CN108847427A - A kind of two-dimensional material photodetector of embedded reflecting mirror and its preparation method and application - Google Patents

A kind of two-dimensional material photodetector of embedded reflecting mirror and its preparation method and application Download PDF

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Publication number
CN108847427A
CN108847427A CN201810432151.2A CN201810432151A CN108847427A CN 108847427 A CN108847427 A CN 108847427A CN 201810432151 A CN201810432151 A CN 201810432151A CN 108847427 A CN108847427 A CN 108847427A
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CN
China
Prior art keywords
dimensional material
reflecting mirror
photodetector
dielectric layer
embedded
Prior art date
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Pending
Application number
CN201810432151.2A
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Chinese (zh)
Inventor
杨亿斌
李京波
招瑜
肖也
罗东向
牟中飞
郑照强
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Guangdong University of Technology
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Guangdong University of Technology
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Publication date
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Priority to CN201810432151.2A priority Critical patent/CN108847427A/en
Publication of CN108847427A publication Critical patent/CN108847427A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • 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
    • H01L31/02Details
    • H01L31/0232Optical elements or arrangements associated with the device
    • H01L31/02327Optical elements or arrangements associated with the device the optical elements being integrated or being directly associated to the device, e.g. back reflectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • 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
    • H01L31/08Semiconductor 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 in which radiation controls flow of current through the device, e.g. photoresistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • 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
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention belongs to micro-nano photoelectron technical fields, disclose a kind of two-dimensional material photodetector and preparation method thereof of embedded reflecting mirror.The two-dimensional material photodetector successively includes substrate, metallic mirror, dielectric layer, two-dimensional material and source-drain electrode from bottom to top.The embedded metal reflecting mirror between substrate and dielectric layer, specific preparation step are:The metal of one layer of high reflectance is first plated on substrate;Dielectric layer is plated on metallic mirror;Two-dimensional material is grown or is transferred to above dielectric layer;Source-drain electrode is plated in two-dimensional material.Preparation method of the two-dimensional material photodetector of the embedded reflecting mirror have many advantages, such as easy to operate, processing step is few, it is high-efficient, effectively improve device detection performance.

