CN105070664A - Optoelectronic device ZnO/ZnS heterojunction nano-array film preparing method - Google Patents

Optoelectronic device ZnO/ZnS heterojunction nano-array film preparing method Download PDF

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CN105070664A
CN105070664A CN201510554660.9A CN201510554660A CN105070664A CN 105070664 A CN105070664 A CN 105070664A CN 201510554660 A CN201510554660 A CN 201510554660A CN 105070664 A CN105070664 A CN 105070664A
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CN105070664B (en
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钟文武
李志刚
刘彦平
詹白勺
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Taizhou University
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02367Substrates
    • H01L21/0237Materials
    • H01L21/02422Non-crystalline insulating materials, e.g. glass, polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00Manufacture or treatment of nanostructures
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    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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    • H01L21/02365Forming inorganic semiconducting materials on a substrate
    • H01L21/02436Intermediate layers between substrates and deposited layers
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    • H01L21/02469Group 12/16 materials
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    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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    • H01L21/02104Forming layers
    • H01L21/02365Forming inorganic semiconducting materials on a substrate
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    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/0248Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
    • H01L31/0256Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by the material
    • H01L31/0264Inorganic materials
    • H01L31/0296Inorganic materials including, apart from doping material or other impurities, only AIIBVI compounds, e.g. CdS, ZnS, HgCdTe

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Abstract

The invention relates to the technical field of optoelectronics, and specifically provides an optoelectronic device ZnO/ZnS heterojunction nano-array film preparing method. The method comprises the steps of substrate washing, ZnO seed layer preparing, ZnO nanorod ordered array thin film preparing, and ZnO/ZnS heterostructure nano-array preparing. The method is characterized by simple process, convenient operation and low preparing temperature and is suitable for engineering application; the products are good in performance.

