CN114804650A - Preparation method of graphite oxide alkyne nanosheet composite optical function glass - Google Patents
Preparation method of graphite oxide alkyne nanosheet composite optical function glass Download PDFInfo
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- CN114804650A CN114804650A CN202210345814.3A CN202210345814A CN114804650A CN 114804650 A CN114804650 A CN 114804650A CN 202210345814 A CN202210345814 A CN 202210345814A CN 114804650 A CN114804650 A CN 114804650A
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- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 60
- 239000010439 graphite Substances 0.000 title claims abstract description 60
- 239000011521 glass Substances 0.000 title claims abstract description 56
- 239000002135 nanosheet Substances 0.000 title claims abstract description 55
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 150000001345 alkine derivatives Chemical class 0.000 title claims abstract description 51
- 230000003287 optical effect Effects 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 15
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 13
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- -1 graphite alkyne Chemical class 0.000 claims description 9
- 239000002243 precursor Substances 0.000 claims description 9
- 238000009210 therapy by ultrasound Methods 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- ITMMSVVGGCCDLS-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-aminoacetate Chemical compound CO[Si](OC)(OC)CCCOC(=O)CN ITMMSVVGGCCDLS-UHFFFAOYSA-N 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 238000006482 condensation reaction Methods 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 239000011159 matrix material Substances 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000000499 gel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002064 nanoplatelet Substances 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910021387 carbon allotrope Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001268 conjugating effect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002055 nanoplate Substances 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/29—Mixtures
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/111—Deposition methods from solutions or suspensions by dipping, immersion
Abstract
The invention discloses a preparation method of graphite oxide alkyne nanosheet composite optical function glass, wherein the composite optical function glass consists of graphite oxide alkyne nanosheets and a transparent glass substrate; the graphite oxide alkyne nanosheets are uniformly dispersed in a transparent glass matrix; the composite light functional glass is a yellow transparent glass sheet, and has a saturation absorption effect under picosecond laser pulses, and as the doping concentration of the graphite oxide alkyne nanosheet increases, the nonlinear absorption coefficient of the composite light functional glass becomes larger, and the nonlinear saturation absorption effect becomes stronger. Therefore, by changing the doping concentration of the graphite oxide alkyne nanosheet, the nonlinear optical characteristic of the optical functional glass can be adjusted, and the optical functional glass has a wide application prospect in the fields of Q-switched lasers and the like.
Description
Technical Field
The invention relates to a nonlinear optical glass. More specifically, relates to a preparation method of graphite oxide alkyne nanosheet composite optical function glass.
Background
In the past decades, various materials have been widely used in the field of nonlinear optics. 2D materials have attracted considerable interest due to their attractive electronic and optical properties, as well as promising applications in photovoltaics and optoelectronics. For example, graphene is known for its many unique properties, and it also exhibits broadband optical limiting characteristics, and is considered to be the most promising material for optoelectronic devices. However, the zero band gap property of graphene limits its application in certain fields. The oxidized graphite alkyne is an excellent two-dimensional material, is a novel oxide of carbon allotrope graphite alkyne, and introduces oxygen-containing functional groups while maintaining the structural characteristics of graphite alkyne. There is essentially a tunable direct bandgap, which is different from the zero bandgap of graphene. It may also remain stable below 1000K. And its service life at room temperature is very long. The excellent stability of the material has important significance for the sustainable development of photonic devices. It also has a high nonlinear refractive index and a good broadband kerr nonlinearity. Thus, graphite alkyne oxide is a very promising 2D material in the field of nonlinear optics.
