CN102592840B - Quantum-dot sensitized oxide/carbon nanotube composite fiber solar cell photo-anode - Google Patents
Quantum-dot sensitized oxide/carbon nanotube composite fiber solar cell photo-anode Download PDFInfo
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Abstract
The invention discloses a quantum-dot sensitized oxide/carbon nanotube composite fiber solar cell photo-anode, producing method and application thereof. The fiber solar cell photo-anode is composed of oxide/carbon nanotube composite fibers and quantum-dot photosensitizers, wherein the oxide/carbon nanotube composite fibers are composites of oxides and carbon nanotube composite fibers. Specifically, the carbon nanotube composite fibers which serve as matrixes are subjected to acid treatment, subjected to vacuum impregnation in a precursor solution containing titanium, zinc or tin, taken out and then subjected to drying and heat treatment to obtain oxide/carbon nanotube composite fibers. Finally, the quantum-dot photosensitizers are used for sensitizing composite fibers to produce the quantum-dot sensitized oxide/carbon nanotube composite fiber solar cell photo-anode. According to the quantum-dot sensitized oxide/carbon nanotube composite fiber solar cell photo-anode, fiber solar cell photo-anodes can be produced, and enhancement of the photoelectric conversion efficiency of solar cells by carbon nanotubes is achieved, so that synchronous breakthrough in terms of the structure and the function is achieved.
Description
Technical field
The present invention relates to a kind of quantum-dot sensitized oxide of flexible fiber shape/carbon nano tube composite fibre solar battery photoanode and preparation method thereof and application, belong to technical field of solar cells.
Background technology
The many advantages such as the flexible fiber solar cell is bent owing to having, can be wound around, can weave, can meet the fields such as space flight and aviation, weaponry, energy saving building to the new demand that solar cell proposes, and become one of focus of photovoltaic research.In miscellaneous solar cell, quantum dot sensitized solar cell (Quantum-dots Sensitized Solar Cells, QDs-SSCs), due to the structure and material characteristics of itself, is more easily realized fibrillatable.What is more important, this solar cell has the advantages such as electricity conversion is high, preparation technology is simple, the prices of raw and semifnished materials are cheap.Therefore, the quantum dot sensitized fiber solar cell of preparation has larger scientific meaning and practical value.In quantum dot sensitized solar cell, light anode (comprising conductor oxidate and quantum dot light sensitizer) is the core component that produces light induced electron, therefore is made into the key technology that filamentary structure is whole research.
In quantum dot sensitized solar cell field, except above-mentioned preparation fiber optic anode, the electricity conversion that improves battery is also one of focus of research.In traditional oxide nanocrystalline perforated membrane light anode, light induced electron will just can be transmitted to conducting base through one section long path, as shown in Figure 1.This has just increased electronics by compound probability, thereby hindered battery efficiency ground, further improves.Recently people study discovery, by carbon nano-tube (Carbon Nanotubes, CNTs) join in the light anode, can make light induced electron conduct to rapidly external circuit by carbon nano-tube, thereby significantly reduced electronics by compound probability, significantly improve the photoelectric conversion performance of solar cell, as shown in Figure 2.
The present invention is with carbon nano-tube fibre (Carbon Nanotube Yarns, CNTYs) for matrix, prepare quantum dot sensitized oxide/carbon nanotube composite fibre solar battery photoanode, the electricity conversion for preparing the fiber solar battery photoanode and utilize carbon nano-tube to strengthen battery is combined, realized structure-function integration.
Summary of the invention
The object of the present invention is to provide a kind of quantum-dot sensitized oxide/carbon nano tube composite fibre solar battery photoanode and preparation method thereof and application.
Purpose of the present invention is achieved by following technical proposals:
Quantum-dot sensitized oxide/carbon nano tube composite fibre solar battery photoanode is comprised of oxide/carbon nanotube composite fibre and quantum dot light sensitizer.
Described oxide/carbon nanotube composite fibre is comprised of oxide and carbon nano-tube fibre.Wherein, described oxide is titanium oxide, zinc oxide or tin oxide.
Described quantum dot light sensitizer is cadmiumsulfide quantum dot, CdSe quantum dots, cadmium telluride quantum dot, ZnS quantum dots, zinc selenide quantum dot, zinc telluride quantum dot, mercuric sulphide quantum dot, mercury selenide quantum dot or tellurium mercury quantum dot.
