CN108806991A - Anthocyanidin method of modifying for dye-sensitized solar cells - Google Patents
Anthocyanidin method of modifying for dye-sensitized solar cells Download PDFInfo
- Publication number
- CN108806991A CN108806991A CN201810810279.8A CN201810810279A CN108806991A CN 108806991 A CN108806991 A CN 108806991A CN 201810810279 A CN201810810279 A CN 201810810279A CN 108806991 A CN108806991 A CN 108806991A
- Authority
- CN
- China
- Prior art keywords
- anthocyanidin
- dye
- solar cells
- sensitized solar
- solution
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
- H01G9/2059—Light-sensitive devices comprising an organic dye as the active light absorbing material, e.g. adsorbed on an electrode or dissolved in solution
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
Abstract
The present invention relates to a kind of anthocyanidin method of modifying for dye-sensitized solar cells, belong to solar cell material preparing technical field, in acid condition, Strong oxdiative reaction is carried out to anthocyanidin using potassium permanganate, it is carboxyl by primary hydroxyl group Strong oxdiative therein, to improve anthocyanidin in TiO2Adsorbance on film.The present invention provides the method to carrying out Strong oxdiative for the anthocyanidin of dye-sensitized solar cells for the first time, the advantages of improving the adsorbance of dyestuff and then dye-sensitized solar cells photoelectric properties can be improved, with the features such as preparation method is simple, and reaction is easily controllable, abundant raw material.
Description
Technical field
The present invention relates to a kind of anthocyanidin method of modifying for dye-sensitized solar cells, belong to solar cell material
Expect preparing technical field.
Background technology
Dye-sensitized solar cells (Dye-sensitized solar cell, abbreviation DSC) is called " Gratzel " electricity
Pond, be 1991 Lausanne, SUI federation science and engineering (EPFL) MGratzel professor team invention a kind of new and effective sun
It can battery.Not only manufacture craft is simple for the battery, and can make it is flexible, it is colored, can be used for external wall and also may be used
As decoration.The theoretical conversion efficiencies of DSC are very high, are more than the theoretical conversion efficiencies of monocrystalline silica-based solar cell up to 33%.
Based on the above reason, DSC also thus be considered as traditional silicon based cells contenders and replacer, Global Academy with
Industrial quarters attracts more and more research enthusiasm.
Dye-sensitized solar cells (DSC) is a kind of battery that simulating plant photosynthesis carries out opto-electronic conversion, wherein
Dye sensitizing agent is one of key components of DSC, it is adsorbed in nanoporous TiO2On film, has and absorb sunlight production
Third contact of a total solar or lunar eclipse electronics, and photoelectron is injected into TiO2Conduction band in effect.Dye sensitizing agent as DSC needs to have sunlight
Good absorbent properties, carrying can be with TiO2The group (such as hydroxyl, carboxyl, phosphate) of chemisorption, Neng Gouxiang occurs
TiO2Inject electronics and relatively good stability etc..People have synthesized nearly thousand kinds of dyestuffs at present, wherein with the connection of ruthenium
The photoelectric properties of pyridine complex are best, but since its cost is relatively high, and synthesis is difficult, limits its to a certain extent
It is large-scale to use.
Natural dye sensitizer is directly extracted from plant, and the process for obtaining dyestuff is relatively easy, production cost compared with
It is low, and with it is environmental-friendly, but natural dye sensitizer as DSC dye sensitizing agent there is certain deficiency, cause to contaminate
Expect sensitizer in TiO2Adsorbance on film is not high, and photoelectric conversion efficiency is not high.
Invention content
It is an object of the invention to solve existing anthocyanidin sensitizer in TiO2Adsorbance on film is not high, it is proposed that one
The method that kind is modified natural anthocyanidin, to improve the performance of anthocyanidin sensitization solar battery.
The technical solution adopted by the present invention to solve the technical problems is：
For the anthocyanidin method of modifying of dye-sensitized solar cells, in acid condition, using potassium permanganate to flower
Green element carries out Strong oxdiative reaction, is carboxyl by primary hydroxyl group Strong oxdiative therein, to improve anthocyanidin in TiO2Suction on film
Attached amount.
