Uncooled infrared sensing using graphene

King Wai Chiu Lai, Ning Xi, Carmen Kar Man Fung, Hongzhi Chen, Liangliang Chen, Ruiguo Yang, Bo Song

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Design, fabrication and development of quantum infrared detectors using graphene are discussed in this paper. By using graphene made from mechanical exfoliation as the sensing element, we observe strong electron-photon coupling effects on the devices. In the presences of two infrared sources with two different wavelengths (830 nm and 1064 nm), we show that the graphene-based devices generates photocurrents at room temperature. The photocurrents induced by electron-hole pair generation are measured on the exfoliated multilayer graphene in uncooled condition. In addition, we found that the photo-carrier generation of the multilayer graphene is higher than that of single-layer graphene and carbon nanotubes which have been studied extensively recently. These results suggest multilayer graphene is suitable for infrared sensing. Besides, a new method of classifying graphene using dielectrophoretic manipulation is presented. Graphene flakes exposed to a non-uniform electric field are expected to behave differently based on the difference in conductivity of graphene. We demonstrate the ability to select and manipulate graphene flakes between electrodes by using the dielectrophoretic manipulation. The infrared responses of the graphene after the different manipulation configuration are investigated. The present study offers a novel classification of graphene for developing high performance nano infrared sensors.

Original languageEnglish (US)
Title of host publication2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011
Pages98-101
Number of pages4
DOIs
StatePublished - Dec 1 2011
Event2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011 - Jeju, Korea, Republic of
Duration: Oct 18 2011Oct 21 2011

Publication series

Name2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011

Other

Other2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011
CountryKorea, Republic of
CityJeju
Period10/18/1110/21/11

Fingerprint

Graphite
Graphene
Infrared radiation
Multilayers
Photocurrents
Carbon Nanotubes
Infrared detectors
Electrons
Carbon nanotubes
Photons

Keywords

  • Graphene
  • infrared sensing
  • optical detection

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Lai, K. W. C., Xi, N., Fung, C. K. M., Chen, H., Chen, L., Yang, R., & Song, B. (2011). Uncooled infrared sensing using graphene. In 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011 (pp. 98-101). [6155320] (2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011). https://doi.org/10.1109/NMDC.2011.6155320

Uncooled infrared sensing using graphene. / Lai, King Wai Chiu; Xi, Ning; Fung, Carmen Kar Man; Chen, Hongzhi; Chen, Liangliang; Yang, Ruiguo; Song, Bo.

2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011. 2011. p. 98-101 6155320 (2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lai, KWC, Xi, N, Fung, CKM, Chen, H, Chen, L, Yang, R & Song, B 2011, Uncooled infrared sensing using graphene. in 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011., 6155320, 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011, pp. 98-101, 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011, Jeju, Korea, Republic of, 10/18/11. https://doi.org/10.1109/NMDC.2011.6155320
Lai KWC, Xi N, Fung CKM, Chen H, Chen L, Yang R et al. Uncooled infrared sensing using graphene. In 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011. 2011. p. 98-101. 6155320. (2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011). https://doi.org/10.1109/NMDC.2011.6155320
Lai, King Wai Chiu ; Xi, Ning ; Fung, Carmen Kar Man ; Chen, Hongzhi ; Chen, Liangliang ; Yang, Ruiguo ; Song, Bo. / Uncooled infrared sensing using graphene. 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011. 2011. pp. 98-101 (2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011).
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