The present invention further discloses a kind of method for preparing quantum dot sensitized oxide/carbon nanotube composite fibre solar battery photoanode, according to following step, carry out:
(1) acid solution that carbon nano-tube fibre is placed in to uniform temperature is processed certain hour, after taking out, uses deionized water rinsing;
(2) metallo-organic compound of a certain amount of titaniferous, zinc or tin is dissolved in to organic solvent, and, with the pH value of acetic acid regulation system, is configured to precursor solution;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into precursor solution prepared by step (2) and is carried out vacuum impregnation.After dipping finishes, product is taken out, obtain after drying oxide gel/carbon nano tube composite fibre;
(4) the oxide gel/carbon nano tube composite fibre heat treatment under the mixed atmosphere of oxygen/argon that prepared by step (3), obtain oxide/carbon nanotube composite fibre;
(5) the oxide/carbon nanotube composite fibre that prepared by step (4) immerses in the hexane solution of certain density quantum dot light sensitizer, under the condition of normal temperature lucifuge, keep a period of time, finally make quantum-dot sensitized oxide/carbon nano tube composite fibre solar battery photoanode.
In described step (1), described acid solution is the aqueous solution of sulfuric acid, nitric acid or hydrochloric acid, and the weight percent concentration of acid solution is 50-80%, and temperature is 50-80 ℃, and the processing time is 60-90min.
In step of the present invention (2), the metallo-organic compound of described titaniferous, zinc or tin is: tetraethyl titanate, butyl titanate, isopropyl titanate, isopropyl titanate, titanium acetylacetone, zinc acetate, zinc stearate, zinc methide, zinc acetylacetonate, PZ, tributyl ethene tin, hexamethyl ethyl tin, four vinyl tins, dibutyltin diacetate or bis-acetylacetonate base dibutyl tin; Described organic solvent is alcohols or the organic solvent of ketone that is in a liquid state under normal temperature, for example: methyl alcohol, ethanol, ethylene glycol, propyl alcohol, isopropyl alcohol, butanols, acetone, butanone, acetylacetone,2,4-pentanedione, methylisobutylketone; In described precursor solution, metal-organic weight concentration is 1.0-5.0mg/ml; The pH value of described precursor solution is 3-5.
In step of the present invention (3), vacuum-impregnated air pressure is 100-500Pa, and the time is 30-60min.
In step of the present invention (4), the heat treatment in the mixed atmosphere of oxygen/argon of oxide gel/carbon nano tube composite fibre, the time is 90-120min, temperature is 300-450 ℃, oxygen: the mol ratio of argon gas is 1:4-8.
In step of the present invention (5), described quantum dot light sensitizer is cadmiumsulfide quantum dot, CdSe quantum dots, cadmium telluride quantum dot, ZnS quantum dots, zinc selenide quantum dot, zinc telluride quantum dot, mercuric sulphide quantum dot, mercury selenide quantum dot or tellurium mercury quantum dot; In described quantum dot light sensitizer solution, the weight concentration of quantum dot is 0.1-0.5mg/ml, and dip time is 6-12h.
The present invention further discloses quantum-dot sensitized oxide/carbon nano tube composite fibre solar battery photoanode is preparing the fiber solar cell and is strengthening the application aspect the cell photoelectric transformation efficiency.Experimental result shows: the sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (quantum dot sensitized titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of each fiber optic anode is more than 3.00%, illustrate its preparation quantum dot sensitized fiber solar cell field the major application prospect is arranged.
The good effect that quantum-dot sensitized oxide disclosed by the invention/the carbon nano tube composite fibre solar battery photoanode compared with prior art has is:
The present invention has adopted carbon nano-tube fibre as the matrix for preparing the fiber solar battery photoanode.Carbon nano-tube fibre used is a kind of New Type of Carbon nanotube macroscopic material that developed recently gets up, and by the carbon nano pipe array spinning, is obtained, and the carbon nano-tube in fiber is along the fiber axially-aligned.Using its matrix as quantum dot sensitized fiber solar cell, have following advantage: (1) has good flexibility and intensity, higher electricity are led, and for preparing the fiber solar cell, provides desirable matrix; (2) carbon nano-tube in fiber can effectively strengthen the electricity conversion of battery.
