NDLI: Optical and thermo-optical properties of polyimide-single-walled carbon nanotube films: experimental results and empirical equations

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Optical and thermo-optical properties of polyimide-single-walled carbon nanotube films: experimental results and empirical equations

Content Provider	NASA Technical Reports Server (NTRS)
Author	Smith Jr., Joseph G. Watson, Kent A. Danehy, Paul M. Connell, John W.
Copyright Year	2005
Description	The incorporation of single-walled carbon nanotubes (SWNTs) into the bulk of space environmentally durable polymers at loading levels greater than or equal to 0.05 wt % has afforded thin films with surface and volume resistivities sufficient for electrostatic charge mitigation. However, the optical transparency at 500 nm decreased and the thermo-optical properties (solar absorptivity and thermal emissivity) increased with increaed SWNT loading. These properties were also dependent on film thickness. The absorbance characteristics of the films as a function of SWNT loading and film thickness were measured and determined to follow the classical Beer-Lambert law. Based on these results, an empirical relationship was derived and molar absorptivities determined for both the SWNTs and polymer matrix to provide a predictive approximation of these properties. The molar absorptivity determined for SWNTs dispersed in the polymer was comparable to reported solution determined values for HiPco SWNTs.
File Size	416755
Page Count	24
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20090014202
Archival Resource Key	ark:/13960/t3jx3bd8d
Language	English
Publisher Date	2005-01-01
Access Restriction	Open
Subject Keyword	Optics Thin Films Emissivity Light Visible Radiation Optical Properties Predictions Polyimides Carbon Nanotubes Durability Film Thickness Electrostatic Charge Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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