A Polarization-Sensitive Multiband Plasmonic Hot Electron Photodetector Based on Conformal MoS2
被引:8
作者:
Li, Jialu
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Harbin Inst Technol, Phys Dept, Harbin 150000, Heilongjiang, Peoples R China
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R ChinaHarbin Inst Technol, Phys Dept, Harbin 150000, Heilongjiang, Peoples R China
Li, Jialu
[1
,2
]
Zhao, Yuan
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Harbin Inst Technol, Phys Dept, Harbin 150000, Heilongjiang, Peoples R ChinaHarbin Inst Technol, Phys Dept, Harbin 150000, Heilongjiang, Peoples R China
Zhao, Yuan
[1
]
Tang, Linlong
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Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R ChinaHarbin Inst Technol, Phys Dept, Harbin 150000, Heilongjiang, Peoples R China
Tang, Linlong
[2
]
Nie, Changbin
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Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R ChinaHarbin Inst Technol, Phys Dept, Harbin 150000, Heilongjiang, Peoples R China
Nie, Changbin
[2
]
Wang, Jing
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Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R ChinaHarbin Inst Technol, Phys Dept, Harbin 150000, Heilongjiang, Peoples R China
Wang, Jing
[2
]
Yao, Wei
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Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R ChinaHarbin Inst Technol, Phys Dept, Harbin 150000, Heilongjiang, Peoples R China
Yao, Wei
[2
]
机构:
[1] Harbin Inst Technol, Phys Dept, Harbin 150000, Heilongjiang, Peoples R China
[2] Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China
We present an insulator-semiconductor-metal plasmonic hot-electron photodetector based on a grating structure that uses monolayer MoS2 as a semiconductor. Within the MoS2 bandgap wavelength, the choice of design can be used to increase the photocurrent via the enhanced electric field of surface plasmons. Beyond the bandgap, hot electrons generated by surface plasmons can contribute to the photocurrent, which overcomes the limitation of the semiconductor's bandgap. Using a finite element method simulation, we determined the optimal geometric configuration for the grating and metal parameters. Moreover, we compared our conformal structure with typical planar and metal gratings. The results show that our structure enables the maximum optical enhancement for the semiconductor and the highest utilization ratio of hot electrons among these three architectures. In contrast with a conventional metal-semiconductor-metal structure in which the net current is the difference between forward and backward currents, the proposed structure has only one layer of metal with unidirectional current, which can further enhance the net current and hence the responsivity.
机构:
CALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USACALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
Brown, Ana M.
Sundararaman, Ravishankar
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CALTECH, Joint Ctr Artificial Photosynthesis, 1200 East Calif Blvd, Pasadena, CA 91125 USACALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
Sundararaman, Ravishankar
Narang, Prineha
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机构:
CALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
CALTECH, Joint Ctr Artificial Photosynthesis, 1200 East Calif Blvd, Pasadena, CA 91125 USACALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
Narang, Prineha
Goddard, William A., III
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机构:
CALTECH, Joint Ctr Artificial Photosynthesis, 1200 East Calif Blvd, Pasadena, CA 91125 USA
CALTECH, Mat & Proc Simulat Ctr, 1200 East Calif Blvd, Pasadena, CA 91125 USACALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
Goddard, William A., III
Atwater, Harry A.
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机构:
CALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
CALTECH, Joint Ctr Artificial Photosynthesis, 1200 East Calif Blvd, Pasadena, CA 91125 USACALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
机构:
Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Ge, Bangtong
Zhou, Dahua
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h-index: 0
机构:
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Zhou, Dahua
Zhang, Weiguo
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机构:
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Zhang, Weiguo
Feng, Shuanglong
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机构:
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Feng, Shuanglong
Sun, Lidong
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机构:
Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Sun, Lidong
Shen, Jun
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机构:
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
机构:
CALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USACALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
Brown, Ana M.
Sundararaman, Ravishankar
论文数: 0引用数: 0
h-index: 0
机构:
CALTECH, Joint Ctr Artificial Photosynthesis, 1200 East Calif Blvd, Pasadena, CA 91125 USACALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
Sundararaman, Ravishankar
Narang, Prineha
论文数: 0引用数: 0
h-index: 0
机构:
CALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
CALTECH, Joint Ctr Artificial Photosynthesis, 1200 East Calif Blvd, Pasadena, CA 91125 USACALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
Narang, Prineha
Goddard, William A., III
论文数: 0引用数: 0
h-index: 0
机构:
CALTECH, Joint Ctr Artificial Photosynthesis, 1200 East Calif Blvd, Pasadena, CA 91125 USA
CALTECH, Mat & Proc Simulat Ctr, 1200 East Calif Blvd, Pasadena, CA 91125 USACALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
Goddard, William A., III
Atwater, Harry A.
论文数: 0引用数: 0
h-index: 0
机构:
CALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
CALTECH, Joint Ctr Artificial Photosynthesis, 1200 East Calif Blvd, Pasadena, CA 91125 USACALTECH, Thomas J Watson Labs Appl Phys, 1200 East Calif Blvd, Pasadena, CA 91125 USA
机构:
Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Ge, Bangtong
Zhou, Dahua
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Zhou, Dahua
Zhang, Weiguo
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h-index: 0
机构:
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Zhang, Weiguo
Feng, Shuanglong
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h-index: 0
机构:
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Feng, Shuanglong
Sun, Lidong
论文数: 0引用数: 0
h-index: 0
机构:
Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
Sun, Lidong
Shen, Jun
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R ChinaChongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China