The accompanying drawing explanation:
Fig. 1 is the transmission path schematic diagram of light induced electron in the nanocrystalline porous film light of conventional oxide anode; Wherein 1: conducting base; 2: oxide nanocrystalline; 3: light induced electron;
Fig. 2 is the transmission path schematic diagram that adds the light induced electron after carbon nano-tube in the light anode; Wherein 1 is conducting base; 2: oxide nanocrystalline; 3: light induced electron; 4: carbon nano-tube.
Embodiment
Below in conjunction with specific embodiment, further illustrate technical scheme of the present invention.The carbon nano-tube fibre reference literature Li Qinwen that adopts in the embodiment of the present invention, Zhang Xiefei, DePaula Raymond F. et al. Advanced Materials, the method for putting down in writing in 2006,18,3160-3163. makes.What be illustrated especially is that the present invention's various reagent used, gas all have commercially available.
Reference example
At first, adopt ion beam assisted deposition on silicon chip, to prepare the iron film that one deck 1.0nm is thick, as the catalyst of synthesizing carbon nanotubes array.Secondly, the silicon chip that is coated with the iron film is put into to the quartzy stove of the tubular type stage casing that a bore is 2.5cm, and furnace temperature is risen to 750 ℃.Again, with argon gas/hydrogen gas mixture (mol ratio is 94:6), as carrier gas, ethene, as carbon source, prepare carbon nano pipe array.Be specially argon gas/hydrogen gas mixture, ethene are all injected to the quartzy stove of tubular type with the flow velocity of 120sccm, after the lasting 1h of reaction, obtain highly being about the carbon nano pipe array of 5 μ m.Finally, from the carbon nano pipe array that makes, spinning carbon nano-tube fibre, wherein to spin the axle rotating speed be 2400 rpm, spin speed is 3cm/min.
It should be noted that, although factors such as iron film thickness, reaction temperature, carrier gas flux, carbon source flow all has certain influence to the spinning of carbon nano pipe array and follow-up fiber, does not affect the acquisition of final carbon nano-tube fibre and the preparation of follow-up battery.
Preparation Example
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make cadmium selenide quantum sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.20%.
Embodiment 2
(1) to put into 65 ℃, weight percent concentration be that 65% aqueous solution of nitric acid is processed 75min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.10%.
(1) to put into 80 ℃, weight percent concentration be that 80% aqueous hydrochloric acid solution is processed 60min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.19%.
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 300mg isopropyl titanate is dissolved in the 100ml isopropyl alcohol, and is 4 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 3.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.31%.
Embodiment 5
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 500mg titanium acetylacetone is dissolved in the 100ml acetylacetone,2,4-pentanedione, and is 5 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 5.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.41%.
Embodiment 6
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg zinc stearate is dissolved in 100ml methyl alcohol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the zinc precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the zinc precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains zinc oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of zinc oxide gel/carbon nano tube composite fibre, obtain zinc oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) zinc oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make CdSe quantum dots sensitized zinc oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitized zinc oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 4.20%.
Embodiment 7
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 300mg PZ is dissolved in the 100ml methylisobutylketone, and is 4 with the pH value of acetic acid regulation system, being configured to weight concentration is the zinc precursor liquid solution of 3.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the zinc precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains zinc oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of zinc oxide gel/carbon nano tube composite fibre, obtain zinc oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) zinc oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make CdSe quantum dots sensitized zinc oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitized zinc oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.09%.
Embodiment 8
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 500mg zinc methide is dissolved in the 100ml propyl alcohol, and is 5 with the pH value of acetic acid regulation system, being configured to weight concentration is the zinc precursor liquid solution of 5.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the zinc precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains zinc oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of zinc oxide gel/carbon nano tube composite fibre, obtain zinc oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) zinc oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make CdSe quantum dots sensitized zinc oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitized zinc oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 4.20%.
Embodiment 9
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) 100mg tributyl ethene tin is dissolved in 100ml ethylene glycol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the tin precursor solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the tin precursor solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains tin oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of tin oxide gel/carbon nano tube composite fibre, obtain the tin dioxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) the tin dioxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make CdSe quantum dots sensitization tin dioxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization tin dioxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.30%.
