CN105099358A - Solar fluorescent focusing power generation system of quantum dot doped type, and manufacturing method therefor - Google Patents
Solar fluorescent focusing power generation system of quantum dot doped type, and manufacturing method therefor Download PDFInfo
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
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Abstract
The invention belongs to the technical field of solar power generation, and discloses a solar fluorescent focusing power generation system of a quantum dot doped type, and a manufacturing method therefor. The system comprises a plane fluorescent optical waveguide and a solar cell, wherein the plane fluorescent optical waveguide is formed by the combination of a fluorescent material and a plane optical waveguide. The fluorescent material is a three (or more)-element inorganic quantum dot material, and the chemical composition of the fluorescent material is AInB2, wherein A is one or the combination of Cu and Ag, B is one or the combination of S, Se and Te. Through employing the environment-friendly type quantum dot fluorescent material which is good in optical stability and high in efficiency to be combined with the technology of plane optical waveguide and the solar cell, the novel system is constructed, is embedded in a curtain wall of a building group or at a top of a house, and achieves the integration of photovoltaic power generation and a building.
Description
Technical field
The invention belongs to solar energy generation technology field, relate to a kind of solar energy fluorescence concentrating generating system and manufacture method thereof, particularly relate to a kind of quantum dot-doped type solar energy fluorescence concentrating generating system and manufacture method thereof.
Background technology
Along with the excessive application of the natural resources such as worldwide coal, petroleum and natural gas, the discharge of a large amount of tail gas makes global climate warm rapidly, and environment goes from bad to worse.For the strategy and policy that response national energy-saving reduces discharging, China is just strengthening the exploitation dynamics to various regenerative resource, and solar energy becomes the focus development object in numerous regenerative resource because of good characteristics such as it is inexhaustible, environmental protection, low cost, facilities.
Although solar power generation is supported energetically and is promoted in national policy, but still there are some critical defects, namely due to the deficiency of this body structure of solar cell, as silica-based solar cell (SolarCells) needs specific angle of incidence of light, the cost of electricity-generating of amorphous silicon and organic thin film cells is too high, solar power generation can only be well used in specific, spacious space, and because the restriction of area of space is difficult to large-area applications in the city of highly dense, thus greatly limit the all-round popularization of solar power generation.Nowadays, the groups of building that to be formed with a large amount of unorganic glass or translucent organic material in modern metropolitan cities be curtain wall, if solar power system is embedded on architecture ensemble curtain wall or roof and realizes photovoltaic (PV) architecture-integral, not only can keep the original appearance of modern architecture and attractive in appearance, can also realize solar energy in large area generating, be the novel solar power generation system of a kind of great potential and economic benefit simultaneously.
In the city of building dense, the effect of adding fuel to the flames is played in the popularization appearing as solar power system of plate type solar concentrator, because of its significant spotlight effect, greatly improves the impact of angle of incidence of light on solar energy generating efficiency.Simultaneously, solar light irradiation face is transferred to flat-panel collectors surface from solar cell, a large amount of heat energy can effectively be shifted and be disperseed, thus greatly extends the useful life of solar cell and reduce the consumption of solar cell, indirectly reduces the constructions cost of solar power system.
However, current solar power system photoelectric conversion efficiency is still lower.This is because the condenser performance of existing concentrator is poor, solar light irradiation on concentrator after due to the absorption of light, the effect such as refraction and scattering, a large amount of sunlight effectively can not be converted to electric energy by losing and waste.Given this, the proposition of new type solar energy fluorescence condenser (LSC) effectively can improve condenser performance, thus improves the photoelectric conversion efficiency of solar power system.