However, the graphite oxide alkyne nanosheets are easy to agglomerate and precipitate in a liquid-phase matrix, so that the non-linear optical application of the graphite oxide alkyne nanosheets is not facilitated, and the development process of devices of the graphite oxide alkyne nanosheets is limited. The glass is a transparent amorphous inorganic non-metallic material, has the characteristics of uniform components, high purity, high optical transparency, good chemical and thermal stability and the like, and is a good substrate for constructing a solid-phase optical material. Therefore, the graphite oxide alkyne nanosheets are introduced into the sol-gel glass matrix, and the nanosheets are solidified and positioned by utilizing the network structure of the gel glass system, so that the composite optical function glass with the uniformly dispersed graphite oxide alkyne nanosheets is prepared. Lays a foundation for the practical application of the two-dimensional material.
Disclosure of Invention
The invention aims to provide a preparation method of graphite oxide alkyne nanosheet composite light-function glass, which adopts ethyl silicate (TEOS), 3-Aminopropyltriethoxysilane (APTES) and 3-Glycinyloxypropyltrimethoxysilane (GPTMS) as matrixes to hydrolyze and condense to form a silicon dioxide network.
In order to achieve the purpose, the invention adopts the technical scheme that:
a preparation method of graphite oxide alkyne nanosheet composite optical function glass comprises the following steps:
(1) introduction of graphite oxide alkyne nanosheets: ultrasonically and uniformly mixing the graphite oxide alkyne nanosheets and N, N' -dimethylformamide to obtain a dispersion liquid of the graphite oxide alkyne nanosheets in DMF;
(2) preparing precursor liquid: respectively measuring ethyl silicate and ethanol, placing the ethyl silicate and the ethanol in a clean beaker for ultrasonic oscillation, then adding the dispersion obtained in the step (1) after ultrasonic treatment, and then sequentially adding 3-glycinyloxypropyltrimethoxysilane, deionized water and 3-aminopropyltriethoxysilane for uniform mixing to obtain a precursor solution;
(3) preparing graphite oxide alkyne nanosheet composite light function glass: and (3) continuously carrying out ultrasonic treatment on the precursor liquid obtained in the step (2) to uniformly disperse the reactants, carrying out hydrolysis and condensation reaction, and aging and drying the product to obtain the oxidized graphite alkyne nanosheet composite light-function glass.
Further, in the step (2), the molar ratio of TEOS to GPTMS to APTES is (5-7) to (1-4) to (1-2)
Further, precursor liquid silane (TEOS, GPTMS and APTES): C 2 H 6 O:H 2 The molar ratio of O is (1-2) 4: 4.
Further, in the step (1), the graphite alkyne nanosheet and the N, N' -dimethylformamide are ultrasonically and uniformly mixed in an ultrasonic treatment mode.
Further, the time of the ultrasonic treatment in the step (3) is as follows: 10-20 min.
Further, the aging treatment in the step (3) is to age the product in a closed environment for 30-40 min.
Further, the drying treatment in the step (3) is as follows: and standing and naturally drying for 1.5-2.5 weeks under the constant temperature condition of 25 ℃.
Furthermore, the doping amount of the graphite oxide alkyne nanosheet in the graphite oxide alkyne nanosheet composite light-functional glass is 0.4-1 mg.
The main reaction equation in the above process is as follows:
a. TEOS hydrolysis reaction
b. TEOS condensation reaction
The graphite oxide alkyne nanosheet composite optical function glass prepared by the preparation method is composed of graphite oxide alkyne nanosheets and transparent silica gel glass substrates; the graphite oxide alkyne nanosheets are uniformly dispersed in a transparent glass matrix; the microstructure of the graphite oxide alkyne nano material comprises sp and sp 2 Two kinds of hybridized carbon atoms, carboxyl end capping, and a two-dimensional plane laminated structure formed by conjugating and connecting benzene rings through carbon-carbon triple bonds. The optical functional glass is a yellow transparent gel glass sheet, has cheap raw materials, simple operation and low production cost, has higher transparency and nonlinear saturated absorption characteristics, and can change the saturated absorption intensity of the glass by adjusting the doping concentration of the graphite oxide alkyne nanosheet. Therefore, the method has important application in the fields of nonlinear optics and saturated absorption; the graphite oxide alkyne nanosheet is fixed in position through a silicon dioxide network, so that agglomeration and phase separation can be avoided.
