CN110194481A - A kind of Bi2OS2The corrugated ZnO nano-rod array of deposition and preparation and application - Google Patents

A kind of Bi2OS2The corrugated ZnO nano-rod array of deposition and preparation and application Download PDF

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CN110194481A
CN110194481A CN201910440037.9A CN201910440037A CN110194481A CN 110194481 A CN110194481 A CN 110194481A CN 201910440037 A CN201910440037 A CN 201910440037A CN 110194481 A CN110194481 A CN 110194481A
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corrugated
deposition
zno
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zno nano
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CN110194481B (en
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於黄忠
巫祖萍
黄承稳
陈金雲
侯春利
王键鸣
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South China University of Technology SCUT
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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Abstract

The invention belongs to area of solar cell, disclose a kind of Bi2OS2The corrugated ZnO nano-rod array of deposition and preparation and application.By Zn (COOH)2Ethanol solution be spin-coated on ITO substrate surface, be warming up to 200~300 DEG C and made annealing treatment, obtain corrugated ZnO seed layer, be then immersed in Zn (NO3)2·6H2In the aqueous solution of O and hexa, growing nano-rod at a temperature of 85~95 DEG C obtains the ITO substrate that load has ZnO nano-rod array after cleaning-drying；By Bi2OS2Powder ultrasonic is dispersed in water, then by Bi2OS2Dispersant liquid drop is added on ZnO nano-rod array and is deposited, and is cleaned and dried, obtains product.Bi of the invention2OS2The corrugated ZnO nano-rod array of deposition can be used as the electron transfer layer of organic solar batteries, and finally improve the short circuit current and photoelectric conversion efficiency of organic solar batteries.

Description

A kind of Bi2OS2The corrugated ZnO nano-rod array of deposition and preparation and application
Technical field
The invention belongs to area of solar cell, and in particular to a kind of Bi2OS2The corrugated ZnO nano-rod array of deposition and Preparation and application.
Background technique
Nano zine oxide has a variety of different forms, including zinc oxide nanowire, zinc-oxide nano tree, zinc-oxide nano Stick etc., and three-dimensional corrugated nanometic zinc oxide rod array can increase the contact area of electron transfer layer and active layer, to make The electronics of active layer is effectively collected in upside-down mounting polymer solar battery.In addition, the light of corrugated nanometic zinc oxide rod array is inhaled It is received in ultraviolet region, by blocking the UV light-induced light degradation of organic material, the steady of polymer solar battery can be enhanced It is qualitative.
Research shows that the zinc oxide nano rod of hydro-thermal method synthesis is primarily present surface defect, so that electron hole lacks on surface Sunken recombination rate greatly improves, therefore ideal value is not achieved in electron mobility；In addition, the presence of defect also will affect device performance Stablize.In recent years, nontoxic, superelevation mobility stratiform bismuth compound causes the extensive concern of people, wherein two sulphur of bismuth oxygen (Bi2OS2) not only there is direct optical transition, but also there is good electronic property.Bi2OS2Crystal structure by [BiS2]- Layer and [Bi2O2]2+Layer composition, therefore Bi2OS2It is the narrow bandgap semiconductor material of a wide light absorption range, band gap is about 1eV.
Polymer solar battery is sandwich structure, including cathode substrate ITO, electron transfer layer, active layer, hole biography Defeated layer and anode metal.It is to reduce by introducing one layer of zinc oxide electron transfer layer between cathode and organic active layer Loss of the charge between ITO and organic active layer, the introducing major function of this interface engineering have: 1. induction interface charge weights New distribution, realizes the modulation of interfacial characteristics between organic active layer and electrode；2. script exists between active layer and electrode Interface potential barrier is made up by the introducing of boundary layer；3. the use of boundary layer can improve the roughening of ITO substrate to avoid living Property layer be in direct contact with the electrode, improve electrode charge-trapping, reduce leakage current；4. boundary material can also hinder water oxygen to device The damage of part improves the stability of PSCs device；5. some boundary layers also enhance absorption of the device to light, especially can - the light absorption of near infrared range is seen, to adjust internal optical field strength and its distribution situation.