So far, relevant to solar energy fluorescence condenser patent of invention also continues to bring out.CN101393941A patent document (application number 200810194449.0) proposes a kind of fluorescent flat optical waveguide solar cell photovoltaic power generation system, this invention constructs a kind of photovoltaic generating system of fluorescent flat optical waveguide solar cell, to reduce the cost of solar energy power generating, the solar cell of realization side size carrys out the illumination of receiving surface size, reaches equivalent spotlight effect; CN101951189A patent document (application number 201010256149.8) proposes a kind of large area fluorescence concentrating solar battery system, this invention is intended to solve the higher technical problem of solar cell power generation cost, feature makes the less light guide plate of light-emitting area in the specific region of the larger fluorescence condenser of light-receiving area, for solar cell provides spotlight effect; CN103117320A patent document (application number 201310025173.4) proposes a kind of optical waveguide fluorescence concentration structure based on cesium triiodide tin and preparation method thereof, this invention obtains optical waveguide fluorescence concentration structure by using the optical textures such as specular layer, interior pellicle layer and outer pellicle layer, thus obtains the novel solar battery of low cost and high light electricity transformation efficiency.
But in the invention technology of existing solar energy fluorescence condenser, still there is many limitation.In the selection of fluorescent material, common technique proposes to use organic dyestuff as fluorescent material, but organic dyestuff easily decomposes for a long time under the irradiation of sunlight, and light, thermal stability are poor and energy self-absorption loss is serious; Also technology is had to propose to use in inorganic-quantum-dot (QDs) cadmium sulfide, cadmium selenide, vulcanized lead or mercury cadmium telluride any one or its combination as fluorescent material, this kind of quanta point material is due to containing poisonous ions such as heavy metals, environmental pollution is serious, seriously limits its commercialization and promotes.
In addition, under also having technology to propose solar cell to be arranged on large area fluorescence sensitive surface is directly exposed to sunlight, owing to there being nearly 40% can be focused onto on solar cell without photoelectric infrared light in sunlight, cause solar cell to be in hot environment for a long time to work, add the aging action of high energy ultraviolet, cause solar cell greatly to shorten useful life; Meanwhile, the absorption light of solar cell itself and light tight characteristic, light can not penetrate solar cell and be injected architecture indoor by stop illumination, thus limits this application of cover electricity generation system on groups of building curtain wall or roof.
Summary of the invention
The object of this invention is to provide a kind of quantum dot fluorescence material by good light stability, efficient, environmental protection, combine with Planar Lightwave Circuit Technology and solar cell, construct a kind of photovoltaic generating system of novel planar fluorescence fiber waveguide concentrating solar battery, and this electricity generation system is embedded on groups of building curtain wall or roof, realize photovoltaic generation and architecture-integral.
For achieving the above object, the present invention by the following technical solutions:
A kind of quantum dot-doped type solar energy fluorescence concentrating generating system, comprise plane fluorescent fiber waveguide and solar cell, described plane fluorescent fiber waveguide is composited by fluorescent material and planar optical waveguide, and described fluorescent material is the above inorganic-quantum-dot material of ternary or ternary.
Further, the chemical composition of described fluorescent material is AInB
2, wherein, A is one in Cu, Ag or its combination, and B is one in S, Se, Te or its combination.
Further, outer layer covers one deck chemical composition of described fluorescent material is the compound of XY, wherein, and the X one that to be Zn, Y be in S, Se, Te or its combination.
Further, Stokes (Stokes) displacement of described fluorescent material is more than or equal to 50nm.
Further, the bulk optical structure of described planar optical waveguide to be upper and lower surface area be more than 10 times of its lateralarea.
Upper surface is air/fiber waveguide interface, solar light irradiation face; Lower surface is fiber waveguide/Air Interface, sunlight transmission plane.
Further, described planar optical waveguide is one in fan-shaped, circular, rectangle, polygon and irregular figure or its combination.
The outward appearance of planar optical waveguide presents variation.
Further, described planar optical waveguide is using macromolecular material as matrix.
Further, described macromolecular material is polymethyl methacrylate, Merlon or dimethyl silicone polymer.
Further, described plane fluorescent fiber waveguide is prepared by one of following three kinds of methods: entered in planar optical waveguide matrix by doping by fluorescent material and be compounded to form fluorescent plate, or by fluorescent material by printing, spin coating, spraying coating process on a planar lightwave circuit, lower surface formation fluorescence membrane, or by lamination, fluorescent material to be packaged in planar optical waveguide.
