CN208078029U - A kind of multichannel lamination organic photodetector - Google Patents
A kind of multichannel lamination organic photodetector Download PDFInfo
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- CN208078029U CN208078029U CN201820566848.4U CN201820566848U CN208078029U CN 208078029 U CN208078029 U CN 208078029U CN 201820566848 U CN201820566848 U CN 201820566848U CN 208078029 U CN208078029 U CN 208078029U
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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
- 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
- Y02E10/549—Organic PV cells
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Abstract
A kind of multichannel lamination organic photodetector is made of the identical basal layer of multiple structures by way of superposition.Wherein each basal layer includes two sets independent organic working linings, connects two sets of independent organic working linings and in interface formation electric double layer to generate the ionic liquid of displacement current and as the aluminium (Al) and tin indium oxide (ITO) of electrode.Each basal layer has two kinds of operating modes of single channel or binary channels：Under single channel operating mode, two sets of independent organic working linings will use identical material in layer, be only detected to the optical signal of a wavelength or a wave band, and external circuit passes through the amplification in parallel for realizing photoelectric current；Under binary channels operating mode, two sets of independent organic working linings are respectively adopted to the material that two Different lightwaves are long or Different lightwave section is sensitive in layer, discrete detection while to realize dual wavelength or two waveband optical signal.By the superposition of basal layer, multichannel is set up, realizes the multispectral detection of detector.
Description
Technical field
It is a kind of directly to carry out multispectral detection the utility model is related to field of photodetectors, that is, utilize multichannel pair
The optical signal of multiple and different wavelength or different-waveband carries out the organic photodetector of discrete detection simultaneously in luminous energy.
Background technology
Organic photodetector is a kind of using organic matter as the photocell of opto-electronic conversion operation material.
Traditional organic photodetector can only detect the optical signal sensitive to its organic working lining at present, and organic work
Layer is often only sensitive to the optical signal of a certain wavelength or a certain wave band.Such as to realize to multiple and different wavelength or multiple and different waves
Discrete detection, that is, realize multispectral sensing, then using multiple organic photodetectors and must match simultaneously while section optical signal
It is detected with light-splitting device, overall structure size will be larger.
Also, in many cases, due to the limitation of photoelectric conversion efficiency and the efficiency of light energy utilization, single detector is obtained
The photo-signal taken is often smaller, is unfavorable for subsequent operation.
Invention content
For the utility model in order to overcome the shortcomings of existing organic photodetector, providing a kind of can directly carry out multispectral inspection
It surveys, i.e., discrete detection simultaneously, and the switching for passing through operating mode is carried out to the optical signal of multiple and different wavelength or different-waveband
It can realize the multichannel lamination organic photodetector of photoelectric current amplification function.
The multichannel lamination organic photodetector, it is characterised in that：The detector is by the identical base of multiple structures
Plinth layer is formed by way of superposition.Wherein each basal layer includes two sets of independent organic working linings, connects two sets independently
Organic working lining and form electric double layer in interface to generate the ionic liquid of displacement current and as the aluminium Al of electrode
With tin indium oxide ITO, the first probe unit and the second probe unit in basal layer are thus formed.Each basal layer has single-pass
The two kinds of operating modes in road or binary channels：Under single channel operating mode, two sets of independent organic working linings will use identical in layer
Material, only the optical signal of a wavelength or a wave band is detected, external circuit passes through the in parallel amplification for realizing photoelectric current；
Under binary channels operating mode, or Different lightwave long to two Different lightwaves is respectively adopted in two sets of independent organic working linings in layer
The sensitive material of section, discrete detection while to realize dual wavelength or two waveband optical signal.
The first probe unit in the basal layer includes attachment on a glass substrate as the ITO of the first positive electrode, the
The Al of one negative electrode, organic working lining and ionic liquid as groundwork substance.
The second probe unit in the basal layer includes attachment on a glass substrate as the ITO of the second positive electrode, the
The Al of two negative electrodes, organic working lining and ionic liquid as groundwork substance.
