CN106206032A - Graphene quantum dot prepared by a kind of natural macromolecular and the application in preparing quantum dot sensitization solar battery thereof - Google Patents
Graphene quantum dot prepared by a kind of natural macromolecular and the application in preparing quantum dot sensitization solar battery thereof Download PDFInfo
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- CN106206032A CN106206032A CN201610471014.0A CN201610471014A CN106206032A CN 106206032 A CN106206032 A CN 106206032A CN 201610471014 A CN201610471014 A CN 201610471014A CN 106206032 A CN106206032 A CN 106206032A
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- 239000002096 quantum dot Substances 0.000 title claims abstract description 86
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 62
- 206010070834 Sensitisation Diseases 0.000 title claims abstract description 13
- 230000008313 sensitization Effects 0.000 title claims abstract description 13
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 10
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 10
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 235000011149 sulphuric acid Nutrition 0.000 claims abstract description 7
- 239000001117 sulphuric acid Substances 0.000 claims abstract description 7
- 229920002472 Starch Polymers 0.000 claims abstract description 6
- 229930006000 Sucrose Natural products 0.000 claims abstract description 6
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims abstract description 6
- 239000008107 starch Substances 0.000 claims abstract description 6
- 235000019698 starch Nutrition 0.000 claims abstract description 6
- 239000005720 sucrose Substances 0.000 claims abstract description 6
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 claims abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 claims abstract description 5
- GUBGYTABKSRVRQ-QUYVBRFLSA-N beta-maltose Chemical compound OC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O GUBGYTABKSRVRQ-QUYVBRFLSA-N 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000011244 liquid electrolyte Substances 0.000 claims description 6
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 claims description 6
- 239000002243 precursor Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 239000010408 film Substances 0.000 claims description 4
- YSHMQTRICHYLGF-UHFFFAOYSA-N 4-tert-butylpyridine Chemical compound CC(C)(C)C1=CC=NC=C1 YSHMQTRICHYLGF-UHFFFAOYSA-N 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 238000000502 dialysis Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 241000790917 Dioxys <bee> Species 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000000295 emission spectrum Methods 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010067482 No adverse event Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005049 combustion synthesis Methods 0.000 description 1
- 229940000406 drug candidate Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003777 experimental drug Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Abstract
The invention provides graphene quantum dot prepared by a kind of natural macromolecular and the application in preparing quantum dot sensitization solar battery thereof, the raw materials such as starch and sulphuric acid are specifically carried out hydro-thermal reaction by the present invention can generate graphene quantum dot.The present invention makes full use of natural macromolecular, such as starch, ethyl cellulose, maltose alcohol, sucrose etc., prepares graphene quantum dot, prepared graphene quantum dot glow color controllable, stable performance by hydro-thermal method one step.The present invention takes full advantage of the minimum wavelength side effect of graphene quantum dot, is combined the quantum dot sensitized solaode of formation with solaode.The graphene quantum dot preparation method of the present invention is simple and easy to do, with low cost, and the graphene quantum dot good stability prepared, productivity are high.
Description
Technical field
The invention belongs to technology of quantum dots field, the graphene quantum dot prepared particularly to a kind of natural macromolecular and
Its application in preparing quantum dot sensitization solar battery.
Background technology
Nano material is described as " 21 century the most promising material ", and graphene quantum dot is because of its stronger minimum wavelength limit
Effect and band side effect and the most concerned.Graphene quantum dot is the newcomer in Graphene family, graphene quantum dot except
Possess outside the excellent properties such as the big specific surface area of Graphene, high carrier mobility, the best chemical inertness, preferably
The advantage such as biocompatibility；Also as its size is minimum and a series of new characteristics such as boundary effect are shown.Just by
In the peculiar property of graphene quantum dot, it is widely used to the numerous areas such as bio-sensing, photovoltaic device at present.
Summary of the invention
For the preparation method of existing graphene quantum dot, it is an object of the invention to provide a kind of natural big sub-system
Standby graphene quantum dot and the application in preparing quantum dot sensitization solar battery thereof, the present invention adopts demultiplexing simply and easily
The graphene quantum dot good stability that hydro-thermal method prepares, the present invention makes full use of ethyl cellulose, starch, sucrose, Fructus Hordei Germinatus
The natural macromoleculars such as sugar alcohol, prepare water miscible graphene quantum dot.Prepare needed raw material and derive from life, preparation method
Simple and convenient, there is higher Research Significance and value.