Further, described solar cell is the one in monocrystalline silicon, polysilicon, amorphous silicon membrane and organic polymer solar cell.
A kind of manufacture method of above-mentioned quantum dot-doped type solar energy fluorescence concentrating generating system, be specially: first adopt Polymer materialspreparation planar optical waveguide, then plane fluorescent fiber waveguide is prepared by one of following three kinds of methods: fluorescent material is compounded to form fluorescent plate by being doped in light inlet waveguide matrix, or by fluorescent material by printing, spin coating, spraying coating process on a planar lightwave circuit, lower surface formation fluorescence membrane, or by lamination, fluorescent material is packaged in planar optical waveguide; Again solar cell is installed on the side of plane fluorescent fiber waveguide, obtains quantum dot-doped type solar energy fluorescence concentrating generating system.
Operation principle of the present invention is: sunlight with arbitrarily angled incide planar optical waveguide after, by planar optical waveguide itself to the absorption of light and refraction, most sunlight enters in planar optical waveguide, and this part sunlight direction of propagation is all not identical, propagates respectively to surrounding.When wherein a part of light incides interface (lower surface) of fiber waveguide and air, because incidence angle is greater than cirtical angle of total reflection θ, wherein θ=sin
-1(1/n), n is fiber waveguide refractive index, in fiber waveguide inside, full emission phenomena can occur, through repeatedly complete launch after be finally transferred to fiber waveguide side and absorbed by solar cell; And another fraction incidence angle is less than to the light of critical angle, because refraction or transmission are transmitted out from fiber waveguide lower surface, enter architecture indoor and realize architecture indoor sun light lighting.The more important thing is, after fluorescent material in fiber waveguide absorbs short-wavelength light, by the light transfer characteristic of self, to launch the light of the long wavelength that effectively can be absorbed by solar cell to surrounding, this long wavelength light is transferred to side through repeatedly inner total reflection and is absorbed by solar cell.Structure like this plays absorption, transmission or launches, converges the multiple action of luminous energy, thus increases the photoelectric conversion efficiency of solar cell.
The present invention has following beneficial effect:
The fluorescent material that 1 the present invention selects efficiently, good stability and free of contamination novel inorganic quanta point material serve as solar energy fluorescence condenser, this fluorescent material has the optical characteristics such as the high and ultra broadband transmitting of suitable energy gap, the absorption coefficient of light, the lower energy photon of solar cell efficient absorption can not be converted to by the high-energy photon that solar cell effectively absorbs, increase solar cell unit are incident light subnumber, to improve the photoelectric conversion efficiency of solar cell; This fluorescent material is not containing noxious substance, environmentally safe, and the abundant raw materials of fluorescent material, inexpensive, and synthesis technique is simple, can accelerate the Industry Promotion of solar energy fluorescence, concentrating generating system.
2 plane fluorescent fiber waveguides of the present invention select high index of refraction, superior optical characteristics, transparency is good, physical and chemical performance stablize and easy-formation processing macromolecular material as matrix, by physics or chemical method, fluorescent material is become plane fluorescent optical waveguide structure with matrix produced with combination, thus realize the double-deck output effect of natural daylight and fluorescence, solar cell can be replaced to collect sunlight, and then pass to solar cell, solar cell face is avoided directly to be exposed to the sun under sunlight, slow down the aging of solar cell, be conducive to the useful life extending solar cell, meanwhile, for BIPV provides enough possibilities.
3 the present invention propose a kind of new type solar energy fluorescence condenser, using ternary or the above inorganic-quantum-dot material of ternary as fluorescence switching center, royal purple light in sunlight can be converted to ruddiness, can be good at overcoming the defects such as fluorescent material useful life is short, photo and thermal stability is poor, photoelectric conversion efficiency is low and environmental pollution is serious, accelerate to advance BIPV process.
Solar cell is mounted on the side of plane fluorescent fiber waveguide by 4 the present invention, and side attachment quantity at least side or four sides not etc., for absorbing light and then generating, not being saved the consumption of solar cell, being reduced photovoltaic generation cost.