Embodiment 10
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) 300mg bis-acetylacetonate base dibutyl tin is dissolved in the 100ml butanone, and is 4 with the pH value of acetic acid regulation system, being configured to weight concentration is the tin precursor solution of 3.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the tin precursor solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains tin oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of tin oxide gel/carbon nano tube composite fibre, obtain the tin dioxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) the tin dioxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make CdSe quantum dots sensitization tin dioxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization tin dioxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.22%.
Embodiment 11
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 500mg dibutyltin diacetate is dissolved in 100ml acetone, and is 5 with the pH value of acetic acid regulation system, being configured to weight concentration is the tin precursor solution of 5.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the tin precursor solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains tin oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of tin oxide gel/carbon nano tube composite fibre, obtain the tin dioxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) the tin dioxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make CdSe quantum dots sensitization tin dioxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization tin dioxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.29%.
Embodiment 12
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 300Pa, and the time is 45min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make cadmium selenide quantum sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.56%.
Embodiment 13
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 500Pa, and the time is 60min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make cadmium selenide quantum sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 4.20%.
Embodiment 14
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 105min, and temperature is 375 ℃, oxygen: the mol ratio of argon gas is 1:6;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make cadmium selenide quantum sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.07%.
Embodiment 15
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 120min, and temperature is 300 ℃, oxygen: the mol ratio of argon gas is 1:8;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.1mg/ml, under the condition of normal temperature lucifuge, keep 12h, finally make cadmium selenide quantum sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.27%.
Embodiment 16
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.3mg/ml, under the condition of normal temperature lucifuge, keep 9h, finally make cadmium selenide quantum sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.30%.
Embodiment 17
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the CdSe quantum dots normal hexane solution of 0.5mg/ml, under the condition of normal temperature lucifuge, keep 6h, finally make cadmium selenide quantum sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (CdSe quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.51%.
Embodiment 18
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the ZnS quantum dots normal hexane solution of 0.3mg/ml, under the condition of normal temperature lucifuge, keep 9h, finally make zinc sulphide quantum sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (ZnS quantum dots sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.25%.
Embodiment 19
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the tellurium mercury quantum dot normal hexane solution of 0.5mg/ml, under the condition of normal temperature lucifuge, keep 6h, finally make tellurium mercury quantum sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (the quantum dot sensitized titanium oxide/carbon nano tube composite fibre of tellurium mercury is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.20%.
Embodiment 20
(1) to put into 50 ℃, weight percent concentration be that 50% aqueous sulfuric acid is processed 90min to the carbon nano-tube fibre that 3cm is long, after taking out with deionized water rinsing three times;
(2) the 100mg butyl titanate is dissolved in 100ml ethanol, and is 3 with the pH value of acetic acid regulation system, being configured to weight concentration is the titanium precursor liquid solution of 1.0mg/ml;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into the titanium precursor liquid solution that step (2) obtains, and carries out vacuum impregnation.Air pressure is 100Pa, and the time is 30min, after dipping finishes, product is taken out, and dry 12h obtains titanium oxide gel/carbon nano tube composite fibre under 100 ℃;
(4) by the heat treatment under the mixed atmosphere of oxygen/argon of titanium oxide gel/carbon nano tube composite fibre, obtain titanium oxide/carbon nano tube composite fibre.Wherein, heat treatment time is 90min, and temperature is 450 ℃, oxygen: the mol ratio of argon gas is 1:4;
(5) titanium oxide/carbon nano tube composite fibre being immersed to weight concentration is the zinc selenide quantum dot normal hexane solution of 0.5mg/ml, under the condition of normal temperature lucifuge, keep 6h, finally make zinc selenide quantum sensitization titanium oxide/carbon nano tube composite fibre solar battery photoanode;
(6) sodium sulfide solution take weight concentration as 80mg/ml is electrolyte, adopting three-electrode method (zinc selenide quantum dot sensitization titanium oxide/carbon nano tube composite fibre is that light anode, platinum filament are to be reference electrode to electrode, Ag/AgCl), is 100mWcm at irradiance
-2Simulated solar irradiation under test, the electricity conversion of fiber optic anode is 3.99%.