Description

Opto-electronic device ZnO/ZnS heterojunction nano-array membrane preparation method
Technical field
The present invention relates to optoelectronics technical field, particularly relate to a kind of ZnO/ZnS heterojunction nano-array film for opto-electronic device.
Background technology
Since late 1980s, due to developing of information and photoelectronic industry, requirements at the higher level are proposed for semi-conducting material photoelectric characteristic, thus accelerate with the progress of III-V race and II-VI compounds of group third generation semi-conducting material that is representative.Homojunction and the heterojunction of zinc oxide (ZnO) material have huge development potentiality in fields such as surface acoustic wave, transparency electrode, luminescent devices, become the focus of people's extensive concern.ZnO is a kind of broad stopband direct band gap n-type semiconductor of hexagonal wurtzite structure, lattice constant a=0.325nm, c=0.521nm, under room temperature, energy gap is about 3.37eV, exciton bind energy is 60meV, has good chemical stability, nontoxic, abundant raw material, the advantage such as cheap.But the electric property of these homojunctions and heterojunction does not reach the requirement of practical application.Mainly because p-type material limits its electric property, p-type ZnO material is repeatable poor, is difficult to the high-quality p-type ZnO of preparation, and Si, NiO, CuAlO 2, there is larger lattice mismatch in the p-type material such as ZnMgO and ZnO, the photoelectric properties of prepared ZnO heterojunction have certain limitation.Therefore, need to find a kind of p-type material good with ZnO lattice.Zinc sulphide (ZnS) is a kind of broad stopband direct band gap p-type semiconductor material, lattice constant a=0.381nm, c=0.623nm, under room temperature, energy gap is 3.72eV, refractive index is 2.35, has a wide range of applications in fields such as solar cell and short-wavelength light electronic devices.In addition, because O and S is congeners, and ionic radius is more or less the same.Therefore, the Lattice Matching of ZnO and ZnS is good, and high performance ZnO/ZnS heterogeneous p-n is conducive to the opto-electronic device film preparing high-quality.
In recent years, low-dimension nano material shows the characteristic of a series of excellence, and therefore the ZnO nano film of the Structure composing such as nano wire, nanometer rods, nanotube becomes the focus of research.Adopt nanorod structure can overcome existing traditional structure complicated process of preparation, operate inconvenience, preparation temperature is high, properties of product are unstable, be unsuitable for the shortcomings such as through engineering approaches application.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide that a kind of cost is low, preparation technology is simply for the ZnO/ZnS heterojunction nano-array film of opto-electronic device.
For achieving the above object, the scheme that the present invention adopts is: a kind of opto-electronic device ZnO/ZnS heterojunction nano-array membrane preparation method, comprises the following steps:
A () cleaning opto-electronic device glass substrate: first clean glass substrate with liquid detergent, then boil with the concentrated sulfuric acid, then successively respectively in absolute ethyl alcohol and deionized water for ultrasonic cleaning;
The preparation of (b) ZnO Seed Layer: mixed solution zinc acetate dihydrate being at room temperature dissolved in EGME and monoethanolamine, zinc acetate dihydrate concentration is in the solution 0.8mol/L, and the mol ratio of zinc acetate and monoethanolamine keeps 1:1; This mixed liquor is placed in water-bath temperature control 60 DEG C, magnetic agitation 4 hours, obtains clear, uniform colloidal sol, by still aging 24 hours of obtained colloidal sol, for the coating of film; Sheet glass after step (a) being cleaned is substrate, adopts sol evenning machine spin-coating method by the sol filming after still aging, dries, repeated multiple times increase thickness at 200 DEG C; Then sample to be transferred in chamber type electric resistance furnace 300 DEG C of constant temperature 30 minutes, then 550 DEG C of cycle annealings 2 hours, to naturally cool to room temperature in stove, undoped ZnO Seed Layer can be obtained;