Drawings
FIG. 1 is a photograph of a graphite oxide alkyne nanosheet composite optical function glass;
FIG. 2 is an SEM image of a cross section of the composite light functional glass;
FIG. 3 is an EDS energy spectrum of a cross section of the composite multifunctional glass;
FIG. 4 is a Z-scan of the composite optical function glass of graphite oxide alkyne nanosheet under different doping concentrations.
Detailed Description
In order to facilitate the understanding of the present invention, the following examples are provided to further illustrate the present invention and should not be construed as limiting the scope of the present invention.
Example 1
First, according to the precursor liquid silane (TEOS, GPTMS and APTES): C 2 H 6 O:H 2 The molar ratio of O is 1:4:4 and the molar ratio of TEOS to GPTMS to APTES is 7:2: 1. Then, ethyl silicate and ethanol are respectively measured according to the calculated amount and placed in a clean beaker for ultrasonic oscillation, then the ultrasonically treated graphite oxide alkyne nanosheet DMF dispersion liquid is added to be uniformly mixed, and then GPTMS and H are mixed 2 O and APTES were added sequentially to the mixture by continued sonication to obtain good dispersion, faster hydrolysis and condensation. The mixture was then aliquoted into plastic petri dishes in equal volume, sealed, and left to age and dry. The transmittance of the gel glass is controlled by adjusting the number of graphite oxide alkyne nano-sheets dispersed in DMF. A light brown sample with a smooth surface was used for non-linear optical property testing without further treatment. For comparison, SiO was also prepared 2 The glass was gelled to show its NLO advantage. This procedure is similar to the one described above, except that no GDYO nanoplatelets are present in DMF.
And (3) performance characterization:
fig. 1 shows the graphite oxide alkyne nanosheet composite optical functional glass (doping amounts are 0, 0.4, 0.6, 0.8 and 1mg respectively) under different doping concentrations. All glasses were clear with no cracks or visible precipitates, showing significant homogeneity. As can be seen from the figure, the characters on the other side of the glass can be clearly seen through the glass, which shows that the gel glass still maintains excellent optical transparency after the graphite oxide alkyne nanosheet is doped. As the doping concentration increases, the color of the glass becomes darker.
Fig. 2 SEM image of the new broken part of the optical functional glass shows that the silica network is dense, and the graphite oxide alkyne nanoplate is completely wrapped by the surrounding matrix and cannot be imaged by SEM.
Fig. 3 is a graph showing the incorporation of oxidized graphite alkyne nanoplatelets and an EDS spectroscopy test performed to confirm the presence of element C.
As shown in fig. 4, in order to study the influence of doping concentration on the nonlinear optical performance of the graphite oxide alkyne nanosheet composite optical functional glass, a series of composite gel glasses were synthesized and subjected to Z-scan. The results show that the normalized transmittance of the sample increases with increasing power density near the laser focus, showing a symmetrical peak in the OA curve, indicating a strong nonlinear SA for the GDYO optical functional glass. With the incorporation of the GDYO nanosheets, the nonlinear saturated absorption intensity thereof increases. The nonlinear optical performance of the graphite oxide alkyne nanosheet composite optical functional glass can be adjusted by changing the doping concentration of GDYO, so that more possibilities are provided for the application of the graphite oxide alkyne nanosheet composite optical functional glass on an optical device.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (8)
1. A preparation method of graphite oxide alkyne nanosheet composite optical function glass is characterized by comprising the following steps: the preparation method comprises the following steps:
(1) introduction of graphite oxide alkyne nanosheets: ultrasonically and uniformly mixing the graphite oxide alkyne nanosheets and N, N' -dimethylformamide to obtain a dispersion liquid of the graphite oxide alkyne nanosheets in DMF;
(2) preparing precursor liquid: respectively measuring ethyl silicate and ethanol, placing the ethyl silicate and the ethanol in a clean beaker for ultrasonic oscillation, then adding the dispersion obtained in the step (1) after ultrasonic treatment, and then sequentially adding 3-glycinyloxypropyltrimethoxysilane, deionized water and 3-aminopropyltriethoxysilane for uniform mixing to obtain a precursor solution;
(3) preparing graphite oxide alkyne nanosheet composite light function glass: and (3) continuously carrying out ultrasonic treatment on the precursor liquid obtained in the step (2) to uniformly disperse the reactants, carrying out hydrolysis and condensation reaction, and aging and drying the product to obtain the oxidized graphite alkyne nanosheet composite light-function glass.