Description

A kind of two-dimensional material photodetector of embedded reflecting mirror and its preparation method and application
Technical field
The invention belongs to micro-nano photoelectron technical fields, more particularly, to a kind of two-dimensional material light of embedded reflecting mirror Electric explorer and its preparation method and application.
Background technique
New Two Dimensional material really enters into people's sight only short several years, has rapidly become the big of global Material Field Heat continues to bring out new discovery and new breakthrough.Two-dimensional material usually has certain band gap and unique mechanical, optically and electrically Etc. physical properties, be increasingly becoming emerging two-dimensional material system, the research of two-dimensional material photodetector is also increasingly prosperous.So And the area of two-dimensional material is usually smaller, thickness is also very thin, and be translucent shape, and therefore, extinction efficiency is relatively low, sternly The performance of recasting about photodetector.
Summary of the invention
In order to solve above-mentioned the shortcomings of the prior art and disadvantage, a kind of two-dimensional material photoelectricity of embedded reflecting mirror is provided Detector.The photodetector effectively improves the extinction efficiency of two-dimensional material photodetector, improves photodetection Energy.
Another object of the present invention is to provide the preparation methods of the two-dimensional material photodetector of above-mentioned embedded reflecting mirror.
A further object of the present invention is to provide the applications of the two-dimensional material photodetector of above-mentioned embedded reflecting mirror.
The purpose of the present invention is realized by following technical proposals:
A kind of two-dimensional material photodetector of embedded reflecting mirror, the two-dimensional material photodetector is from bottom to top successively Including substrate, metallic mirror, dielectric layer, two-dimensional material and source-drain electrode.
Preferably, the substrate be silicon or germanium, the metallic mirror be silver or aluminium, the dielectric layer be zirconium dioxide or Hafnium oxide, the two-dimensional material are black phosphorus, blue phosphorus or indium sulfide, and the source-drain electrode is copper, titanium or gold.
The preparation method of the two-dimensional material photodetector of the embedded reflecting mirror, comprises the following specific steps that:
S1. the metal for first plating one layer of high reflectance on substrate, forms metallic mirror;
S2. dielectric layer is plated on metallic mirror;
S3. chemical vapor deposition method or micromechanics stripping method are used, two-dimensional material is transferred to above dielectric layer;
S4. source-drain electrode is plated in two-dimensional material, that is, forms the two-dimensional material photodetector of embedded reflecting mirror.
Application of the two-dimensional material photodetector of the embedded reflecting mirror in micro-nano photoelectron technical field.
Compared with prior art, the invention has the advantages that:
1. the two-dimensional material photodetector of the embedded reflecting mirror of the present invention effectively improves two-dimensional material photodetector Extinction efficiency, improve photodetection performance.
2. preparation method of the invention have it is easy to operate, processing step is few, it is high-efficient, effectively improve device detection performance The advantages that.
Detailed description of the invention
Fig. 1 is the cross section structure schematic diagram that the two-dimensional material photodetector of reflecting mirror is embedded in the embodiment of the present invention 1.
Fig. 2 is that the process for the preparation method of two-dimensional material photodetector that reflecting mirror is embedded in the embodiment of the present invention 1 is shown It is intended to.
Specific embodiment
The contents of the present invention are further illustrated combined with specific embodiments below, but should not be construed as limiting the invention. Unless otherwise specified, the conventional means that technological means used in embodiment is well known to those skilled in the art.Except non-specifically Illustrate, reagent that the present invention uses, method and apparatus is the art conventional reagents, method and apparatus.
Embodiment 1
A kind of two-dimensional material photodetector of embedded reflecting mirror, as shown in Figure 1, from bottom to top successively including substrate 1, gold Belong to reflecting mirror 2, dielectric layer 3, two-dimensional material 4, source-drain electrode 5.
As shown in Fig. 2, the preparation method of the two-dimensional material photodetector of above-mentioned embedded reflecting mirror, including following step Suddenly:
The first step first plates the metallic mirror 2 of one layer of high reflectance on substrate 1;Wherein, 1 material therefor of substrate is silicon, 2 material therefor of metallic mirror is silver.
Second step plates dielectric layer 3 on metallic mirror 2;Wherein, 3 material therefor of dielectric layer is zirconium dioxide.
Two-dimensional material 4 is grown in above dielectric layer 3 by third step using chemical vapour deposition technique;Wherein, two-dimensional material 4 Material therefor is black phosphorus.
4th step plates source-drain electrode 5 in two-dimensional material 4;Wherein, 5 material therefor of source-drain electrode is copper, is ultimately formed interior The two-dimensional material photodetector of embedding reflecting mirror.
Embodiment 2
A kind of two-dimensional material photodetector of embedded reflecting mirror, as shown in Figure 1, from bottom to top successively including substrate 1, gold Belong to reflecting mirror 2, dielectric layer 3, two-dimensional material 4, source-drain electrode 5.
As shown in Fig. 2, the preparation method of the two-dimensional material photodetector of above-mentioned embedded reflecting mirror, including following step Suddenly:
The first step first plates the metallic mirror 2 of one layer of high reflectance on substrate 1;Wherein, 1 material therefor of substrate is germanium, 2 material therefor of metallic mirror is aluminium.
Second step plates dielectric layer 3 on metallic mirror 2;Wherein, 3 material therefor of dielectric layer is hafnium oxide.
Two-dimensional material 4 is grown in above dielectric layer 3 by third step using chemical vapour deposition technique;Wherein, two-dimensional material 4 Material therefor is blue phosphorus.
4th step plates source-drain electrode 5 in two-dimensional material 4;Wherein, 5 material therefor of source-drain electrode is titanium, is ultimately formed interior The two-dimensional material photodetector of embedding reflecting mirror.
Embodiment 3
A kind of two-dimensional material photodetector of embedded reflecting mirror, as shown in Figure 1, from bottom to top successively including substrate 1, gold Belong to reflecting mirror 2, dielectric layer 3, two-dimensional material 4, source-drain electrode 5.
As shown in Fig. 2, the preparation method of the two-dimensional material photodetector of above-mentioned embedded reflecting mirror, including following step Suddenly:
The first step first plates the metallic mirror 2 of one layer of high reflectance on substrate 1;Wherein, 1 material therefor of substrate is germanium, 2 material therefor of metallic mirror is aluminium.
Second step plates dielectric layer 3 on metallic mirror 2;Wherein, 3 material therefor of dielectric layer is hafnium oxide.
Two-dimensional material 4 is grown in above dielectric layer 3 by third step using micromechanics stripping method;Wherein, 4 institute of two-dimensional material It is indium sulfide with material.
4th step plates source-drain electrode 5 in two-dimensional material 4;Wherein, 5 material therefor of source-drain electrode is titanium, is ultimately formed interior The two-dimensional material photodetector of embedding reflecting mirror.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, it is other it is any without departing from the spirit and principles of the present invention made by change, modification, substitution, combination and simplify, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (4)