Summary of the invention
Based on the above prior art, the primary purpose of the present invention is that providing a kind of Bi2OS2The corrugated ZnO of deposition receives The preparation method of rice stick array.
Another object of the present invention is to provide a kind of Bi being prepared by the above method2OS2The corrugated of deposition ZnO nano-rod array.
A further object of the present invention is to provide above-mentioned Bi2OS2The corrugated ZnO nano-rod array of deposition is passed as electronics Application of the defeated layer in organic solar batteries.
The object of the invention is achieved through the following technical solutions:
A kind of Bi2OS2The preparation method of the corrugated ZnO nano-rod array of deposition, including following preparation step:
(1) by Zn (COOH)2Ethanol solution be spin-coated on ITO substrate surface, then heat to 200~300 DEG C and moved back Fire processing, obtains corrugated ZnO seed layer；
(2) by Zn (NO3)2·6H2O and hexa composition growth-promoting media soluble in water will contain obtained by step (1) The ITO substrate level of corrugated ZnO seed layer is immersed in growth-promoting media, growing nano-rod at a temperature of 85~95 DEG C, after taking-up Cleaning, it is dry, obtain the ITO substrate that load has ZnO nano-rod array；
(3) by Bi2OS2Powder mull and ultrasonic disperse Yu Shuizhong, obtain Bi2OS2Dispersion liquid, then by Bi2OS2Dispersion Drop is added on the ZnO nano-rod array of step (2) and is deposited, and dehydrated alcohol rinses, dry, obtains Bi2OS2The wave of deposition Line shape ZnO nano-rod array.
Preferably, the rate of heating described in step (1) is 5~10 DEG C/min.
Preferably, corrugated ZnO seed layer described in step (1) with a thickness of 15~25nm.
Preferably, the time of growing nano-rod described in step (2) is 45~60min.
Preferably, the length of ZnO nanorod described in step (2) is 50~200nm.
Preferably, Bi described in step (3)2OS2The mass concentration of dispersion liquid be 1%~5%, particle size be 10~ 100nm。
Preferably, the time of deposition described in step (3) is 20~40s.
A kind of Bi2OS2The corrugated ZnO nano-rod array of deposition, is prepared by the above method.
Above-mentioned Bi2OS2The corrugated ZnO nano-rod array of deposition is as electron transfer layer in organic solar batteries Using.
Further, the organic solar batteries include cathode substrate, electron transfer layer, active layer, hole transmission layer And anode layer, the electron transport layer materials are Bi2OS2The corrugated ZnO nano-rod array of deposition.
Further, the cathode substrate is selected from indium tin oxide glass (ITO), and the active layer material is PTB7: PCBM (bis- [(2- ethylhexyl) oxygroup]-benzo [1,2-B:4,5-B'] Dithiophenes of bromo- 4, the 8- of poly- 2,6- bis-: [6,6]-benzene Base-C71- methyl butyrate), with a thickness of 150~200nm, the hole transport layer material is MoO3, described with a thickness of 5~10nm Anode layer material is silver, with a thickness of 85~95nm.
Preparation method of the invention and obtained product have the following advantages that and the utility model has the advantages that
Bi of the invention2OS2The corrugated ZnO nano-rod array of deposition can be used as electron transfer layer applied to organic sun Energy battery, by the Bi for depositing high conductivity, preferable light absorptive in electron transfer layer2OS2Device performance is promoted to realize Purpose.Firstly, the contact area between corrugated ZnO and active layer is larger, exciton transfer efficiency can be promoted；Secondly Bi2OS2 Powder conductivity with higher improves ZnO while can effectively promoting the charge transfer efficiency of organic solar batteries The defect on surface reduces defect to the capture of exciton and reduces the compound of electron hole pair；Finally deposit Bi2OS2Corrugated afterwards The crystallinity of active layer can be improved in ZnO nano-rod array, to improve its photon absorbing intensity, finally improves organic solar batteries Short circuit current and photoelectric conversion efficiency.
