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Infrared absorption coefficients of vertically aligned carbon nanotube films
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10.1063/1.4757395
/content/aip/journal/apl/101/14/10.1063/1.4757395
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/14/10.1063/1.4757395
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Figures

Image of FIG. 1.
FIG. 1.

(a) Infrared transmittance of the VACNT samples measured at normal incidence, along with that of the reference substrate (d = 0). The calculated transmittance using thin SiO2 films on the Si wafer is also shown for comparison. (b) Directional-hemispherical reflectance of the VACNT samples measured at 6° incidence angle in the visible and near-infrared regions.

Image of FIG. 2.
FIG. 2.

Illustration of the ratio method for deducing the transmittance of the CNT film: (a) transmittance and reflectance of the actual structure of the sample; (b) transmittances and reflectances of the CNT film and substrate, respectively, when the CNT film is separated from the substrate by air.

Image of FIG. 3.
FIG. 3.

Absorption coefficients of three VACNT films showing both the experimental results and the best fitting from the EMT (by varying x).

Image of FIG. 4.
FIG. 4.

SEM images of the VACNT films: (a),(b) 10 μm, (c) 36 μm, and (d) 45 μm. All images are for side view, except that (b) is the top view.

Image of FIG. 5.
FIG. 5.

The effective refractive index and extinction coefficient for ordinary waves predicted by EMT with different x values.

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/content/aip/journal/apl/101/14/10.1063/1.4757395
2012-10-04
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Infrared absorption coefficients of vertically aligned carbon nanotube films
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/14/10.1063/1.4757395
10.1063/1.4757395
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