The first probe unit and the second probe unit in the basal layer is completely the same in structure and operation principle, phase
Mutual upside down each other.
The first probe unit of ionic liquid system and the second probe unit in the basal layer share.
By the way that the identical basal layer of these structures to be overlapped, multichannel independent of each other is set up, and make different bases
Organic working lining in layer responds the optical signal of different wavelength or wave band to realize the multispectral detection of detector.
The multichannel lamination organic photodetector provided by the utility model is by the identical basal layer of multiple structures
It is formed by way of superposition.Wherein each basal layer includes two sets of independent organic working linings, and two sets of connection is independent to be had
Machine working lining simultaneously forms electric double layer to generate the ionic liquid of displacement current and as the aluminium Al and oxygen of electrode in interface
Change indium tin ITO, thus forms the first probe unit and the second probe unit in basal layer.By by the identical base of these structures
Plinth layer is overlapped, and sets up multichannel independent of each other, and organic working lining in different basal layers is made to respond different wavelength
Or the optical signal of wave band is to realize the multispectral detection of detector.
Ionic liquid generates displacement electricity in the introducing of electrode and organic work interlayer to form electric double layer in interface
Stream realizes the transmission of interface photoelectric current, overcomes the low problem of organic matter carrier mobility, makes incident light that can need not irradiate
The overlapping region of upper and lower electrode can still generate photoelectric current.
Compared with prior art, the beneficial effects of the utility model：
Each basal layer has two kinds of operating modes of single channel or binary channels.
Under single channel operating mode, two sets of independent organic working linings will use identical material in layer, only to one
The optical signal of wavelength or a wave band is detected, and external circuit passes through the amplification in parallel for realizing photoelectric current.
Under binary channels operating mode, in layer two sets of independent organic working linings be respectively adopted it is long to two Different lightwaves or
The material of Different lightwave section sensitivity, discrete detection while to realize dual wavelength or two waveband optical signal.
By the way that the identical basal layer of these structures to be overlapped, multichannel independent of each other is set up, and make different bases
Organic working lining in layer responds the optical signal of different wavelength or wave band to realize the multispectral detection of detector.
The utility model can carry out discrete detection simultaneously to the optical signal of multiple and different wavelength or different-waveband in luminous energy
And have both photoelectric current amplification function.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of multichannel lamination organic photodetector basal layer of the utility model.
Fig. 2 is a kind of principle of first probe unit of multichannel lamination organic photodetector basal layer of the utility model
Figure.
Fig. 3 a are that a kind of single channel operating mode of multichannel lamination organic photodetector basal layer of the utility model shows
It is intended to, Fig. 3 b are the equivalent circuits of Fig. 3 a.
Fig. 4 a are that a kind of binary channels operating mode of multichannel lamination organic photodetector basal layer of the utility model shows
It is intended to, Fig. 4 b are the equivalent circuits of Fig. 4 a.
Fig. 5 is the structural representation after a kind of two basal layer superpositions of multichannel lamination organic photodetector of the utility model
Figure.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural schematic diagram of multichannel lamination organic photodetector basal layer of the utility model.Such as Fig. 1 institutes
A kind of multichannel lamination organic photodetector basal layer shown includes two sets of independent organic working linings, and two sets of connection is independent
Organic working lining and interface formed electric double layer to generate displacement current ionic liquid and as electrode aluminium Al and
Thus tin indium oxide ITO forms the first probe unit and the second probe unit in basal layer.
The multichannel lamination organic photodetector, it is characterised in that：The detector is by the identical base of multiple structures
Plinth layer is formed by way of superposition.Wherein each basal layer includes two sets of independent organic working linings, connects two sets independently
Organic working lining and form electric double layer in interface to generate the ionic liquid of displacement current and as the aluminium Al of electrode
With tin indium oxide ITO, the first probe unit and the second probe unit in basal layer are thus formed.Each basal layer has single-pass
The two kinds of operating modes in road or binary channels：Under single channel operating mode, two sets of independent organic working linings will use identical in layer
Material, only the optical signal of a wavelength or a wave band is detected, external circuit passes through the in parallel amplification for realizing photoelectric current；
Under binary channels operating mode, or Different lightwave long to two Different lightwaves is respectively adopted in two sets of independent organic working linings in layer
The sensitive material of section, discrete detection while to realize dual wavelength or two waveband optical signal.
