Gate-tunable, high-responsivity, and room-temperature infrared photodetectors based on a graphene-Bi2Se3 heterostructure

Jaeseok Kim; Houk Jang; Nikesh Koirala; Sangwan Sim; Jae Bok Lee; Un Jeong Kim; Hyangsook Lee; Soonyoung Cha; Chihun In; Jun Park; Jekwan Lee; Matthew Brahlek; Jisoo Moon; Maryam Salehi; Seongshik Oh; Jong Hyun Ahn; Sungwoo Hwang; Dohun Kim; Hyunyong Choi

doi:10.1364/cleo_si.2016.sf2e.3

Gate-tunable, high-responsivity, and room-temperature infrared photodetectors based on a graphene-Bi₂Se₃ heterostructure

Jaeseok Kim, Houk Jang, Nikesh Koirala, Sangwan Sim, Jae Bok Lee, Un Jeong Kim, Hyangsook Lee, Soonyoung Cha, Chihun In, Jun Park, Jekwan Lee, Matthew Brahlek, Jisoo Moon, Maryam Salehi, Seongshik Oh, Jong Hyun Ahn, Sungwoo Hwang, Dohun Kim, Hyunyong Choi

Department of Electrical and Electronic Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

We demonstrate infrared photodetectors based on graphene-Bi₂Se₃ heterostructures with high responsivity (≥1.9 A/W) at room temperature. Strong photogating effect across the tunneling barrier and built-in potential enables the internal quantum efficiency larger than 100 %.

Original language	English
Title of host publication	2016 Conference on Lasers and Electro-Optics, CLEO 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781943580118
DOIs	https://doi.org/10.1364/cleo_si.2016.sf2e.3
Publication status	Published - 2016 Dec 16
Event	2016 Conference on Lasers and Electro-Optics, CLEO 2016 - San Jose, United States Duration: 2016 Jun 5 → 2016 Jun 10

Publication series

Name	2016 Conference on Lasers and Electro-Optics, CLEO 2016

Other

Other	2016 Conference on Lasers and Electro-Optics, CLEO 2016
Country/Territory	United States
City	San Jose
Period	16/6/5 → 16/6/10

Bibliographical note

Publisher Copyright:
© 2016 OSA.

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1364/cleo_si.2016.sf2e.3

Cite this

Kim, J., Jang, H., Koirala, N., Sim, S., Lee, J. B., Kim, U. J., Lee, H., Cha, S., In, C., Park, J., Lee, J., Brahlek, M., Moon, J., Salehi, M., Oh, S., Ahn, J. H., Hwang, S., Kim, D., & Choi, H. (2016). Gate-tunable, high-responsivity, and room-temperature infrared photodetectors based on a graphene-Bi₂Se₃ heterostructure. In 2016 Conference on Lasers and Electro-Optics, CLEO 2016 Article 7788464 (2016 Conference on Lasers and Electro-Optics, CLEO 2016). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1364/cleo_si.2016.sf2e.3

@inproceedings{128f54512fe54ec683ee4748497b92b8,

title = "Gate-tunable, high-responsivity, and room-temperature infrared photodetectors based on a graphene-Bi2Se3 heterostructure",

abstract = "We demonstrate infrared photodetectors based on graphene-Bi2Se3 heterostructures with high responsivity (≥1.9 A/W) at room temperature. Strong photogating effect across the tunneling barrier and built-in potential enables the internal quantum efficiency larger than 100 %.",

author = "Jaeseok Kim and Houk Jang and Nikesh Koirala and Sangwan Sim and Lee, {Jae Bok} and Kim, {Un Jeong} and Hyangsook Lee and Soonyoung Cha and Chihun In and Jun Park and Jekwan Lee and Matthew Brahlek and Jisoo Moon and Maryam Salehi and Seongshik Oh and Ahn, {Jong Hyun} and Sungwoo Hwang and Dohun Kim and Hyunyong Choi",

