet, copper sheet, aluminium flake,
The smooth surfaces such as ceramics, marble, floor, paint wood.
10. the application process of a kind of developing latent finger printss Illuminant nanometer powder according to claim 7, it is characterised in that described
Carrying object is the object of the smooth many color backgrounds in surface, including the object of many color backgrounds such as pop can, peach, mango.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035587.5A CN106634980B (en) | 2016-11-23 | 2016-11-23 | Preparation and application method of latent fingerprint appearing luminous nano powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035587.5A CN106634980B (en) | 2016-11-23 | 2016-11-23 | Preparation and application method of latent fingerprint appearing luminous nano powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106634980A true CN106634980A (en) | 2017-05-10 |
| CN106634980B CN106634980B (en) | 2019-12-24 |
Family
ID=58811060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611035587.5A Active CN106634980B (en) | 2016-11-23 | 2016-11-23 | Preparation and application method of latent fingerprint appearing luminous nano powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106634980B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370567A (en) * | 2018-12-07 | 2019-02-22 | 西南政法大学 | A kind of preparation method of silicon ball carbon dots powder and its application in latent fingerprint identification |
| CN111748336A (en) * | 2020-07-08 | 2020-10-09 | 江苏警官学院 | Fluorescent fingerprint developing powder and preparation method and application thereof |
| CN112961669A (en) * | 2021-02-01 | 2021-06-15 | 苏州星烁纳米科技有限公司 | Preparation method of solid-phase carbon quantum dot, solid-phase carbon quantum dot prepared by same and light-emitting device |
| CN115595145A (en) * | 2022-11-07 | 2023-01-13 | 中国刑事警察学院（Cn） | Preparation method and application of nitrogen-zinc doped carbon dot-hydrotalcite nanocomposite |
| CN115651355A (en) * | 2022-08-19 | 2023-01-31 | 安徽理工大学 | Cl-PFR @ MSN-NH 2 Nano composite material and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101647700A (en) * | 2009-08-28 | 2010-02-17 | 东北师范大学 | Method for using fluorescent silicon dioxide to display laten fingerprint |
| CN103421495A (en) * | 2012-05-23 | 2013-12-04 | 中国科学院理化技术研究所 | Organic functional luminescent carbon quantum dots, preparation method therefor and applications thereof |
| CN104830325A (en) * | 2015-04-23 | 2015-08-12 | 华南农业大学 | Preparation method for fluorescent carbon quantum dot/SiO2/inorganic fluorescent powder ternary composite temperature sensing material |
| CN105617405A (en) * | 2014-11-04 | 2016-06-01 | 东北师范大学 | Simple and green preparation method for monodisperse core-shell-structured C-dots@SiO2 fluorescence imaging nanoprobe |
| US20160164019A1 (en) * | 2014-11-14 | 2016-06-09 | Louisiana State University Board of Supervisiors | Carbon Dot Light Emitting Diodes |
| CN105796113A (en) * | 2016-03-08 | 2016-07-27 | 沈阳大学 | Fingerprint detection method based on carbon nanoparticles as fluorescence indicator |
-
2016
- 2016-11-23 CN CN201611035587.5A patent/CN106634980B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101647700A (en) * | 2009-08-28 | 2010-02-17 | 东北师范大学 | Method for using fluorescent silicon dioxide to display laten fingerprint |
| CN103421495A (en) * | 2012-05-23 | 2013-12-04 | 中国科学院理化技术研究所 | Organic functional luminescent carbon quantum dots, preparation method therefor and applications thereof |
| CN105617405A (en) * | 2014-11-04 | 2016-06-01 | 东北师范大学 | Simple and green preparation method for monodisperse core-shell-structured C-dots@SiO2 fluorescence imaging nanoprobe |
| US20160164019A1 (en) * | 2014-11-14 | 2016-06-09 | Louisiana State University Board of Supervisiors | Carbon Dot Light Emitting Diodes |
| CN104830325A (en) * | 2015-04-23 | 2015-08-12 | 华南农业大学 | Preparation method for fluorescent carbon quantum dot/SiO2/inorganic fluorescent powder ternary composite temperature sensing material |
| CN105796113A (en) * | 2016-03-08 | 2016-07-27 | 沈阳大学 | Fingerprint detection method based on carbon nanoparticles as fluorescence indicator |
Non-Patent Citations (2)
| Title |
|---|
| CHANGHUI FU等: "Facile synthesis of a highly luminescent carbon dot@silica nanorattle for in vivo bioimaging", 《RSC ADVANCES》 * |
| YONGHAO CHEN等: "A dual-emitting core–shell carbon dot–silica–phosphor composite for white light emission", 《NANOSCALE》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370567A (en) * | 2018-12-07 | 2019-02-22 | 西南政法大学 | A kind of preparation method of silicon ball carbon dots powder and its application in latent fingerprint identification |