Anthocyanidin method of modifying for dye-sensitized solar cells comprising following steps：
1) it prepares liquor potassic permanganate and is demarcated, measure KMnO4It is a concentration of：
C(KMnO4)=0.0210mol/L；
2) using distilled water as solvent, a concentration of of anthocyanidin is prepared：0.2g/L；
3) hydrochloric acid solution of 0.01mol/L is prepared；
4) sodium hydroxide solution of 0.01mol/L is prepared；
5) the liquor potassic permanganate 10ml for taking step 1) to prepare is added the hydrochloric acid solution 5ml that step 3) is prepared, and is placed on magnetic
It is stirred on power blender, 300 revs/min of rotating speed；
6) anthocyanidin solution 10ml is taken, is slowly added into the acid permanganate soln that step 5) is stirring, in room
Temperature is lower to react 45min, completes Strong oxdiative reaction；
7) product that step 6) obtains all is poured into progress low-speed centrifugal separation in centrifuge tube after the completion of reacting, by pigment
It is detached with manganese dioxide precipitate；
8) sodium hydroxide solution of 5ml will be added in the obtained pigment of step 7)；
9) 2-3 extraction is carried out using organic solvent petroleum ether to the obtained pigment of step 8), obtains pigment；
10) decompression spin concentration is carried out to pigment obtained by step 9), removed after solvent to get to the cyanine after Strong oxdiative
Element.
Centrifugal rotational speed is 4000r/min when pigment and manganese dioxide are centrifuged the step 7.
When the step 9 petrochina ether and distilled water are extracted, using the method repeatedly extracted on a small quantity, first by petroleum ether
With pigment solution according to volume ratio 1:3 carry out concussion mixing 5-10 minutes, are then allowed to stand to layering, water system layer is collected, can use
Petroleum ether is repeatedly extracted, until petroleum ether is mutually colourless.
The pigment after extraction is subjected to low temperature concentration, vacuum degree 7000pa under vacuum in the step 10, temperature is
It 25-45 DEG C, is concentrated into volume and is not changing.
The present invention needs to carry out the anthocyanidin of Strong oxdiative to be the Anthocyanin class containing primary hydroxyl group in molecular structure, such as
Its molecular structural formula of purple potato pigment is as follows：
It is reacted by the Strong oxdiative of potassium permanganate in acid condition, is carboxyl by the primary hydroxyl group Strong oxdiative in molecule,
Anthocyanidin is improved in TiO2Adsorbance on film so that the performance of anthocyanidin sensitization solar battery is improved.It improves
The photoelectric conversion efficiency of battery, and Strong oxdiative process has many advantages, such as simple, easily-controllable, there is preferable market development foreground.
Provided by the present invention for the anthocyanidin method of modifying of dye-sensitized solar cells, have compared with prior art
Following advantageous effect：The present invention provides the side to carrying out Strong oxdiative for the anthocyanidin of dye-sensitized solar cells for the first time
Method has the adsorbance for improving dyestuff and then can improve dye sensitization of solar compared with existing natural dye sensitizer
The advantages of cell photoelectric performance.Compared with existing synthetic dyestuffs, have that preparation method is simple, reaction is easily controllable, former
The features such as material is abundant.
Specific implementation mode
Strong oxdiative is carried out with reference to the embodiment anthocyanidin to for dye-sensitized solar cells a kind of to the present invention
Method and technology scheme be further described.
Embodiment 1
Anthocyanidin method of modifying for dye-sensitized solar cells comprising following steps：
1) it prepares liquor potassic permanganate and is demarcated, measure KMnO4It is a concentration of：
C(KMnO4)=0.0210mol/L；
2) using distilled water as solvent, a concentration of of anthocyanidin is prepared：0.2g/L；The anthocyanidin is purple potato pigment.
3) using distilled water as solvent, the hydrochloric acid solution of 0.01mol/L is prepared；
4) using distilled water as solvent, the sodium hydroxide solution of 0.01mol/L is prepared；
5) the liquor potassic permanganate 10ml for taking step 1) to prepare is added the hydrochloric acid solution 5ml that step 3) is prepared, and is placed on magnetic
It is stirred on power blender, 300 revs/min of rotating speed.
6) the purple potato pigment solution 10ml for taking 0.2g/L, it is molten to be slowly added into the acid potassium permanganate that step 5) is stirring
In liquid, 45min is reacted at room temperature, completes Strong oxdiative reaction.
7) product that step 6) obtains all is poured into progress low-speed centrifugal separation in centrifuge tube after the completion of reacting, by pigment
It is detached with manganese dioxide precipitate.Centrifugal rotational speed is 4000r/min.
8) sodium hydroxide solution of 5ml will be added in the obtained pigment of step 7).
9) 2-3 extraction is carried out using organic solvent petroleum ether to the obtained pigment of step 8), after obtaining Strong oxdiative
Purple sweet potato.Using the method repeatedly extracted on a small quantity, first by petroleum ether and pigment solution according to volume ratio 1:3 carry out concussion mixing 5-10
Minute, it is then allowed to stand to layering, water system layer is collected, can repeatedly be extracted with petroleum ether, until petroleum ether is mutually colourless.