The preparation of (c) ZnO nanorod oldered array film: ammoniacal liquor is added drop-wise in the zinc nitrate solution in stirring, the mol ratio of ammoniacal liquor and zinc nitrate is made to be 8:1, zinc nitrate concentration is in the solution 0.06mol/L, then the sample that grown ZnO Seed Layer through step (b) is put into autoclave, pour above-mentioned solution into, the reactor of good seal is put into baking oven in 50 ~ 90 DEG C of heating 4 ~ 9 hours; After baking oven cool to room temperature, sample is taken out, and with deionized water rinsing, then dry in atmosphere;
The preparation of (d) ZnO/ZnS heterogeneous structural nano array: 1.6g thiocarbamide, 4.6g zinc acetate, 13.1g isopropyl alcohol and 14.8g ammoniacal liquor are put into beaker, and stir 30 minutes in room temperature magnetic stirring apparatus, then the sample that grown ZnO nanorod film through step (c) is put into autoclave, pour above-mentioned solution into, the reactor of good seal is put into baking oven in 120 DEG C of heating 4 hours; After baking oven cool to room temperature, sample is taken out, and with deionized water rinsing, then dry in atmosphere.
ZnO/ZnS heterojunction nano-array film of the present invention, adopt hydrothermal synthesis method in ZnO Seed Layer, grow layer of ZnO nanometer rods oldered array membrane structure, have that equipment cost is low, technique is simple, easy to operate, preparation temperature is lower, properties of product are excellent, be suitable for the advantages such as through engineering approaches application.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention structure principle chart;
Description of symbols in figure: 1-glass substrate layer, 2-ZnO Seed Layer, 3-ZnO nanorod layer, 4-ZnS nanometer rods layer .
Embodiment
For understanding the present invention better, below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described further, see Fig. 1:
By a kind of ZnO/ZnS heterojunction nano-array film for opto-electronic device that the present invention program implements, include four layers that combine successively from the inside to the outside, be respectively: glass substrate layer, ZnO Seed Layer, ZnO nanorod layer, ZnS nanometer rods layer, glass substrate layer is substrate, first with liquid detergent cleaning, then boil with the concentrated sulfuric acid, then respectively in absolute ethyl alcohol and deionized water for ultrasonic cleaning, make its superficial layer bright and clean, be convenient to the coating of ZnO Seed Layer.ZnO Seed Layer is coated in on the above-mentioned glass substrate layer bright and clean top layer that is substrate, a certain amount of zinc acetate dihydrate is at room temperature dissolved in the mixed solution of EGME and monoethanolamine, zinc acetate dihydrate concentration is in the solution 0.8mol/L, and the mol ratio of zinc acetate and monoethanolamine keeps 1:1.This mixed liquor is placed in water-bath temperature control 60 DEG C, magnetic agitation 4 hours, obtains clear, uniform colloidal sol, by still aging 24 hours of obtained colloidal sol, for the coating of film.With the sheet glass of above-mentioned cleaning for substrate, adopt sol evenning machine spin-coating method plated film, dry at 200 DEG C, repeated multiple times increase thickness.Then sample to be transferred in chamber type electric resistance furnace 300 DEG C of constant temperature 30 minutes, then 550 DEG C of cycle annealings 2 hours, to naturally cool to room temperature in stove, undoped ZnO Seed Layer can be obtained.ZnO nanorod layer ordering growth is nano bar-shape structure in ZnO Seed Layer, a certain amount of ammoniacal liquor is added drop-wise in the zinc nitrate solution in stirring, then the sample that grown ZnO seed is put into autoclave, and pour above-mentioned solution into, finally the reactor of good seal is put into baking oven in 50 ~ 90 DEG C of heating 4 ~ 9 hours.After baking oven cool to room temperature, sample is taken out, and with deionized water rinsing, then dry in atmosphere, obtain ZnO nanorod layer.Hydrothermal synthesis method is adopted to grow one deck ZnS nano thin-film on the above-mentioned films, ZnS nanometer rods layer growth forms heterojunction on ZnO nanorod layer, 1.6g thiocarbamide, 4.6g zinc acetate, 13.1g isopropyl alcohol and 14.8g ammoniacal liquor are put into beaker, and stirs 30 minutes in room temperature magnetic stirring apparatus.Then the sample that grown ZnO nanorod film is put into autoclave, pour above-mentioned solution into, the reactor of good seal is put into baking oven in 120 DEG C of heating 4 hours; After baking oven cool to room temperature, sample is taken out, and with deionized water rinsing, then dry in atmosphere.