Detailed description of the invention
Fig. 1 is that the corrugated ZnO nano-rod array electronics of the deposition of Bi2OS2 obtained by step (3) in the embodiment of the present invention 1 passes The sectional view (a) and plan view (b) of defeated layer.
Fig. 2 is Bi obtained by step (4) in the embodiment of the present invention 12OS2The active layer of the corrugated ZnO nano-rod array of deposition (curve 2, structure are as follows: ITO/ZnO:Bi2OS2/ PTB7:PCBM) and Bi is not deposited2OS2Pure corrugated ZnO nano-rod array The X-ray diffractogram of active layer (curve 1, structure are as follows: ITO/ZnO/PTB7:PCBM).
Fig. 3 is for the final gained organic solar batteries of the embodiment of the present invention 1 and not deposit Bi2OS2Pure corrugated ZnO Nanometer stick array as electron transfer layer organic solar batteries as the current density that compares and voltage curve figure.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Embodiment 1
A kind of Bi of the present embodiment2OS2The corrugated ZnO nano-rod array of deposition and organic solar prepared therefrom electricity Pond.Specific preparation process is as follows:
(1) successively by ITO substrate dish washing liquid, deionized water, titanium tetrachloride aqueous solution, acetone, dehydrated alcohol, isopropanol Each ultrasonic cleaning 10 minutes；Then it is dried in 80 DEG C of vacuum ovens.10 are carried out to the ITO substrate surface of the cleaning, drying The Surface Treatment with Plasma of minute cleans ITO remained on surface organic matter and improves its work function.
(2) in the processed surface the ITO spin coating corrugated ZnO seed layer of step (1), the seed layer is 15-25nm wave Line shape ZnO particle, the specific steps are as follows: by Zn (COOH)2Ethanol solution be spin-coated on the processed cathode ITO base of step (1) On bottom surface, revolution 3500rpm, time 40s；The complete cathode ITO substrate of spin coating is made annealing treatment, in room temperature with 10 DEG C/to be warming up to temperature be 280 DEG C for the rate of min, and it is constant handled 1 hour at 280 DEG C, be prepared with a thickness of 15-25nm's Corrugated ZnO seed layer.
(3) by growing ZnO nanorod on step (2) processed corrugated ZnO seed layer and Bi is being deposited2OS2, tool Steps are as follows for body: first by Zn (NO3)2·6H2O and hexa are dissolved in 200ml deionized water and constitute growth-promoting media, will walk Suddenly (2) growth has the ITO substrate of corrugated ZnO seed layer horizontal immersion growth 50min in growth-promoting media under the conditions of 90 DEG C.It takes Unattached nanometer rods are washed with deionized water after out, dry in an oven, it is 50-200nm that load, which has length, in substrate at this time ZnO nanorod.Then by 10mg Bi2OS2Powder mull is simultaneously dispersed in 1ml deionized water, by above-mentioned mixed liquor ultrasound point It dissipates, is filtered later with 0.22 μm of organic filter, 1wt.%Bi is prepared2OS2Solution；By 1%Bi2OS2Solution is added dropwise dry It is dry it is good after corrugated ZnO nanorod on, after depositing 30s, dehydrated alcohol is put into oven drying after cleaning, and obtains Bi2OS2Deposition Corrugated ZnO nano-rod array, as electron transfer layer.
(4) in above-mentioned electron-transport layer surface spin coating active layer solution, revolving speed 1000rpm, time 40s；The work Property layer be blended by PTB7:PCBM, active layer thickness is 150-200nm or so；Vacuum is put after the completion of the active layer spin coating It sets 2~3 hours.
(5) hole transmission layer MoO is deposited in above-mentioned active layer surface3, with a thickness of 5-10nm.
(6) in above-mentioned hole transport layer surface vapor deposition anode layer silver, with a thickness of 85-95nm, obtain the present embodiment has Machine solar battery.
