High-speed non-cryogenic cooled infrared sensors using carbon nanotubes

King Wai Chiu Lai; Ning Xi; Carmen Kar Man Fung; Hongzhi Chen

doi:10.1109/NEMS.2010.5592173

High-speed non-cryogenic cooled infrared sensors using carbon nanotubes

King Wai Chiu Lai^*, Ning Xi, Carmen Kar Man Fung, Hongzhi Chen

^*Corresponding author for this work

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

2 Citations (Scopus)

Abstract

We report the development of high-speed carbon nanotube (CNT) based infrared (IR) sensors which operate at room temperature. When a single CNT is manipulated between two different metal electrodes, a Schottky diode is formed at the CNT-metal interface, so photocurrent is generated when there is IR illumination. The devices exhibit a fast optical response time of 15 μs and the response time is limited by the readout circuit during the measurement. Beside, we proved CNTs are less temperature-dependent. Dark current of CNTs changes by a factor of 10 for 200 °C drop in temperature, and photocurrent is also maintained in the same level. These values indicated nanotube can be used as an excellent IR sensing material with high-speed, stable and reliable performance under non-cryogenic cooled environment. ©2010 IEEE.

Original language	English
Title of host publication	2010 IEEE 5th International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2010
Pages	161-164
DOIs	https://doi.org/10.1109/NEMS.2010.5592173
Publication status	Published - 2010
Externally published	Yes
Event	5th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2010) - Xiamen, China Duration: 20 Jan 2010 → 23 Jan 2010

Conference

Conference	5th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2010)
Abbreviated title	IEEE-NEMS 2010
Place	China
City	Xiamen
Period	20/01/10 → 23/01/10

Research Keywords

Carbon nanotube
Component
High-speed infrared sensors

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10.1109/NEMS.2010.5592173

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@inproceedings{1be1700a91974029b15ba06d017dafe2,

title = "High-speed non-cryogenic cooled infrared sensors using carbon nanotubes",

abstract = "We report the development of high-speed carbon nanotube (CNT) based infrared (IR) sensors which operate at room temperature. When a single CNT is manipulated between two different metal electrodes, a Schottky diode is formed at the CNT-metal interface, so photocurrent is generated when there is IR illumination. The devices exhibit a fast optical response time of 15 μs and the response time is limited by the readout circuit during the measurement. Beside, we proved CNTs are less temperature-dependent. Dark current of CNTs changes by a factor of 10 for 200 °C drop in temperature, and photocurrent is also maintained in the same level. These values indicated nanotube can be used as an excellent IR sensing material with high-speed, stable and reliable performance under non-cryogenic cooled environment. {\textcopyright}2010 IEEE.",

keywords = "Carbon nanotube, Component, High-speed infrared sensors",

author = "Lai, {King Wai Chiu} and Ning Xi and Fung, {Carmen Kar Man} and Hongzhi Chen",

year = "2010",

doi = "10.1109/NEMS.2010.5592173",

language = "English",

isbn = "9781424465439",

pages = "161--164",

booktitle = "2010 IEEE 5th International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2010",

note = "5th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2010), IEEE-NEMS 2010 ; Conference date: 20-01-2010 Through 23-01-2010",

}

Lai, KWC, Xi, N, Fung, CKM & Chen, H 2010, High-speed non-cryogenic cooled infrared sensors using carbon nanotubes. in 2010 IEEE 5th International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2010., 5592173, pp. 161-164, 5th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2010), Xiamen, China, 20/01/10. https://doi.org/10.1109/NEMS.2010.5592173

High-speed non-cryogenic cooled infrared sensors using carbon nanotubes. / Lai, King Wai Chiu; Xi, Ning; Fung, Carmen Kar Man et al.
2010 IEEE 5th International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2010. 2010. p. 161-164 5592173.

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

TY - GEN

T1 - High-speed non-cryogenic cooled infrared sensors using carbon nanotubes

AU - Lai, King Wai Chiu

AU - Xi, Ning

AU - Fung, Carmen Kar Man

AU - Chen, Hongzhi

PY - 2010

Y1 - 2010

N2 - We report the development of high-speed carbon nanotube (CNT) based infrared (IR) sensors which operate at room temperature. When a single CNT is manipulated between two different metal electrodes, a Schottky diode is formed at the CNT-metal interface, so photocurrent is generated when there is IR illumination. The devices exhibit a fast optical response time of 15 μs and the response time is limited by the readout circuit during the measurement. Beside, we proved CNTs are less temperature-dependent. Dark current of CNTs changes by a factor of 10 for 200 °C drop in temperature, and photocurrent is also maintained in the same level. These values indicated nanotube can be used as an excellent IR sensing material with high-speed, stable and reliable performance under non-cryogenic cooled environment. ©2010 IEEE.

AB - We report the development of high-speed carbon nanotube (CNT) based infrared (IR) sensors which operate at room temperature. When a single CNT is manipulated between two different metal electrodes, a Schottky diode is formed at the CNT-metal interface, so photocurrent is generated when there is IR illumination. The devices exhibit a fast optical response time of 15 μs and the response time is limited by the readout circuit during the measurement. Beside, we proved CNTs are less temperature-dependent. Dark current of CNTs changes by a factor of 10 for 200 °C drop in temperature, and photocurrent is also maintained in the same level. These values indicated nanotube can be used as an excellent IR sensing material with high-speed, stable and reliable performance under non-cryogenic cooled environment. ©2010 IEEE.

KW - Carbon nanotube

KW - Component

KW - High-speed infrared sensors

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U2 - 10.1109/NEMS.2010.5592173

DO - 10.1109/NEMS.2010.5592173

M3 - RGC 32 - Refereed conference paper (with host publication)

SN - 9781424465439

SP - 161

EP - 164

BT - 2010 IEEE 5th International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2010

T2 - 5th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2010)

Y2 - 20 January 2010 through 23 January 2010

ER -

High-speed non-cryogenic cooled infrared sensors using carbon nanotubes

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