For achieving the above object, the present invention is achieved by the following technical solutions:
Graphene quantum dot prepared by a kind of natural macromolecular, it is obtained by following steps:
(1) natural macromolecular is dissolved in water as carbon source；
(2) in the solution that step (1) prepares, add concentrated sulphuric acid, seal stirring, as precursor solution；
(3) described precursor solution is moved in reactor, put in baking oven and react；
(4) above-mentioned product is filtered, put in dialyzer and dialyse, obtain the aqueous solution of graphene quantum dot, and and then obtain
To graphene quantum dot.
Further: the quality of the natural macromolecular in described step (1) with the mass ratio of the concentrated sulphuric acid in step (2) is
1:1.5～3.5.
Further: described natural macromolecular one or several in ethyl cellulose, starch, sucrose, maltose alcohol
Kind.
Further: in described step (3), oven temperature is 140 DEG C～180 DEG C, and the time is 4～8 hours.
Further: described step (4) dialyzer is 1000 dalton, to dialyse 20～60 hours, water 3～5 times are changed in dialysis
I.e. can get graphene quantum dot.
Present invention also offers the application in preparing quantum dot sensitization solar battery of the described graphene quantum dot.
Further: described quantum dot sensitized solaode is prepared by following steps:
(1), prepare colloidal tio 2, colloidal tio 2 is applied on FTO electro-conductive glass matrix, after calcining, prepare dioxy
Change titanium thin film；
(2), titanium deoxid film is soaked in the aqueous solution of described graphene quantum dot, obtains quantum dot sensitized solar-electricity
The light anode in pond；
(3) the light anode, by above-mentioned steps prepared with to combination of electrodes, and centre add liquid electrolyte be assembled into quantum dot
Sensitization solar battery.
Further: in described step (2), in the aqueous solution of graphene quantum dot, soak time is 40～80 hours.
Further: in described step (3), liquid electrolyte is by 0.01～0.06 mol/L iodine, 0.08～0.12 mol/L
Lithium iodide, 0.4～0.8 mol/L tetrabutylammonium iodide and the acetonitrile solution group of 0.4～0.6 mol/L 4-tert .-butylpyridine
Become.
Further: the open-circuit voltage of described quantum dot sensitized solaode is 0.3～0.6V, short-circuit current density is
0.3～0.7mA cm-2, photoelectric transformation efficiency be 0.1～0.3%.
After the present invention uses technique scheme, mainly have the advantage that and technique effect:
(1), preparation technology is simple.The present invention prepares graphene quantum dot with natural macromolecular for raw material, only needs one-step synthesis i.e.
Available, preparation method is simple.
(2), environmental protection.Needed for the present invention, environment is all had no adverse effects by experimental article, is environmentally friendly experiment.
(3), preparation cost is low.Needed for the present invention, experimental drug is natural macromolecular, and reactant takes from life, preparation cost
Low.
(4), Modulatory character is big.The graphene quantum dot glow color controllable that the present invention prepares, stable performance.Different grains
The graphene quantum dot illumination effect in footpath is different, can be obtained the Graphene of different colours by the regulation and control of particle diameter or pH regulation and control
Quantum dot.
The graphene quantum dot preparation method of the present invention is simple and easy to do, with low cost, and the Graphene amount prepared
Son point good stability, productivity are high.
Accompanying drawing explanation
Fig. 1 is the high power transmission collection of illustrative plates of present invention graphene quantum dot prepared by with maltose alcohol as carbon source.
Fig. 2 is present invention graphene quantum dot ultraviolet absorpting spectrum prepared by with ethyl cellulose as carbon source, percentage ratio
Represent deionized water percentage ratio of the total volume.
Fig. 3 is the emission spectra of present invention graphene quantum dot prepared by with ethyl cellulose as carbon source.
Fig. 4 is the luminescence under ultra violet lamp of the present invention graphene quantum dot prepared by with ethyl cellulose as carbon source
Effect.
Fig. 5 is that present invention graphene quantum dot prepared by with sucrose as carbon source applies the J-V curve at solaode
Figure.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme is described in further detail.
Embodiment 1
One, graphene quantum dot prepared by present invention natural macromolecular is prepared by following steps:
1, starch etc. is weighed 0.3～0.6g as the raw material of carbon source, be dissolved in 40mL deionized water；Operation is all stirred at room temperature
Mixing down and carry out, the raw material as carbon source to be progressively added in solvent；
2, in the solution that step 1 prepares, add the concentrated sulphuric acid 80～200 μ L that mass fraction is 98%, seal stirring 10～20 points
Clock is as precursor solution；
The quality of the natural macromolecular carbon source in heretofore described step (1) exists with the mass ratio of the concentrated sulphuric acid in step (2)
In the range of 1:1.5～3.5, the unit of described quality is g, and the unit of volume is mL；
3, being moved in reactor by the described precursor solution of step 2, put in baking oven and react, oven temperature is 140 DEG C
～180 DEG C, the time is 4～8 hours；
4, above-mentioned product filter paper is once filtered, put into dialysis in dialyzer and obtain graphene quantum dot in 20～60 hours
Aqueous solution；Described dialyzer is 1000 dalton, changes water 3～5 times.