Bi obtained by the present embodiment step (3)2OS2The sectional view of the corrugated ZnO nano-rod array electron transfer layer of deposition (a) and plan view (b) is as shown in Figure 1.
Fig. 2 is Bi obtained by the present embodiment step (4)2OS2Active layer (the structure of the corrugated ZnO nano-rod array of deposition Are as follows: ITO/ZnO:Bi2OS2/ PTB7:PCBM) and Bi is not deposited2OS2Pure corrugated ZnO nanometer stick array active layer (knot Structure are as follows: ITO/ZnO/PTB7:PCBM) X-ray diffractogram.Wherein curve 1 is the X-ray diffraction of ITO/ZnO/PTB7:PCBM Figure, curve 2 are ITO/ZnO:Bi2OS2The X-ray diffractogram of/PTB7:PCBM；From attached drawing 2 it can be seen that pure corrugated zinc oxide The active layer and deposition 1%Bi of nanometer rods2OS2The active layer of corrugated zinc oxide nano rod afterwards have one at 21.6 degree Peak, and Bi2OS2After deposition, the intensity at the peak is significantly increased.This illustrates to deposit Bi2OS2Active layer can be effectively improved later Crystallinity, to improve short-circuit current density.
Fig. 3 is for the final gained organic solar batteries of the present embodiment and not deposit Bi2OS2Pure corrugated ZnO nanorod Array as electron transfer layer organic solar batteries as the current density that compares and voltage curve figure.Wherein curve 1 is not deposit Bi2OS2Organic solar batteries (structure are as follows: ITO/ZnO/PTB7:PCBM/MoO3/ Ag) current density with Voltage curve, curve 2 are that the electron transfer layer of the present embodiment is deposition Bi2OS2Corrugated zinc oxide nano rod afterwards it is organic too Positive energy battery (structure are as follows: ITO/ZnO:Bi2OS2/PTB7:PCBM/MoO3/ Ag) current density and voltage curve；From attached drawing 3 It can be seen that not depositing Bi2OS2Its open-circuit voltage (Voc) of organic solar batteries be 0.71V, short-circuit current density (Jsc) is 12.31mA/cm2；And the present embodiment deposits Bi2OS2Its open-circuit voltage (Voc) of organic solar batteries be 0.75V, short circuit electricity Current density (Jsc) is 14.56mA/cm2.This illustrates to deposit Bi2OS2Separation of charge and broadening light absorption range can be effectively improved later, To improve short-circuit current density；Improve ZnO surface defect simultaneously, improves device open-circuit voltage.The present embodiment deposits Bi2OS2 Organic solar batteries and do not deposit Bi2OS2Organic solar batteries photoelectric properties it is more as shown in table 1.
Table 1
As can be found from Table 1, compared to not depositing Bi2OS2Organic solar batteries, the short-circuit current density of the present embodiment (Jsc) from 12.31mA/cm2Promote 14.56mA/cm2, fill factor (FF) promotes from 59.66% to 64.12%, this explanation Deposition Bi2OS2Later organic solar batteries its light absorbing abilities, exciton dissociation efficiency and carrier mobility are all It effectively improves, so that solar cell photoelectric transfer efficiency be made to improve significantly to 7.00% from 5.21%.
Embodiment 2
A kind of Bi of the present embodiment2OS2The corrugated ZnO nano-rod array of deposition and organic solar prepared therefrom electricity Pond.Specific preparation process is as follows:
(1) successively by ITO substrate dish washing liquid, deionized water, titanium tetrachloride aqueous solution, acetone, dehydrated alcohol, isopropanol Each ultrasonic cleaning 10 minutes；Then it is dried in 80 DEG C of vacuum ovens.10 are carried out to the ITO substrate surface of the cleaning, drying The Surface Treatment with Plasma of minute cleans ITO remained on surface organic matter and improves its work function.