1. a kind of two-dimensional material photodetector of embedded reflecting mirror, which is characterized in that the two-dimensional material photodetector is certainly It successively include substrate, metallic mirror, dielectric layer, two-dimensional material and source-drain electrode on down.
2. embedding the two-dimensional material photodetector of reflecting mirror according to claim 1, which is characterized in that the substrate is silicon Or germanium, the metallic mirror are silver or aluminium, the dielectric layer is zirconium dioxide or hafnium oxide, and the two-dimensional material is black Phosphorus, blue phosphorus or indium sulfide, the source-drain electrode are copper, titanium or gold.
3. the preparation method of the two-dimensional material photodetector of embedded reflecting mirror according to claim 1 or 2, feature exist In comprising the following specific steps that:
S1. the metal for first plating one layer of high reflectance on substrate, forms metallic mirror;
S2. dielectric layer is plated on metallic mirror;
S3. chemical vapor deposition method or micromechanics stripping method are used, two-dimensional material is transferred to above dielectric layer;
S4. source-drain electrode is plated in two-dimensional material, that is, forms the two-dimensional material photodetector of embedded reflecting mirror.
4. the two-dimensional material photodetector of embedded reflecting mirror of any of claims 1 or 2 is in micro-nano photoelectron technical field Application.
CN201810432151.2A 2018-05-08 2018-05-08 A kind of two-dimensional material photodetector of embedded reflecting mirror and its preparation method and application Pending CN108847427A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110289334A (en) * 2019-07-02 2019-09-27 电子科技大学 A kind of photodetector
CN112652669A (en) * 2020-12-24 2021-04-13 上海师范大学 Optical Tamm-state enhanced graphene photoelectric detector and preparation method thereof

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WO2014089454A2 (en) * 2012-12-07 2014-06-12 The Trustees Of Columbia University In The City Of New York Systems and methods for graphene photodetectors
EP3147954A1 (en) * 2015-09-22 2017-03-29 Nokia Technologies Oy Photodetector with conductive channel made from two dimensional material and its manufacturing method
CN107507911A (en) * 2017-08-10 2017-12-22 中国科学院上海微系统与信息技术研究所 Superconducting nano-wire single-photon detector
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EP1705716A1 (en) * 2005-03-24 2006-09-27 ATMEL Germany GmbH Semiconductor photodetector and method for making the same
WO2014089454A2 (en) * 2012-12-07 2014-06-12 The Trustees Of Columbia University In The City Of New York Systems and methods for graphene photodetectors
CN103794673A (en) * 2014-03-07 2014-05-14 中国电子科技集团公司第四十四研究所 Platinum-silicon nanowire infrared detector and manufacturing method thereof
EP3147954A1 (en) * 2015-09-22 2017-03-29 Nokia Technologies Oy Photodetector with conductive channel made from two dimensional material and its manufacturing method
EP3301728A1 (en) * 2016-09-19 2018-04-04 Sharp Kabushiki Kaisha Energy selective photodetector
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110289334A (en) * 2019-07-02 2019-09-27 电子科技大学 A kind of photodetector
CN110289334B (en) * 2019-07-02 2021-06-04 电子科技大学 Photoelectric detector
CN112652669A (en) * 2020-12-24 2021-04-13 上海师范大学 Optical Tamm-state enhanced graphene photoelectric detector and preparation method thereof

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Application publication date: 20181120