5 solar energy fluorescence concentrating generating systems of the present invention, reduce the impact of photovoltaic generation by angle of light, can realize perfect fusion with the groups of building of modernization and densification.Plane fluorescent fiber waveguide replacement structure material is directly installed on the curtain wall of groups of building, window and roof, realize BIPV, not only can keep the artistry of modern architecture, under the prerequisite ensureing to a certain degree light transmission, a part of sunlight can also be converted to electric energy, realize the efficiency utilization of sunlight; Simultaneously, also can use as the auxiliary system of solar cell separately, significantly reduce the manufacturing cost of photovoltaic component system, the large area realizing photovoltaic generating system is practical, greatly promote the cost performance of photovoltaic generation, can increase substantial economic benefit for the exploitation of regenerative resource, be therefore the novel solar power generation system of a kind of great potential and economic benefit.
Accompanying drawing explanation
Fig. 1 is the characteristic light spectrogram of the fluorescent material of the embodiment of the present invention 1;
Fig. 2 is the complex method schematic diagram of fluorescent material of the present invention and planar optical waveguide;
Fig. 3 is the structural representation of quantum dot-doped type solar energy fluorescence concentrating generating system of the present invention;
Fig. 4 is the operation principle schematic diagram of solar energy fluorescence concentrating generating system of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further:
embodiment 1
Inorganic nano CuInS selected by fluorescent material
2(CIS) quantum dot, by the required CIS quantum dot of " one pot reaction method " synthesis, CIS quantum dot outer layer covers one deck ZnS, synthesized CIS quantum dot has the characteristic such as broadband royal purple light absorption, quantum yield height, the royal purple light of absorption can be converted into broadband blood orange light and launch.Synthesized CIS quantum dot is scattered in hexane solution stand-by, and as shown in Figure 1, a is absorption spectrum to its characteristic light spectrogram, and b is emission spectrum, and the wavelength difference between excitation wavelength and emission wavelength is greater than 180nm.
Adopt the mode of Methyl Methacrylate Bulk Polymerization to make planar optical waveguide, concrete polymerization process is:
Measure 20mL methyl methacrylate bulk solution in conical flask, take azodiisobutyronitrile white solid and join in methyl methacrylate bulk solution, the uniform stirring through magnetic stirring apparatus makes it all dissolve, and is mixed with the solution of 0.05wt%.
Appropriate CIS quantum dot-n-hexane mixed solution is added in methyl methacrylate and azodiisobutyronitrile mixed solution, again through being uniformly mixed, above-mentioned mixed solution is transferred in three neck round-bottomed flasks, carries out prepolymerization by heating water bath and condensing reflux.Heating water bath carries out with stepwise manner, namely at 60 DEG C of heating water bath 10min, then at 70 DEG C of heating water bath 10min, finally at 85 DEG C of heating water bath 20min.
Naturally cooled by mixed solution after prepolymerization, and be transferred in mould, leave standstill 10min, be positioned in insulating box more subsequently and be polymerized completely, thermostat temperature is 60 DEG C, and polymerization time is 24h, obtains fluorescent plate finally by the demoulding.The fluorescent plate of different size, different-thickness can be obtained through repeatedly above-mentioned polymerization.By fluorescent material and macromolecular material blending polymerization mode, realize quantum dot fluorescence material and mix completely with host material, ensure the even fluorescent characteristic of fluorescent plate, complex method is as shown in the c of Fig. 2.
Monocrystaline silicon solar cell is installed on the side of plane fluorescent fiber waveguide, side attachment quantity is four sides, and composition quantum dot doping type solar energy fluorescence concentrating generating system, as shown in Figure 3,1 is planar optical waveguide, and 2 is solar cell, and 3 is fluorescent material.Under being placed on solar energy analog light source, by the irradiation of analog light source, transform light energy is become electric energy, export to realize electric power.The light that solar cell receives not only comprises the part of analog light source own, also includes the fluorescence-emitting moiety of CIS quantum dot simultaneously, effectively improves the photoelectric conversion efficiency of solar cell.
