DOI: 10.1063/1.1863447. Displacement current detection of photoconduction in carbon nanotubes

Displacement current detection of photoconduction in carbon nanotubes

10.1063/1.1863447

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Using a capacitive photocurrent measurement technique, we demonstrate the ability of both semiconducting and metallic single wall nanotubes to function as photodetectors over a wide spectral range. We observe clear peaks in the photo induced displacement current of a nanotube-plated capacitor that correspond directly to the semiconducting and metallic transitions in the nanotube absorbance spectrum. The signal increases substantially as the carrier drift velocity is raised with applied bias. A large increase in the photocurrent observed below temperatures of 100K suggests that the nanotube hot carrier relaxation rate decreases substantially at low temperatures.

Bibliography

Mohite, A., Chakraborty, S., Gopinath, P., Sumanasekera, G. U., & Alphenaar, B. W. (2005). Displacement current detection of photoconduction in carbon nanotubes. Applied Physics Letters, 86(6).

Authors 5

A. Mohite (first)
S. Chakraborty (additional)
P. Gopinath (additional)
G. U. Sumanasekera (additional)
B. W. Alphenaar (additional)

References 16 Referenced 51

10.1007/3-540-39947-X / Carbon Nanotubes: Synthesis, Structure, Properties and Applications by Dresselhaus (2001)
10.1038/363603a0 / Nature (London) (1993)
10.1103/PhysRevLett.68.1579 / Phys. Rev. Lett. (1992)
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10.1021/nl0156639 / Nano Lett. (2002)
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10.1021/nl034313e / Nano Lett. (2003)
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10.1103/PhysRevLett.92.017403 / Phys. Rev. Lett. (2004)
10.1103/PhysRevLett.92.077402 / Phys. Rev. Lett. (2004)

Dates

Type	When
Created	20 years, 6 months ago (Feb. 2, 2005, 6:36 p.m.)
Deposited	2 years, 2 months ago (June 23, 2023, 3:23 p.m.)
Indexed	3 weeks, 5 days ago (July 30, 2025, 6:44 a.m.)
Issued	20 years, 6 months ago (Feb. 3, 2005)
Published	20 years, 6 months ago (Feb. 3, 2005)
Published Online	20 years, 6 months ago (Feb. 3, 2005)
Published Print	20 years, 6 months ago (Feb. 7, 2005)

Funders 0

None

BibTeX

@article{Mohite_2005, title={Displacement current detection of photoconduction in carbon nanotubes}, volume={86}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1863447}, DOI={10.1063/1.1863447}, number={6}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Mohite, A. and Chakraborty, S. and Gopinath, P. and Sumanasekera, G. U. and Alphenaar, B. W.}, year={2005}, month=feb }

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