10) decompression spin concentration, vacuum degree 7000pa are carried out to pigment obtained by step 9), temperature is 25-45 DEG C, concentration
It is not changing to volume.It removes after solvent to get to the anthocyanidin after Strong oxdiative.
Sensitization solar battery is assembled using the anthocyanidin after Strong oxdiative, and carries out photoelectric properties test.It is prepared by battery：It will
TiO2Film, which is soaked at room temperature in dyestuff, to be cleaned the extra dyestuff of film surface with absolute ethyl alcohol afterwards for 24 hours and obtains light anode,
Light anode and to electrode flat mouth it is clamping it is fixed assembling " sandwich " structure battery.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (6)
1. the anthocyanidin method of modifying for dye-sensitized solar cells, which is characterized in that in acid condition, utilize Gao Meng
Sour potassium carries out Strong oxdiative reaction to anthocyanidin, is carboxyl by primary hydroxyl group Strong oxdiative therein, to improve anthocyanidin in TiO2It is thin
Adsorbance on film.
2. the anthocyanidin method of modifying according to claim 1 for dye-sensitized solar cells, which is characterized in that use
To solution solubility be：
Measure KMnO4It is a concentration of：C(KMnO4)=0.0210mol/L；
Anthocyanidin it is a concentration of：0.2g/L；
Hydrochloric acid solution it is a concentration of：0.01mol/L；
Sodium hydroxide solution it is a concentration of：0.01mol/L；
Including step, carried out according to the ratio of following solution usage：
(1) it takes liquor potassic permanganate 10ml and hydrochloric acid solution 5ml to be mixed to get acid permanganate soln, magnetic stirring apparatus is used in combination
It is stirred, 300 revs/min of rotating speed；
(2) anthocyanidin solution 10ml is taken, is slowly added into the acid permanganate soln stirred, is carried out at room temperature strong
Oxidation reaction；
(3) product is all poured into progress low-speed centrifugal separation in centrifuge tube, by pigment and manganese dioxide precipitate after the completion of reacting
Separation；
(4) sodium hydroxide solution of 5ml will be added in the obtained pigment of upper step, obtain pigment solution；
(5) it recycles organic solvent petroleum ether to extract pigment solution, obtains pigment；
(6) decompression spin concentration carried out to gained pigment, removed after solvent to get to the anthocyanidin after Strong oxdiative.
3. the anthocyanidin method of modifying according to claim 2 for dye-sensitized solar cells, which is characterized in that step
Suddenly the low-speed centrifugal separation described in (3), centrifugal rotational speed 4000r/min.
4. the anthocyanidin method of modifying according to claim 2 for dye-sensitized solar cells, which is characterized in that step
Suddenly when extraction described in (5), using the method repeatedly extracted on a small quantity, first by petroleum ether and pigment solution according to volume ratio 1:3 into
Row concussion mixing 5-10 minutes, is then allowed to stand to layering, water system layer is collected, repeatedly extracted with petroleum ether, until oil
Ether is mutually colourless.
5. the anthocyanidin method of modifying according to claim 2 for dye-sensitized solar cells, which is characterized in that step
Suddenly spin concentration, vacuum degree 7000pa are being depressurized described in (5), temperature is 25-45 DEG C, is concentrated into volume and is not becoming
Change.