note = "Publisher Copyright: {\textcopyright} 2016 OSA.; 2016 Conference on Lasers and Electro-Optics, CLEO 2016 ; Conference date: 05-06-2016 Through 10-06-2016",

year = "2016",

month = dec,

day = "16",

doi = "10.1364/cleo_si.2016.sf2e.3",

language = "English",

series = "2016 Conference on Lasers and Electro-Optics, CLEO 2016",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

booktitle = "2016 Conference on Lasers and Electro-Optics, CLEO 2016",

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Kim, J, Jang, H, Koirala, N, Sim, S, Lee, JB, Kim, UJ, Lee, H, Cha, S, In, C, Park, J, Lee, J, Brahlek, M, Moon, J, Salehi, M, Oh, S, Ahn, JH, Hwang, S, Kim, D & Choi, H 2016, Gate-tunable, high-responsivity, and room-temperature infrared photodetectors based on a graphene-Bi₂Se₃ heterostructure. in 2016 Conference on Lasers and Electro-Optics, CLEO 2016., 7788464, 2016 Conference on Lasers and Electro-Optics, CLEO 2016, Institute of Electrical and Electronics Engineers Inc., 2016 Conference on Lasers and Electro-Optics, CLEO 2016, San Jose, United States, 16/6/5. https://doi.org/10.1364/cleo_si.2016.sf2e.3

Gate-tunable, high-responsivity, and room-temperature infrared photodetectors based on a graphene-Bi₂Se₃ heterostructure. / Kim, Jaeseok; Jang, Houk; Koirala, Nikesh et al.
2016 Conference on Lasers and Electro-Optics, CLEO 2016. Institute of Electrical and Electronics Engineers Inc., 2016. 7788464 (2016 Conference on Lasers and Electro-Optics, CLEO 2016).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Gate-tunable, high-responsivity, and room-temperature infrared photodetectors based on a graphene-Bi2Se3 heterostructure

AU - Kim, Jaeseok

AU - Jang, Houk

AU - Koirala, Nikesh

AU - Sim, Sangwan

AU - Lee, Jae Bok

AU - Kim, Un Jeong

AU - Lee, Hyangsook

AU - Cha, Soonyoung

AU - In, Chihun

AU - Park, Jun

AU - Lee, Jekwan

AU - Brahlek, Matthew

AU - Moon, Jisoo

AU - Salehi, Maryam

AU - Oh, Seongshik

AU - Ahn, Jong Hyun

AU - Hwang, Sungwoo

AU - Kim, Dohun

AU - Choi, Hyunyong

PY - 2016/12/16

Y1 - 2016/12/16

N2 - We demonstrate infrared photodetectors based on graphene-Bi2Se3 heterostructures with high responsivity (≥1.9 A/W) at room temperature. Strong photogating effect across the tunneling barrier and built-in potential enables the internal quantum efficiency larger than 100 %.

AB - We demonstrate infrared photodetectors based on graphene-Bi2Se3 heterostructures with high responsivity (≥1.9 A/W) at room temperature. Strong photogating effect across the tunneling barrier and built-in potential enables the internal quantum efficiency larger than 100 %.

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T3 - 2016 Conference on Lasers and Electro-Optics, CLEO 2016

BT - 2016 Conference on Lasers and Electro-Optics, CLEO 2016

PB - Institute of Electrical and Electronics Engineers Inc.

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Y2 - 5 June 2016 through 10 June 2016

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Kim J, Jang H, Koirala N, Sim S, Lee JB, Kim UJ et al. Gate-tunable, high-responsivity, and room-temperature infrared photodetectors based on a graphene-Bi₂Se₃ heterostructure. In 2016 Conference on Lasers and Electro-Optics, CLEO 2016. Institute of Electrical and Electronics Engineers Inc. 2016. 7788464. (2016 Conference on Lasers and Electro-Optics, CLEO 2016). doi: 10.1364/cleo_si.2016.sf2e.3