Claims (1)

1. an opto-electronic device ZnO/ZnS heterojunction nano-array membrane preparation method, is characterized in that, comprise the following steps:
A () cleaning opto-electronic device glass substrate: first clean glass substrate with liquid detergent, then boil with the concentrated sulfuric acid, then successively respectively in absolute ethyl alcohol and deionized water for ultrasonic cleaning;
The preparation of (b) ZnO Seed Layer: mixed solution zinc acetate dihydrate being at room temperature dissolved in EGME and monoethanolamine, zinc acetate dihydrate concentration is in the solution 0.8mol/L, and the mol ratio of zinc acetate and monoethanolamine keeps 1:1; This mixed liquor is placed in water-bath temperature control 60 DEG C, magnetic agitation 4 hours, obtains clear, uniform colloidal sol, by still aging 24 hours of obtained colloidal sol, for the coating of film; Sheet glass after step (a) being cleaned is substrate, adopts sol evenning machine spin-coating method by the sol filming after still aging, dries, repeated multiple times increase thickness at 200 DEG C; Then sample to be transferred in chamber type electric resistance furnace 300 DEG C of constant temperature 30 minutes, then 550 DEG C of cycle annealings 2 hours, to naturally cool to room temperature in stove, undoped ZnO Seed Layer can be obtained;
The preparation of (c) ZnO nanorod oldered array film: ammoniacal liquor is added drop-wise in the zinc nitrate solution in stirring, the mol ratio of ammoniacal liquor and zinc nitrate is made to be 8:1, zinc nitrate concentration is in the solution 0.06mol/L, then the sample that grown ZnO Seed Layer through step (b) is put into autoclave, pour above-mentioned solution into, the reactor of good seal is put into baking oven in 50 ~ 90 DEG C of heating 4 ~ 9 hours; After baking oven cool to room temperature, sample is taken out, and with deionized water rinsing, then dry in atmosphere;
The preparation of (d) ZnO/ZnS heterogeneous structural nano array: 1.6g thiocarbamide, 4.6g zinc acetate, 13.1g isopropyl alcohol and 14.8g ammoniacal liquor are put into beaker, and stir 30 minutes in room temperature magnetic stirring apparatus, then the sample that grown ZnO nanorod film through step (c) is put into autoclave, pour above-mentioned solution into, the reactor of good seal is put into baking oven in 120 DEG C of heating 4 hours; After baking oven cool to room temperature, sample is taken out, and with deionized water rinsing, then dry in atmosphere.
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106596656A (en) * 2016-12-15 2017-04-26 福州大学 Titanium dioxide-supported ferric oxide nanoheterostructure gas-sensitive element synthesized on basis of MOF template method
CN106906470A (en) * 2016-12-07 2017-06-30 刘欣萍 A kind of zinc oxide zinc sulfide nano film
CN107275437A (en) * 2017-05-27 2017-10-20 合肥工业大学 A kind of preparation method and its usage of the photo-detector based on the vertical nanometer stick arrays of ZnO
CN107673401A (en) * 2017-10-25 2018-02-09 广西沙田仙人滩农业投资有限公司 A kind of preparation method of nanoscale ZnS films
CN109879607A (en) * 2019-03-28 2019-06-14 中国民航大学 The preparation method of the modified hydrophobic automatically cleaning film of ZnO/ZnS nano-chip arrays
CN110102333A (en) * 2019-06-19 2019-08-09 牡丹江师范学院 A kind of preparation method of C, N codope ZnO nano-structure array
CN111180293A (en) * 2020-02-14 2020-05-19 福建工程学院 Flexible ZnO @ TiN core-shell structure array cathode and preparation method thereof

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106906470A (en) * 2016-12-07 2017-06-30 刘欣萍 A kind of zinc oxide zinc sulfide nano film
CN106906470B (en) * 2016-12-07 2019-10-11 陈超 A kind of zinc oxide-zinc sulfide nano film
CN106596656A (en) * 2016-12-15 2017-04-26 福州大学 Titanium dioxide-supported ferric oxide nanoheterostructure gas-sensitive element synthesized on basis of MOF template method
CN106596656B (en) * 2016-12-15 2019-05-10 福州大学 A kind of gas sensor of the titanium dichloride load di-iron trioxide nano-heterogeneous structure based on MOF Template synthesis
CN107275437A (en) * 2017-05-27 2017-10-20 合肥工业大学 A kind of preparation method and its usage of the photo-detector based on the vertical nanometer stick arrays of ZnO
CN107275437B (en) * 2017-05-27 2019-03-05 合肥工业大学 A kind of preparation method and its usage of the optical detector based on the vertical nanometer stick array of ZnO
CN107673401A (en) * 2017-10-25 2018-02-09 广西沙田仙人滩农业投资有限公司 A kind of preparation method of nanoscale ZnS films
CN109879607A (en) * 2019-03-28 2019-06-14 中国民航大学 The preparation method of the modified hydrophobic automatically cleaning film of ZnO/ZnS nano-chip arrays
CN110102333A (en) * 2019-06-19 2019-08-09 牡丹江师范学院 A kind of preparation method of C, N codope ZnO nano-structure array
CN111180293A (en) * 2020-02-14 2020-05-19 福建工程学院 Flexible ZnO @ TiN core-shell structure array cathode and preparation method thereof

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