2. The preparation method of the graphite oxide alkyne nanosheet composite optical functional glass according to claim 1, characterized by comprising the following steps: in the step (2), the molar ratio of TEOS to GPTMS to APTES is (5-7) to (1-4) to (1-2).
3. The preparation method of the graphite oxide alkyne nanosheet composite optical functional glass according to claim 1, characterized by comprising the following steps: precursor liquid silane (TEOS, GPTMS and APTES): C 2 H 6 O:H 2 The molar ratio of O is (1-2) 4: 4.
4. The preparation method of the graphite oxide alkyne nanosheet composite optical functional glass according to claim 1, characterized by comprising the following steps: and (2) ultrasonically and uniformly mixing the graphite alkyne nanosheets and the N, N' -dimethylformamide in an ultrasonic treatment mode in the step (1).
5. The preparation method of the graphite oxide alkyne nanosheet composite optical functional glass according to claim 1, characterized by comprising the following steps: the ultrasonic treatment time in the step (3) is as follows: 10-20 min.
6. The preparation method of the graphite oxide alkyne nanosheet composite optical functional glass according to claim 1, characterized by comprising the following steps: and (3) aging the product in a closed environment for 30-40 min.
7. The preparation method of the graphite oxide alkyne nanosheet composite optical functional glass according to claim 1, characterized by comprising the following steps: the drying treatment in the step (3) comprises the following steps: and standing and naturally drying for 1.5-2.5 weeks under the constant temperature condition of 25 ℃.
8. The preparation method of the graphite oxide alkyne nanosheet composite optical functional glass according to claim 1, characterized by comprising the following steps: the doping amount of the graphite oxide alkyne nanosheet in the graphite oxide alkyne nanosheet composite light-functional glass is 0.4-1 mg.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015175029A1 (en) * | 2014-01-30 | 2015-11-19 | University Of Houston System | Graphitic nanocomposites in solid state matrices and methods for making same |
| CN110790489A (en) * | 2019-11-28 | 2020-02-14 | 福建工程学院 | Preparation method of low-dimensional material doped non-hydrolytic gel glass |
| WO2021032752A1 (en) * | 2019-08-19 | 2021-02-25 | Santiago José CARTAMIL BUENO | Optical element having a movable reflective cover comprising a 2-dimensional material |
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- 2022-03-31 CN CN202210345814.3A patent/CN114804650A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015175029A1 (en) * | 2014-01-30 | 2015-11-19 | University Of Houston System | Graphitic nanocomposites in solid state matrices and methods for making same |
| WO2021032752A1 (en) * | 2019-08-19 | 2021-02-25 | Santiago José CARTAMIL BUENO | Optical element having a movable reflective cover comprising a 2-dimensional material |
| CN110790489A (en) * | 2019-11-28 | 2020-02-14 | 福建工程学院 | Preparation method of low-dimensional material doped non-hydrolytic gel glass |
Non-Patent Citations (2)
| Title |
|---|
| 郑婵;叶晓云;: "纳米碳管/二氧化硅复合凝胶玻璃的XPS研究" * |
| 郑婵;詹红兵;陈文哲;: "纳米碳管复合凝胶玻璃结构及谱学性能研究" * |
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Application publication date: 20220729 |