Fig. 4 is the operation principle schematic diagram of solar energy fluorescence concentrating generating system, and wherein 4 is incident light, and 5 is absorb and reflect the light entering fiber waveguide inside, and 6 is total reflection light, and 7 for transmiting the light of fiber waveguide, and 8 is the fluorescence of fluorescent material.
embodiment 2
Inorganic nano AgInSe selected by fluorescent material
2quantum dot, by the required AgInSe of " one pot reaction method " synthesis
2quantum dot, AgInSe
2quantum dot outer layer covers one deck ZnSe, synthesized AgInSe
2quantum dot has the characteristic such as broadband royal purple light absorption, quantum yield height, and the royal purple light of absorption can be converted into broadband blood orange light launches, synthesized AgInSe
2quantum dot is scattered in hexane solution stand-by.
Polymethyl methacrylate solid particle and fluorescent material powder is adopted to make plane fluorescent fiber waveguide through physical mixed, high temperature briquetting process.Detailed process is: fluorescent material is made powder, take appropriate polymethyl methacrylate solid particle and Powdered fluorescent material, by physical blending method by its Homogeneous phase mixing, be then transferred in pressing special purpose die, through the compressing formation fluorescent plate of high temperature.Repeat said process, be finally pressed into rectangle fluorescent plate that is of all sizes, variable thickness.By preparing fluorescent plate with matrix granule physical blending mode, easily ensure the chemical stability of quantum dot fluorescent material, matrix compounds is not easy the microstructure destroying quantum dot, ensures the high effective optical characteristic of fluorescent material.
Polysilicon solar cell is installed on the side of plane fluorescent fiber waveguide, side attachment quantity is both sides, composition quantum dot doping type solar energy fluorescence concentrating generating system, this electricity generation system is embedded on groups of building curtain wall or roof, realizes photovoltaic generation and architecture-integral.
embodiment 3
Inorganic nano CuInTe selected by fluorescent material
2quantum dot, by the required CuInTe of " one pot reaction method " synthesis
2quantum dot, CuInTe
2quantum dot outer layer covers one deck ZnTe, synthesized CuInTe
2quantum dot has the characteristic such as broadband royal purple light absorption, quantum yield height, and the royal purple light of absorption can be converted into broadband blood orange light launches, synthesized CuInTe
2quantum dot is scattered in hexane solution stand-by.
Planar optical waveguide is using Merlon as matrix, the upper and lower surface area of planar optical waveguide is 10 times of its lateralarea, by fluorescent material by spraying coating process on a planar lightwave circuit, lower surface formed fluorescence membrane, complex method, as shown in the d of Fig. 2, obtains plane fluorescent fiber waveguide.Detailed process is: be dispersed in by fluorescent material in polycarbonate prepolymer thing and make even sticky shape solution, and by above-mentioned solution by spraying technology jet deposition to surface through pretreated Merlon block material, upper thus formation fluoresent coating.Speed and the coating layer thickness of spraying can be controlled according to actual needs.
Amorphous silicon thin-film solar cell is installed on the side of plane fluorescent fiber waveguide, side attachment quantity is three sides, composition quantum dot doping type solar energy fluorescence concentrating generating system.
embodiment 4
Inorganic nano AgInS selected by fluorescent material
2quantum dot, by the required AgInS of " one pot reaction method " synthesis
2quantum dot, AgInS
2quantum dot outer layer covers one deck ZnS, synthesized AgInS
2quantum dot has the characteristic such as broadband royal purple light absorption, quantum yield height, and the royal purple light of absorption can be converted into broadband blood orange light launches, synthesized AgInS
2quantum dot is scattered in hexane solution stand-by.
