A super dark material: Randomness and porosity in a nanostructure

Zu-Po Yang; S. Y. Lin; J. A. Bur; L. Ci; P. M. Ajayan

doi:10.1117/12.732441

A super dark material: Randomness and porosity in a nanostructure

Zu-Po Yang, S. Y. Lin, J. A. Bur, L. Ci, P. M. Ajayan

Institute of Photonic System

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

1 Scopus citations

Abstract

In this paper, we report the realization of a low-density vertically aligned carbon nanotube (VA-CNT) array and show that it can have an ultra-low total reflectance due to its nanoscale surface roughness and low index of refraction as recently predicted by theories [1]. Our VA-CNT arrays have a total reflectance R=0.1%, which is 60%-80% lower than the previously reported lowest value, making it the best candidate for an ideal, all-angle, all-wavelength optical absorber.

Original language	English
Title of host publication	Nanophotonics and Macrophotonics for Space Environments
DOIs	https://doi.org/10.1117/12.732441
State	Published - 1 Dec 2007
Event	Nanophotonics and Macrophotonics for Space Environments - San Diego, CA, United States Duration: 27 Aug 2007 → 28 Aug 2007

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	6713
ISSN (Print)	0277-786X

Conference

Conference	Nanophotonics and Macrophotonics for Space Environments
Country	United States
City	San Diego, CA
Period	27/08/07 → 28/08/07

Keywords

Carbon nantubes
Optical absorber
Randomness scattering
Super dark material

Access to Document

10.1117/12.732441

Link to publication in Scopus

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Yang, Z-P., Lin, S. Y., Bur, J. A., Ci, L., & Ajayan, P. M. (2007). A super dark material: Randomness and porosity in a nanostructure. In Nanophotonics and Macrophotonics for Space Environments [67130N] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6713). https://doi.org/10.1117/12.732441

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abstract = "In this paper, we report the realization of a low-density vertically aligned carbon nanotube (VA-CNT) array and show that it can have an ultra-low total reflectance due to its nanoscale surface roughness and low index of refraction as recently predicted by theories [1]. Our VA-CNT arrays have a total reflectance R=0.1%, which is 60%-80% lower than the previously reported lowest value, making it the best candidate for an ideal, all-angle, all-wavelength optical absorber.",

keywords = "Carbon nantubes, Optical absorber, Randomness scattering, Super dark material",

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Yang, Z-P, Lin, SY, Bur, JA, Ci, L & Ajayan, PM 2007, A super dark material: Randomness and porosity in a nanostructure. in Nanophotonics and Macrophotonics for Space Environments., 67130N, Proceedings of SPIE - The International Society for Optical Engineering, vol. 6713, Nanophotonics and Macrophotonics for Space Environments, San Diego, CA, United States, 27/08/07. https://doi.org/10.1117/12.732441

A super dark material : Randomness and porosity in a nanostructure. / Yang, Zu-Po; Lin, S. Y.; Bur, J. A.; Ci, L.; Ajayan, P. M.

Nanophotonics and Macrophotonics for Space Environments. 2007. 67130N (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6713).

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

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