6. the anthocyanidin method of modifying of dye-sensitized solar cells is used for according to claim 1 to 5 any one of them, it is special
Sign is that the anthocyanidin is the Anthocyanin class containing primary hydroxyl group in molecular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810279.8A CN108806991B (en) | 2018-07-23 | 2018-07-23 | Anthocyanin modification method for dye-sensitized solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810279.8A CN108806991B (en) | 2018-07-23 | 2018-07-23 | Anthocyanin modification method for dye-sensitized solar cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108806991A true CN108806991A (en) | 2018-11-13 |
| CN108806991B CN108806991B (en) | 2020-01-07 |
Family
ID=64077690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810810279.8A Expired - Fee Related CN108806991B (en) | 2018-07-23 | 2018-07-23 | Anthocyanin modification method for dye-sensitized solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108806991B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371123A (en) * | 2020-11-27 | 2021-02-19 | 嘉兴学院 | Supported silver-doped manganese dioxide catalyst and preparation method and application thereof |
| CN114388273A (en) * | 2022-01-07 | 2022-04-22 | 青海大学 | Preparation method and application of anthocyanin-sensitized P5FIN/ITO nano composite material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102076862A (en) * | 2008-04-30 | 2011-05-25 | 希乐克公司 | Cellulosic and lignocellulosic material structural materials and methods and systems for making these materials by radiation |
| CN102408744A (en) * | 2011-08-10 | 2012-04-11 | 中北大学 | Photosensitive fuel for dye-sensitized solar cell and preparation method thereof |
| DE102016116154A1 (en) * | 2016-08-30 | 2018-03-01 | Dechema-Forschungsinstitut | Flow battery |
-
2018
- 2018-07-23 CN CN201810810279.8A patent/CN108806991B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102076862A (en) * | 2008-04-30 | 2011-05-25 | 希乐克公司 | Cellulosic and lignocellulosic material structural materials and methods and systems for making these materials by radiation |
| CN102408744A (en) * | 2011-08-10 | 2012-04-11 | 中北大学 | Photosensitive fuel for dye-sensitized solar cell and preparation method thereof |
| DE102016116154A1 (en) * | 2016-08-30 | 2018-03-01 | Dechema-Forschungsinstitut | Flow battery |
Non-Patent Citations (1)
| Title |
|---|
| 杨桂军等: "酰化紫薯色素敏化太阳能电池的性能研究", 《光电子.激光》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112371123A (en) * | 2020-11-27 | 2021-02-19 | 嘉兴学院 | Supported silver-doped manganese dioxide catalyst and preparation method and application thereof |
| CN114388273A (en) * | 2022-01-07 | 2022-04-22 | 青海大学 | Preparation method and application of anthocyanin-sensitized P5FIN/ITO nano composite material |
| CN114388273B (en) * | 2022-01-07 | 2022-10-14 | 青海大学 | Preparation method and application of anthocyanin-sensitized P5FIN/ITO nano composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108806991B (en) | 2020-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Richhariya et al. | Natural dyes for dye sensitized solar cell: A review | |
| CN109461821A (en) | A kind of preparation method of hybrid inorganic-organic perovskite thin film | |
| CN104529988B (en) | A kind of method that plateau natural dye sensitizer is carried out to chemical modification | |
| US11056287B2 (en) | Isodiketopyrrolopyrrole dye and use thereof | |
| CN108806991A (en) | Anthocyanidin method of modifying for dye-sensitized solar cells | |
| CN103554957A (en) | Triphenylamine-thiophene organic dyestuff as well as preparation method and application thereof | |
| CN103588808A (en) | Polyhedral oligomeric silsesquioxane (POSS)-based solid ionic liquid, and preparation method and application thereof | |
| CN103943368A (en) | Novel germanium-containing perovskite material and solar cell comprising same | |
| CN103450701A (en) | Natural dyestuff sensitizer on plateau for dye-sensitized solar cell | |
| CN103145761B (en) | Utilize the method for recrystallization method purification Ruthenium complex crude product | |
| CN105742384A (en) | Halogen-doped lead chalcogenide nanometer crystal and preparation method and application thereof | |
| CN108899421A (en) | Full-inorganic perovskite solar battery and its preparation method and application based on polyaniline and zinc oxide photoactive layers | |
| CN104610775B (en) | A kind of phenanthro- carbazoles dyestuff and preparation method thereof and dye-sensitized solar cells | |
| CN107312354A (en) | A kind of extraction of natural dye sensitizer lycium ruthenicum pigment and its acylated method | |
| CN105802272B (en) | A kind of anthryl organic dyestuff and preparation method thereof | |
| CN114591365B (en) | Luminous copper compound based on benzimidazole phosphine oxide ligand and preparation method and application thereof | |
| CN108659019A (en) | Perovskite hole mobile material and preparation method thereof based on triptycene parent nucleus | |
| CN105837552A (en) | Treating method for synthesis reaction solution used for intermediate of heliotropin | |
| CN102432615B (en) | Compound used as dye sensitizing agent of solar cell and preparation method thereof | |
| CN104576064B (en) | For the ZnO/SnO of DSSC2The preparation method of complex light anode | |
| CN106380380A (en) | Fullerene derivative and application of fullerene derivative in perovskite solar cells | |
| CN104497053B (en) | Utilize the method for back extraction purification Ruthenium complex crude product | |
| CN105503738A (en) | Method for synthesizing bionic redox couple 2-(3,5-di-tert-butyl-2-hydroxyphenyl)benzimidazole-5-carboxylic acid | |
| CN104987748B (en) | Organic dye, preparation method thereof and application thereof | |
| CN105086499B (en) | Photosensitive dye, and preparation method and solar cell thereof |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20210723 |