Above the present invention has been done to exemplary description; should be noted that; in the situation that do not break away from core of the present invention, the replacement that is equal to that any simple deformation, modification or other those skilled in the art can not spend creative work all falls into protection scope of the present invention.
Claims (5)
1. the preparation method of quantum-dot sensitized oxide/carbon nano tube composite fibre solar battery photoanode, is characterized in that, according to following step, carries out:
(1) acid solution that carbon nano-tube fibre is placed in to temperature 50-80 ℃ is processed 60-90min, after taking out, uses deionized water rinsing; Described acid solution is the aqueous solution of sulfuric acid, nitric acid or hydrochloric acid, and the weight percent concentration of acid solution is 50-80%;
(2) metallo-organic compound of a certain amount of titaniferous, zinc or tin is dissolved in to organic solvent, and, with the pH value of acetic acid regulation system, is configured to precursor solution;
(3) the acid treatment carbon nano-tube fibre that step (1) is obtained is put into precursor solution prepared by step (2) and is carried out vacuum impregnation, and air pressure is 100-500Pa, and the time is 30-60min; After dipping finishes, product is taken out, obtain after drying oxide gel/carbon nano tube composite fibre;
(4) the oxide gel/carbon nano tube composite fibre heat treatment under the mixed atmosphere of oxygen/argon that prepared by step (3), obtain oxide/carbon nanotube composite fibre;
(5) the oxide/carbon nanotube composite fibre that prepared by step (4) immerses in the hexane solution of certain density quantum dot light sensitizer, under the condition of normal temperature lucifuge, keep a period of time, finally make quantum-dot sensitized oxide/carbon nano tube composite fibre solar battery photoanode.
2. preparation method claimed in claim 1, described in wherein said step (2), the metallo-organic compound of titaniferous, zinc or tin is: tetraethyl titanate, butyl titanate, isopropyl titanate, isopropyl titanate, titanium acetylacetone, zinc acetate, zinc stearate, zinc methide, zinc acetylacetonate, PZ, tributyl ethene tin, hexamethyl ethyl tin, four vinyl tins, dibutyltin diacetate or bis-acetylacetonate base dibutyl tin; Described organic solvent is methyl alcohol, ethanol, ethylene glycol, propyl alcohol, isopropyl alcohol, butanols, acetone, butanone, acetylacetone,2,4-pentanedione or the methylisobutylketone that is in a liquid state under normal temperature; In described precursor solution, metal-organic weight concentration is 1.0-5.0mg/ml; The pH value of described precursor solution is 3-5.
3. preparation method claimed in claim 1, in wherein said step (3), vacuum-impregnated air pressure is 100-500Pa, the time is 30-60min.
4. preparation method claimed in claim 1, in wherein said step (4), the heat treatment in the mixed atmosphere of oxygen/argon of oxide gel/carbon nano tube composite fibre, the time is 90-120min, temperature is 300-450 ℃, oxygen: the mol ratio of argon gas is 1:4-8.
5. in preparation method claimed in claim 1, wherein said step (5), the quantum dot light sensitizer is: cadmiumsulfide quantum dot, CdSe quantum dots, cadmium telluride quantum dot, ZnS quantum dots, zinc selenide quantum dot, zinc telluride quantum dot, mercuric sulphide quantum dot, mercury selenide quantum dot or tellurium mercury quantum dot; In described quantum dot light sensitizer solution, the weight concentration of quantum dot is 0.1-0.5mg/ml, and dip time is 6-12h.
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| CN107591248B (en) * | 2017-08-04 | 2019-03-12 | 天津师范大学 | Quantum dot-graphene-carbon nano-tube film composite and flexible solar battery photoanode and preparation method thereof |
| CN110364361A (en) * | 2018-04-09 | 2019-10-22 | 天津师范大学 | A kind of quantum dot sensitized solar cell and preparation method thereof with graphite phase carbon nitride boundary layer |
| US10984959B1 (en) | 2020-04-13 | 2021-04-20 | United Arab Emirates University | Quantum dot-sensitized solar cell and method of making the same |
| CN111640875A (en) * | 2020-05-15 | 2020-09-08 | 中国地质大学（武汉） | Mixed type photoelectric transistor constructed by poly (3-hexylthiophene) and mercury telluride quantum dots, and preparation method and application thereof |
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