(2) in the processed surface the ITO spin coating corrugated ZnO seed layer of step (1), the seed layer is 15-25nm wave Line shape ZnO particle, the specific steps are as follows: by Zn (COOH)2Ethanol solution be spin-coated on the processed cathode ITO base of step (1) On bottom surface, revolution 3500rpm, time 40s；The complete cathode ITO substrate of spin coating is made annealing treatment, in room temperature with 10 DEG C/to be warming up to temperature be 280 DEG C for the rate of min, and it is constant handled 1 hour at 280 DEG C, be prepared with a thickness of 15-25nm's Corrugated ZnO seed layer.
(3) by growing ZnO nanorod on step (2) processed corrugated ZnO seed layer and Bi is being deposited2OS2, tool Steps are as follows for body: first by Zn (NO3)2·6H2O and hexa are dissolved in 200ml deionized water and constitute growth-promoting media, will walk Suddenly (2) growth has the ITO substrate of corrugated ZnO seed layer horizontal immersion growth 50min in growth-promoting media under the conditions of 90 DEG C.It takes Unattached nanometer rods are washed with deionized water after out, dry in an oven, it is 50-200nm that load, which has length, in substrate at this time ZnO nanorod.Then by 20mg Bi2OS2Powder mull is simultaneously dispersed in 1ml deionized water, by above-mentioned mixed liquor ultrasound point It dissipates, is filtered later with 0.22 μm of organic filter, 2wt.%Bi is prepared2OS2Solution；By 2%Bi2OS2Solution is added dropwise dry It is dry it is good after corrugated ZnO nanorod on, after depositing 30s, dehydrated alcohol is put into oven drying after cleaning, and obtains Bi2OS2Deposition Corrugated ZnO nano-rod array, as electron transfer layer.
(4) in above-mentioned electron-transport layer surface spin coating active layer solution, revolving speed 1000rpm, time 40s；The work Property layer be blended by PTB7:PCBM, active layer thickness is 150-200nm or so；Vacuum is put after the completion of the active layer spin coating It sets 2~3 hours.
(5) hole transmission layer MoO is deposited in above-mentioned active layer surface3, with a thickness of 5-10nm.
(6) in above-mentioned hole transport layer surface vapor deposition anode layer silver, with a thickness of 85-95nm, obtain the present embodiment has Machine solar battery.
Embodiment 3
A kind of Bi of the present embodiment2OS2The corrugated ZnO nano-rod array of deposition and organic solar prepared therefrom electricity Pond.Specific preparation process is as follows:
(1) successively by ITO substrate dish washing liquid, deionized water, titanium tetrachloride aqueous solution, acetone, dehydrated alcohol, isopropanol Each ultrasonic cleaning 10 minutes；Then it is dried in 80 DEG C of vacuum ovens.10 are carried out to the ITO substrate surface of the cleaning, drying The Surface Treatment with Plasma of minute cleans ITO remained on surface organic matter and improves its work function.
(2) in the processed surface the ITO spin coating corrugated ZnO seed layer of step (1), the seed layer is 15-25nm wave Line shape ZnO particle, the specific steps are as follows: by Zn (COOH)2Ethanol solution be spin-coated on the processed cathode ITO base of step (1) On bottom surface, revolution 3500rpm, time 40s；The complete cathode ITO substrate of spin coating is made annealing treatment, in room temperature with 10 DEG C/to be warming up to temperature be 280 DEG C for the rate of min, and it is constant handled 1 hour at 280 DEG C, be prepared with a thickness of 15-25nm's Corrugated ZnO seed layer.
(3) by growing ZnO nanorod on step (2) processed corrugated ZnO seed layer and Bi is being deposited2OS2, tool Steps are as follows for body: first by Zn (NO3)2·6H2O and hexa are dissolved in 200ml deionized water and constitute growth-promoting media, will walk Suddenly (2) growth has the ITO substrate of corrugated ZnO seed layer horizontal immersion growth 50min in growth-promoting media under the conditions of 90 DEG C.It takes Unattached nanometer rods are washed with deionized water after out, dry in an oven, it is 50-200nm that load, which has length, in substrate at this time ZnO nanorod.Then by 30mg Bi2OS2Powder mull is simultaneously dispersed in 1ml deionized water, by above-mentioned mixed liquor ultrasound point It dissipates, is filtered later with 0.22 μm of organic filter, 3wt.%Bi is prepared2OS2Solution；By 3%Bi2OS2Solution is added dropwise dry It is dry it is good after corrugated ZnO nanorod on, after depositing 30s, dehydrated alcohol is put into oven drying after cleaning, and obtains Bi2OS2Deposition Corrugated ZnO nano-rod array, as electron transfer layer.