Two, the preparation of quantum dot sensitized solaode
It is used for preparing quantum dot sensitization solar battery by prepared graphene quantum dot, comprises the following steps:
1, use sol-gel self-combustion synthesis to prepare colloidal tio 2, colloidal tio 2 is applied on FTO electro-conductive glass matrix, warp
Titanium deoxid film is prepared after 400～500 DEG C of calcinings；
2, titanium deoxid film prepared by above-mentioned steps is soaked in the aqueous solution of graphene quantum dot, soaks 40～80 little
Time, obtain the light anode of quantum dot sensitized solaode；
3, light anode above-mentioned steps prepared and platinum are to combination of electrodes, and add liquid electrolyte assembling quantum dot in centre quick
Change solaode.
Described liquid electrolyte by 0.01～0.06 mol/L iodine, 0.08～0.12 mol/L lithium iodide, 0.4～0.8
The acetonitrile solution composition of mol/L tetrabutylammonium iodide and 0.4～0.6 mol/L 4-tert .-butylpyridine.
The described quantum dot sensitized solaode open-circuit voltage that the present invention prepares is 0.3～0.6V, short-circuit current density
It is 0.3～0.7mA cm-2, photoelectric transformation efficiency be 0.1～0.3%.
The performance test of graphene quantum dot prepared by embodiment 2, present invention natural macromolecular
1, for the present invention with maltose alcohol as carbon source prepared by the high power transmission collection of illustrative plates of graphene quantum dot.
2, test with ultraviolet-uisible spectrophotometer.It is with ethyl cellulose for carbon source one-step method system as shown in Figure 2
The uv-spectrogram of standby graphene quantum dot.Significantly absworption peak is at 280 ran, and percentage ratio represents that deionized water accounts for always
The percentage ratio of volume, and reduce absorption peak strength reduction with quantum dot concentration.
3, test by fluorescence spectrophotometer.It is the graphite prepared for carbon source one-step method with ethyl cellulose as shown in Figure 3
The emission spectra of alkene quantum dot.Under the effect of different excitation wavelengths, emission spectra peak value goes out Red Shift Phenomena, and in excitation wavelength is
350 ran emission spectra peak values are the highest, peak position at about 450nm, solution under uviol lamp in blueness.
4, it is irradiated with the uviol lamp of 365nm.It is the Graphene amount prepared for carbon source with ethyl cellulose as shown in Figure 4
Son point sends blue light under uviol lamp.
5, Fig. 5 is that present invention graphene quantum dot prepared by with sucrose as carbon source applies the J-V at solaode bent
Line chart.
Above example is only in order to illustrate technical scheme, rather than is limited；Although with reference to aforementioned reality
Execute example the present invention has been described in detail, for the person of ordinary skill of the art, still can be to aforementioned enforcement
Technical scheme described in example is modified, or wherein portion of techniques feature is carried out equivalent；And these are revised or replace
Change, do not make the essence of appropriate technical solution depart from the spirit and scope of claimed technical solution of the invention.
Claims (10)
1. the graphene quantum dot prepared with natural macromolecular, it is characterised in that: it is obtained by following steps:
(1) natural macromolecular is dissolved in water as carbon source；
(2) in the solution that step (1) prepares, add concentrated sulphuric acid, seal stirring, as precursor solution；
(3) described precursor solution is moved in reactor, put in baking oven and react；
(4) above-mentioned product is filtered, put in dialyzer and dialyse, obtain the aqueous solution of graphene quantum dot, and and then obtain
To graphene quantum dot.
Graphene quantum dot prepared by natural macromolecular the most according to claim 1, it is characterised in that: described step
(1) quality of the natural macromolecular in is 1:1.5～3.5 with the mass ratio of the concentrated sulphuric acid in step (2).
Graphene quantum dot prepared by natural macromolecular the most according to claim 1, it is characterised in that: described natural greatly
One or more in ethyl cellulose, starch, sucrose, maltose alcohol of molecule.
Graphene quantum dot prepared by natural macromolecular the most according to claim 1, it is characterised in that: described step
(3) in, oven temperature is 140 DEG C～180 DEG C, and the time is 4～8 hours.
Graphene quantum dot prepared by natural macromolecular the most according to claim 1, it is characterised in that: described step
(4) dialyzer is 1000 dalton, dialyses 20～60 hours, and dialysis is changed water 3～i.e. be can get graphene quantum dot 5 times.