Planar optical waveguide is using dimethyl silicone polymer as matrix, the upper and lower surface area of planar optical waveguide is 15 times of its lateralarea, be packaged in planar optical waveguide by lamination by fluorescent material, complex method, as shown in the e of Fig. 2, obtains plane fluorescent fiber waveguide.Detailed process is: to be first dispersed in by fluorescent material in a small amount of dimethyl siloxane prepolymer and to add a small amount of crosslinking agent, made by spin coating that to have certain thickness film stand-by, be among dimethyl silicone polymer block materials by above-mentioned film-clamp at two pieces of same thickness, composition again, then carry out hot-forming, the technological parameters such as heating rate, temperature and pressure can be controlled according to actual needs.
Organic polymer solar cell is installed on the side of plane fluorescent fiber waveguide, side attachment quantity is one-sided, composition quantum dot doping type solar energy fluorescence concentrating generating system.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly belong to those skilled in the art in the technical scope that the present invention discloses, the change that can expect easily or replacement, the such as replacing of planar optical waveguide material, is replaced by by polymethyl methacrylate the high molecular polymer that other have similar performance; Or fluorescent material is modified a little, as the replacing of quantum dot surface part, be all as good as with technical conceive of the present invention and goal of the invention, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. a quantum dot-doped type solar energy fluorescence concentrating generating system, it is characterized in that, comprise plane fluorescent fiber waveguide and solar cell, described plane fluorescent fiber waveguide is composited by fluorescent material and planar optical waveguide, and described fluorescent material is the above inorganic-quantum-dot material of ternary or ternary.
2. quantum dot-doped type solar energy fluorescence concentrating generating system according to claim 1, it is characterized in that, the chemical composition of described fluorescent material is AInB
2, wherein, A is one in Cu, Ag or its combination, and B is one in S, Se, Te or its combination.
3. quantum dot-doped type solar energy fluorescence concentrating generating system according to claim 1, it is characterized in that, outer layer covers one deck chemical composition of described fluorescent material is the compound of XY, wherein, the X one that to be Zn, Y be in S, Se, Te or its combination.
4. quantum dot-doped type solar energy fluorescence concentrating generating system according to claim 1, it is characterized in that, the Stokes shift of described fluorescent material is more than or equal to 50nm.
5. quantum dot-doped type solar energy fluorescence concentrating generating system according to claim 1, is characterized in that, the bulk optical structure of described planar optical waveguide to be upper and lower surface area be more than 10 times of its lateralarea.
6. quantum dot-doped type solar energy fluorescence concentrating generating system according to claim 1, is characterized in that, described planar optical waveguide is one in fan-shaped, circular, rectangle, polygon and irregular figure or its combination.
7. quantum dot-doped type solar energy fluorescence concentrating generating system according to claim 1, it is characterized in that, described planar optical waveguide is using macromolecular material as matrix.
8. quantum dot-doped type solar energy fluorescence concentrating generating system according to claim 1, it is characterized in that, described plane fluorescent fiber waveguide is prepared by one of following three kinds of methods: entered in planar optical waveguide matrix by doping by fluorescent material and be compounded to form fluorescent plate, or by fluorescent material by printing, spin coating, spraying coating process on a planar lightwave circuit, lower surface formation fluorescence membrane, or by lamination, fluorescent material to be packaged in planar optical waveguide.
9. quantum dot-doped type solar energy fluorescence concentrating generating system according to claim 1, it is characterized in that, described solar cell is the one in monocrystalline silicon, polysilicon, amorphous silicon membrane and organic polymer solar cell.
10. the manufacture method of a quantum dot-doped type solar energy fluorescence concentrating generating system according to claim 1, it is characterized in that, first adopt Polymer materialspreparation planar optical waveguide, then plane fluorescent fiber waveguide is prepared by one of following three kinds of methods: fluorescent material is compounded to form fluorescent plate by being doped in light inlet waveguide matrix, or by fluorescent material by printing, spin coating, spraying coating process on a planar lightwave circuit, lower surface formation fluorescence membrane, or by lamination, fluorescent material is packaged in planar optical waveguide; Again solar cell is installed on the side of plane fluorescent fiber waveguide, obtains quantum dot-doped type solar energy fluorescence concentrating generating system.
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