(4) in above-mentioned electron-transport layer surface spin coating active layer solution, revolving speed 1000rpm, time 40s；The work Property layer be blended by PTB7:PCBM, active layer thickness is 150-200nm or so；Vacuum is put after the completion of the active layer spin coating It sets 2~3 hours.
(5) hole transmission layer MoO is deposited in above-mentioned active layer surface3, with a thickness of 5-10nm.
(6) in above-mentioned hole transport layer surface vapor deposition anode layer silver, with a thickness of 85-95nm, obtain the present embodiment has Machine solar battery.
Embodiment 4
A kind of Bi of the present embodiment2OS2The corrugated ZnO nano-rod array of deposition and organic solar prepared therefrom electricity Pond.Specific preparation process is as follows:
(1) successively by ITO substrate dish washing liquid, deionized water, titanium tetrachloride aqueous solution, acetone, dehydrated alcohol, isopropanol Each ultrasonic cleaning 10 minutes；Then it is dried in 80 DEG C of vacuum ovens.10 are carried out to the ITO substrate surface of the cleaning, drying The Surface Treatment with Plasma of minute cleans ITO remained on surface organic matter and improves its work function.
(2) in the processed surface the ITO spin coating corrugated ZnO seed layer of step (1), the seed layer is 15-25nm wave Line shape ZnO particle, the specific steps are as follows: by Zn (COOH)2Ethanol solution be spin-coated on the processed cathode ITO base of step (1) On bottom surface, revolution 3500rpm, time 40s；The complete cathode ITO substrate of spin coating is made annealing treatment, in room temperature with 10 DEG C/to be warming up to temperature be 280 DEG C for the rate of min, and it is constant handled 1 hour at 280 DEG C, be prepared with a thickness of 15-25nm's Corrugated ZnO seed layer.
(3) by growing ZnO nanorod on step (2) processed corrugated ZnO seed layer and Bi is being deposited2OS2, tool Steps are as follows for body: first by Zn (NO3)2·6H2O and hexa are dissolved in 200ml deionized water and constitute growth-promoting media, will walk Suddenly (2) growth has the ITO substrate of corrugated ZnO seed layer horizontal immersion growth 50min in growth-promoting media under the conditions of 90 DEG C.It takes Unattached nanometer rods are washed with deionized water after out, dry in an oven, it is 50-200nm that load, which has length, in substrate at this time ZnO nanorod.Then by 50mg Bi2OS2Powder mull is simultaneously dispersed in 1ml deionized water, by above-mentioned mixed liquor ultrasound point It dissipates, is filtered later with 0.22 μm of organic filter, 5wt.%Bi is prepared2OS2Solution；By 5%Bi2OS2Solution is added dropwise dry It is dry it is good after corrugated ZnO nanorod on, after depositing 30s, dehydrated alcohol is put into oven drying after cleaning, and obtains Bi2OS2Deposition Corrugated ZnO nano-rod array, as electron transfer layer.
(4) in above-mentioned electron-transport layer surface spin coating active layer solution, revolving speed 1000rpm, time 40s；The work Property layer be blended by PTB7:PCBM, active layer thickness is 150-200nm or so；Vacuum is put after the completion of the active layer spin coating It sets 2~3 hours.
(5) hole transmission layer MoO is deposited in above-mentioned active layer surface3, with a thickness of 5-10nm.