6. the application in preparing quantum dot sensitization solar battery of the graphene quantum dot described in claim 1.
The graphene quantum dot the most according to claim 6 application in preparing quantum dot sensitization solar battery, it is special
Levy and be: described quantum dot sensitized solaode is prepared by following steps:
(1), prepare colloidal tio 2, colloidal tio 2 is applied on FTO electro-conductive glass matrix, after calcining, prepare dioxy
Change titanium thin film；
(2), titanium deoxid film is soaked in the aqueous solution of described graphene quantum dot, obtains quantum dot sensitized solar-electricity
The light anode in pond；
(3) the light anode, by above-mentioned steps prepared with to combination of electrodes, and centre add liquid electrolyte be assembled into quantum dot
Sensitization solar battery.
The graphene quantum dot the most according to claim 7 application in preparing quantum dot sensitization solar battery, it is special
Levy and be: in described step (2), soak time is 40～80 hours in the aqueous solution of graphene quantum dot.
The graphene quantum dot the most according to claim 7 application in preparing quantum dot sensitization solar battery, it is special
Levy and be: in described step (3) liquid electrolyte by 0.01～0.06 mol/L iodine, 0.08～0.12 mol/L lithium iodide, 0.4
～0.8 acetonitrile solution composition of mol/L tetrabutylammonium iodide and 0.4～0.6 mol/L 4-tert .-butylpyridine.
The graphene quantum dot the most according to claim 6 application in preparing quantum dot sensitization solar battery, it is special
Levy and be: the open-circuit voltage of described quantum dot sensitized solaode is 0.3～0.6V, short-circuit current density be 0.3～
0.7mA·cm-2, photoelectric transformation efficiency be 0.1～0.3%.
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Cited By (7)
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| CN106596874A (en) * | 2017-01-20 | 2017-04-26 | 中国海洋大学 | Carbon quantum dots in starch-based food and detection method and application of carbon quantum dots |
| CN108767122A (en) * | 2018-05-28 | 2018-11-06 | 福州大学 | The preparation and its application of the mesoporous titanium dioxide film material of modified by graphene quantum dot |
| CN108842157A (en) * | 2018-02-08 | 2018-11-20 | 浙江工业大学 | A method of multicolor fluorescence graphene quantum dot is prepared in same electrolytic tank electrolysis |
| CN108892130A (en) * | 2018-04-04 | 2018-11-27 | 三峡大学 | The green synthesis method of graphene quantum dot is prepared using starch |
| CN109096946A (en) * | 2018-06-01 | 2018-12-28 | 三峡大学 | A kind of graphene oxide Aqueous Adhesives and preparation method thereof |
| CN110663086A (en) * | 2017-05-24 | 2020-01-07 | 格拉夫埃尼德科技株式会社 | Electrolyte for electrochemical element and method for producing same |
| CN113707462A (en) * | 2021-08-13 | 2021-11-26 | 山东大学 | Graphene quantum dot-based dye-sensitized solar cell photo-anode, preparation method and application in solar cell |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596874A (en) * | 2017-01-20 | 2017-04-26 | 中国海洋大学 | Carbon quantum dots in starch-based food and detection method and application of carbon quantum dots |
| CN110663086A (en) * | 2017-05-24 | 2020-01-07 | 格拉夫埃尼德科技株式会社 | Electrolyte for electrochemical element and method for producing same |
| CN108842157A (en) * | 2018-02-08 | 2018-11-20 | 浙江工业大学 | A method of multicolor fluorescence graphene quantum dot is prepared in same electrolytic tank electrolysis |
| CN108892130A (en) * | 2018-04-04 | 2018-11-27 | 三峡大学 | The green synthesis method of graphene quantum dot is prepared using starch |
| CN108767122A (en) * | 2018-05-28 | 2018-11-06 | 福州大学 | The preparation and its application of the mesoporous titanium dioxide film material of modified by graphene quantum dot |
| CN109096946A (en) * | 2018-06-01 | 2018-12-28 | 三峡大学 | A kind of graphene oxide Aqueous Adhesives and preparation method thereof |
| CN109096946B (en) * | 2018-06-01 | 2020-06-30 | 三峡大学 | Graphene oxide aqueous adhesive and preparation method thereof |
| CN113707462A (en) * | 2021-08-13 | 2021-11-26 | 山东大学 | Graphene quantum dot-based dye-sensitized solar cell photo-anode, preparation method and application in solar cell |
| CN113707462B (en) * | 2021-08-13 | 2023-01-31 | 山东大学 | Graphene quantum dot-based dye-sensitized solar cell photo-anode, preparation method and application in solar cell |
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