The first probe unit in the basal layer includes attachment on a glass substrate as the ITO of the first positive electrode, the
The Al of one negative electrode, organic working lining and ionic liquid as groundwork substance.
The second probe unit in the basal layer includes attachment on a glass substrate as the ITO of the second positive electrode, the
The Al of two negative electrodes, organic working lining and ionic liquid as groundwork substance.
The first probe unit and the second probe unit in the basal layer is completely the same in structure and operation principle, phase
Mutual upside down each other.
The first probe unit of ionic liquid system and the second probe unit in the basal layer share.
By the way that the identical basal layer of these structures to be overlapped, multichannel independent of each other is set up, and make different bases
Organic working lining in layer responds the optical signal of different wavelength or wave band to realize the multispectral detection of detector.
A kind of operation principle of multichannel lamination organic photodetector of the utility model：
The first probe unit and its structure of the second probe unit in the basal layer is identical with operation principle, only puts
Seated position is different, i.e., mutual upside down each other.It is only illustrated by taking the first probe unit as an example herein, as shown in Fig. 2, incident
Light makes that separation of charge occurs in the organic working lining of the first probe unit, and hole migrates downward into, and electronics migrates upwards.Hole is to conduct
The form of electric current enters ITO electrode.Electron transfer to the interface of organic working lining and ionic liquid, under the action of potential from
Cation in sub- liquid will be moved to the interface in turn and electronically form electric double layer, and the formation of electric double layer will generate displacement electricity
It flows and completes transmission of the photoelectric current between organic working lining and ionic liquid.Anion will be in ionic liquid under the action of photoelectric current
The interface that aluminium electrode and ionic liquid are moved in body, hole under the action of potential in ITO electrode will be passed through external circuit
It is defeated and to form electric double layer in the interface of aluminium electrode and ionic liquid and anion in aluminium electrode, the interface electric double layer
Formed to generate and displacement current and complete transmission of the photoelectric current between ionic liquid and aluminium electrode, will be generated in external circuit at this time from
Electric current of the ITO electrode to aluminium electrode.When external circuit is closed, the size of current strength will be with incident optical signal intensity in external circuit
Change and changes.
It further illustrates, above-mentioned two probe unit is carried out at the same time work.
Two probe units in the multichannel lamination organic photodetector basal layer can respectively be equivalent to one
A photocell, basal layer have two kinds of operating modes of single channel or binary channels：Under single channel operating mode, two sets in basal layer
Independent organic working lining will use identical material, be only detected to the optical signal of a wavelength or a wave band, first
Probe unit and the second probe unit use parallel operation mode, external circuit at this time may be used by the amplification in parallel for realizing photoelectric current
Two photronic parallel connections are equivalent to, as shown in Figure 3；Under binary channels operating mode, two sets of independent organic works in basal layer
It is respectively adopted to the material that two Different lightwaves are long or Different lightwave section is sensitive, the first probe unit and the second probe unit as layer
Using discrete working method, discrete detection, can be equivalent to two at this time while to realize dual wavelength or two waveband optical signal
Discrete photocell, as shown in Figure 4.
By the way that the identical basal layer of these structures to be overlapped, multichannel independent of each other is set up, and make different bases
Organic working lining in layer responds the optical signal of different wavelength or wave band to realize the multispectral detection of detector.This practicality
It is novel to carry out discrete detection simultaneously to the optical signal of multiple and different wavelength or different-waveband in luminous energy, and pass through Working mould
The switching of formula can realize photoelectric current amplification function.