(6) in above-mentioned hole transport layer surface vapor deposition anode layer silver, with a thickness of 85-95nm, obtain the present embodiment has Machine solar battery.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (10)

1. a kind of Bi2OS2The preparation method of the corrugated ZnO nano-rod array of deposition, it is characterised in that including preparing step as follows It is rapid:
(1) by Zn (COOH)2Ethanol solution be spin-coated on ITO substrate surface, then heat to 200~300 DEG C and carry out at annealing Reason, obtains corrugated ZnO seed layer；
(2) by Zn (NO3)2·6H2O and hexa composition growth-promoting media soluble in water will contain ripple obtained by step (1) The ITO substrate level of shape ZnO seed layer is immersed in growth-promoting media, and growing nano-rod at a temperature of 85~95 DEG C cleans after taking-up, It is dry, obtain the ITO substrate that load has ZnO nano-rod array；
(3) by Bi2OS2Powder mull and ultrasonic disperse Yu Shuizhong, obtain Bi2OS2Dispersion liquid, then by Bi2OS2Dispersion liquid is added dropwise It being deposited on to the ZnO nano-rod array of step (2), dehydrated alcohol rinses, and it is dry, obtain Bi2OS2The corrugated ZnO of deposition Nanometer stick array.
2. a kind of Bi according to claim 12OS2The preparation method of the corrugated ZnO nano-rod array of deposition, feature Be: the rate of heating described in step (1) is 5~10 DEG C/min.
3. a kind of Bi according to claim 12OS2The preparation method of the corrugated ZnO nano-rod array of deposition, feature It is: corrugated ZnO seed layer with a thickness of 15~25nm described in step (1).
4. a kind of Bi according to claim 12OS2The preparation method of the corrugated ZnO nano-rod array of deposition, feature Be: the time of growing nano-rod described in step (2) is 45~60min.
5. a kind of Bi according to claim 12OS2The preparation method of the corrugated ZnO nano-rod array of deposition, feature Be: the length of ZnO nanorod described in step (2) is 50~200nm.
6. a kind of Bi according to claim 12OS2The preparation method of the corrugated ZnO nano-rod array of deposition, feature It is: Bi described in step (3)2OS2The mass concentration of dispersion liquid is 1%~5%, and particle size is 10~100nm；It is described heavy The long-pending time is 20~40s.
7. a kind of Bi2OS2The corrugated ZnO nano-rod array of deposition, it is characterised in that: pass through any one of claim 1~6 institute The method stated is prepared.
8. Bi as claimed in claim 72OS2The corrugated ZnO nano-rod array of deposition is as electron transfer layer in organic solar Application in battery.
9. Bi according to claim 82OS2The corrugated ZnO nano-rod array of deposition as electron transfer layer it is organic too It is positive can application in battery, it is characterised in that: the organic solar batteries include cathode substrate, electron transfer layer, active layer, Hole transmission layer and anode layer, the electron transport layer materials are Bi2OS2The corrugated ZnO nano-rod array of deposition.
10. Bi according to claim 92OS2The corrugated ZnO nano-rod array of deposition is as electron transfer layer organic Application in solar battery, it is characterised in that: the cathode substrate is selected from ITO, and the active layer material is PTB7:PCBM, With a thickness of 150~200nm, the hole transport layer material is MoO3, with a thickness of 5~10nm, the anode layer material is silver, thick Degree is 85~95nm.
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109216552A (en) * 2018-07-25 2019-01-15 华南理工大学 A kind of Bi2O2The preparation method of the nanometer stick array of S cladding and the application in solar battery

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109216552A (en) * 2018-07-25 2019-01-15 华南理工大学 A kind of Bi2O2The preparation method of the nanometer stick array of S cladding and the application in solar battery

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AYON DAS MAHAPATRA等: "Enhanced ultraviolet photosensing properties in Bi2S3 nanoparticles decorated ZnO nanorods" heterostructure", 《JOURNAL OF ALLOYS AND COMPOUNDS》 *
PRATIBHA R.NIKAM等: "SILAR coated Bi2S3 nanoparticles on vertically aligned ZnO nanorods: Synthesis and characterizations", 《CERAMICS INTERNATIONAL》 *

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