A reel-wound carbon nanotube polarizer for terahertz frequencies

Jisoo Kyoung; Eui Yun Jang; Márcio D. Lima; Hyeong Ryeol Park; Raquel Ovalle Robles; Xavier Lepró; Yong Hyup Kim; Ray H. Baughman; Dai Sik Kim

doi:10.1021/nl202214y

A reel-wound carbon nanotube polarizer for terahertz frequencies

Jisoo Kyoung, Eui Yun Jang, Márcio D. Lima, Hyeong Ryeol Park, Raquel Ovalle Robles, Xavier Lepró, Yong Hyup Kim, Ray H. Baughman, Dai Sik Kim

Research output: Contribution to journal › Article › peer-review

93 Scopus citations

Abstract

Utilizing highly oriented multiwalled carbon nanotube aerogel sheets, we fabricated micrometer-thick freestanding carbon nanotube (CNT) polarizers. Simple winding of nanotube sheets on a U-shaped polyethylene reel enabled rapid and reliable polarizer fabrication, bypassing lithography or chemical etching processes. With the remarkable extinction ratio reaching ∼37 dB in the broad spectral range from 0.1 to 2.0 THz, combined with the extraordinary gravimetric mechanical strength of CNTs, and the dispersionless character of freestanding sheets, the commercialization prospects for our CNT terahertz polarizers appear attractive.

Original language	English (US)
Pages (from-to)	4227-4231
Number of pages	5
Journal	Nano letters
Volume	11
Issue number	10
DOIs	https://doi.org/10.1021/nl202214y
State	Published - Oct 12 2011
Externally published	Yes

Keywords

Carbon nanotube
THz polarizer
aligned nanotube sheets
nanotube dischroism
nanotubeprocessing
wound nanotube sheets

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title = "A reel-wound carbon nanotube polarizer for terahertz frequencies",

abstract = "Utilizing highly oriented multiwalled carbon nanotube aerogel sheets, we fabricated micrometer-thick freestanding carbon nanotube (CNT) polarizers. Simple winding of nanotube sheets on a U-shaped polyethylene reel enabled rapid and reliable polarizer fabrication, bypassing lithography or chemical etching processes. With the remarkable extinction ratio reaching ∼37 dB in the broad spectral range from 0.1 to 2.0 THz, combined with the extraordinary gravimetric mechanical strength of CNTs, and the dispersionless character of freestanding sheets, the commercialization prospects for our CNT terahertz polarizers appear attractive.",

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author = "Jisoo Kyoung and Jang, {Eui Yun} and Lima, {M{\'a}rcio D.} and Park, {Hyeong Ryeol} and Robles, {Raquel Ovalle} and Xavier Lepr{\'o} and Kim, {Yong Hyup} and Baughman, {Ray H.} and Kim, {Dai Sik}",

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AU - Kyoung, Jisoo

AU - Jang, Eui Yun

AU - Lima, Márcio D.

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AU - Robles, Raquel Ovalle

AU - Lepró, Xavier

AU - Kim, Yong Hyup

AU - Baughman, Ray H.

AU - Kim, Dai Sik

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Y1 - 2011/10/12

N2 - Utilizing highly oriented multiwalled carbon nanotube aerogel sheets, we fabricated micrometer-thick freestanding carbon nanotube (CNT) polarizers. Simple winding of nanotube sheets on a U-shaped polyethylene reel enabled rapid and reliable polarizer fabrication, bypassing lithography or chemical etching processes. With the remarkable extinction ratio reaching ∼37 dB in the broad spectral range from 0.1 to 2.0 THz, combined with the extraordinary gravimetric mechanical strength of CNTs, and the dispersionless character of freestanding sheets, the commercialization prospects for our CNT terahertz polarizers appear attractive.

AB - Utilizing highly oriented multiwalled carbon nanotube aerogel sheets, we fabricated micrometer-thick freestanding carbon nanotube (CNT) polarizers. Simple winding of nanotube sheets on a U-shaped polyethylene reel enabled rapid and reliable polarizer fabrication, bypassing lithography or chemical etching processes. With the remarkable extinction ratio reaching ∼37 dB in the broad spectral range from 0.1 to 2.0 THz, combined with the extraordinary gravimetric mechanical strength of CNTs, and the dispersionless character of freestanding sheets, the commercialization prospects for our CNT terahertz polarizers appear attractive.

KW - Carbon nanotube

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KW - aligned nanotube sheets

KW - nanotube dischroism

KW - nanotubeprocessing

KW - wound nanotube sheets

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A reel-wound carbon nanotube polarizer for terahertz frequencies

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Keywords

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