It further illustrates, each basal layer can realize that the photoelectric current in 1 (single channel) or 2 (binary channels) a channels is defeated
Go out, by the superposition to basal layer, can be led to according to design requirement, multiple combinations and difference to realize different working modes
A variety of outputs of road number.
Herein by taking the superposition of two basal layers as an example, as shown in figure 5, illustrating.When two basal layers are all in bilateral
, it can be achieved that the 4 channels output of two basal layers under road operating mode, you can while to 4 different wave lengths or 4 different-waveband light
Signal is detected；When two basal layers one are under single channel operating mode, another is under binary channels operating mode,
The 3 channels output of two basal layers can be achieved, you can while 3 different wave lengths or 3 different-waveband optical signals are detected,
The photoelectric current responsed to which is amplified by the basal layer being wherein operated under single；When two basal layers are all in list
, it can be achieved that the 2 channels output of two basal layers under channels operation pattern, you can while to 2 different wave lengths or 2 different-wavebands
Optical signal is detected, and the photoelectric current all responsed to which respectively is amplified by two basal layers at this time.
On the basis of two basal layers are superimposed, according to identical operation principle and mode, it can be achieved that three basal layers
Superposition, the superposition of four basal layers, until N number of basal layer superposition, to realize multispectral detection and its photoelectricity of detector
Flow enlarging function.
Content described in this specification embodiment is only enumerating for the way of realization conceived to utility model, this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, the scope of protection of the utility model also and
In those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (1)
1. multichannel lamination organic photodetector, it is characterised in that：The detector is passed through by the identical basal layer of multiple structures
The mode of superposition forms；Wherein each basal layer includes two sets of independent organic working linings, connects two sets of independent organic works
Make layer and forms electric double layer in interface to generate the ionic liquid of displacement current and as the aluminium Al and indium oxide of electrode
Thus tin ITO forms the first probe unit and the second probe unit in basal layer；Each basal layer has single channel or bilateral
Two kinds of road operating mode：Under single channel operating mode, two sets of independent organic working linings will use identical material in layer, only
The optical signal of one wavelength or a wave band is detected, external circuit passes through the amplification in parallel for realizing photoelectric current；In binary channels
Under operating mode, two sets of independent organic working linings are respectively adopted long to two Different lightwaves in layer or Different lightwave section is sensitive
Material, discrete detection while to realize dual wavelength or two waveband optical signal；
The first probe unit in the basal layer includes attachment on a glass substrate as the ITO of the first positive electrode, first negative
The Al of electrode, organic working lining and ionic liquid as groundwork substance；
The second probe unit in the basal layer includes attachment on a glass substrate as the ITO of the second positive electrode, second negative
The Al of electrode, organic working lining and ionic liquid as groundwork substance；
The first probe unit and the second probe unit in the basal layer is completely the same in structure and operation principle, mutually mutually
For upside down；
The first probe unit of ionic liquid system and the second probe unit in the basal layer share.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820566848.4U CN208078029U (en) | 2018-04-20 | 2018-04-20 | A kind of multichannel lamination organic photodetector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820566848.4U CN208078029U (en) | 2018-04-20 | 2018-04-20 | A kind of multichannel lamination organic photodetector |
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| Publication Number | Publication Date |
|---|---|
| CN208078029U true CN208078029U (en) | 2018-11-09 |
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| CN201820566848.4U Withdrawn - After Issue CN208078029U (en) | 2018-04-20 | 2018-04-20 | A kind of multichannel lamination organic photodetector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365107A (en) * | 2018-04-20 | 2018-08-03 | 浙江工业大学 | A kind of multichannel lamination organic photodetector |
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2018
- 2018-04-20 CN CN201820566848.4U patent/CN208078029U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365107A (en) * | 2018-04-20 | 2018-08-03 | 浙江工业大学 | A kind of multichannel lamination organic photodetector |
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Granted publication date: 20181109 Effective date of abandoning: 20191029 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181109 Effective date of abandoning: 20191029 |