| CN111748336A (en) * | 2020-07-08 | 2020-10-09 | 江苏警官学院 | Fluorescent fingerprint developing powder and preparation method and application thereof |
| CN111748336B (en) * | 2020-07-08 | 2023-05-02 | 江苏警官学院 | Fluorescent fingerprint developing powder and preparation method and application thereof |
| CN112961669A (en) * | 2021-02-01 | 2021-06-15 | 苏州星烁纳米科技有限公司 | Preparation method of solid-phase carbon quantum dot, solid-phase carbon quantum dot prepared by same and light-emitting device |
| CN115651355A (en) * | 2022-08-19 | 2023-01-31 | 安徽理工大学 | Cl-PFR @ MSN-NH 2 Nano composite material and preparation method and application thereof |
| CN115595145A (en) * | 2022-11-07 | 2023-01-13 | 中国刑事警察学院（Cn） | Preparation method and application of nitrogen-zinc doped carbon dot-hydrotalcite nanocomposite |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106634980B (en) | 2019-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106634980A (en) | Method for preparing and applying latent fingerprint development luminescent nanopowder | |
| JP5717720B2 (en) | Fluorescent silica nanoparticles improved by densification of silica | |
| CN107446572B (en) | Method for synthesizing silicon dioxide coated organic-inorganic perovskite structure quantum dot and application of synthesized quantum dot | |
| JP4840823B2 (en) | Semiconductor nanoparticle-dispersed glass particles and method for producing the same | |
| JP5443662B2 (en) | Method for producing moisture-resistant phosphor particle powder and LED element or dispersion-type EL element using moisture-resistant phosphor particle powder obtained by the production method | |
| Li et al. | Classification, synthesis, and application of luminescent silica nanoparticles: a review | |
| Zhao et al. | New luminescent nanoparticles based on carbon dots/SiO2 for the detection of latent fingermarks | |
| Peng et al. | A novel monodisperse SiO 2@ C-dot for the rapid and facile identification of latent fingermarks using self-quenching resistant solid-state fluorescence | |
| CN110669515B (en) | Two-photon near-infrared carbon dot with high brightness and ultra-narrow half-peak width and preparation method thereof | |
| Komahal et al. | Design of Bi-functional composite core–shell SiO2@ ZnAl2O4: Eu3+ array as a fluorescent sensors for selective and sensitive latent fingerprints visualization protocol | |
| CN107686727A (en) | Yellow carbon quantum dot fluorescent material and preparation method and application | |
| Yuan et al. | Sensitive development of latent fingerprints using Rhodamine B-diatomaceous earth composites and principle of efficient image enhancement behind their fluorescence characteristics | |
| CN110330512B (en) | Silver nanocluster fluorescent nanorod, preparation method thereof and application thereof in white light LED | |
| CN105328203B (en) | 1 H, 1,2,4 triazoles, 3 mercaptan bovine serum albumin(BSA) fluorescent au nanocluster material and preparation method thereof | |
| CN107880873A (en) | Zinc oxide barium sulfate composite nano materials preparation method, zinc oxide barium sulfate composite nano materials, application and LED chip | |
| CN109504366A (en) | A kind of rare-earth complex cladding nano-hollow SiO2With cladded type rare-earth complex and preparation method thereof | |
| CN108395891A (en) | A kind of N doping silica long-afterglow material and preparation method thereof | |
| CN113930232A (en) | Solid carbon-point zeolite composite material fingerprint developing powder and preparation method thereof | |
| Fan et al. | Highly luminescent pH-responsive carbon quantum dots for cell imaging | |
| CN105820809B (en) | 6 azepine, 2 thio-thymine gold nano cluster and preparation method thereof | |
| CN115074120B (en) | Carbon dot/diatomite fluorescent composite powder and preparation method and application thereof | |
| Shahbazi et al. | Luminescent nanostructures for the detection of latent fingermarks: A review | |
| Jiang et al. | Greatly enhanced Raman scattering and upconversion luminescence of Au–NaYF4 nanocomposites | |
| CN109294577B (en) | NaYF4Eu @ CDs composite material and preparation method and application thereof | |
| CN108129988A (en) | A kind of no decorative pattern dusting slurry and its preparation process and photoelectric color detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201027 Address after: No.8-1, Lanjia Hutong, Xixian street, Hongwei District, Liaoyang City, Liaoning Province Patentee after: Liaoning Boshi Venture Service Center Management Co., Ltd Address before: 110044 Liaoning Province, Shenyang City District wanghuanan Street No. 21 Patentee before: SHENYANG University |
|
| TR01 | Transfer of patent right |