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Optical Engineering

Optical power limiting and nonlinear absorption effects of polymer functionalized carbon nanotube thin films
Author(s): Liangmin Zhang; Jacquelyn Thomas; Susan Davis Allen; You-Xiong Wang
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Paper Abstract

Polymer/multiple walled carbon nanotube (MWNT) thin films on glass slide substrates have been fabricated by using the spin-coating method. The optical power limiting performance and nonlinear absorption in these films have been characterized experimentally. Transmission electron micrograph and scanning electron microscope (SEM) techniques have been used to investigate the interaction between polymer molecules and MWNTs. SEM images of polymer functionalized carbon nanotubes show that polymer molecules and MWNTs can interact via ∏-stacking to increase solubilization of MWNTs, which can be used to explain the optical power limiting effect. For quantitative comparison of different polymer MWNT thin film performance, the open Z-scan technique is employed to measure nonlinear absorption coefficient and optical power limiting effects of different polymer MWNT thin films.

Paper Details

Date Published: 1 June 2010
PDF: 6 pages
Opt. Eng. 49(6) 063801 doi: 10.1117/1.3456710
Published in: Optical Engineering Volume 49, Issue 6
Show Author Affiliations
Liangmin Zhang, Arkansas State Univ. (United States)
Jacquelyn Thomas, Arkansas State Univ. (United States)
Susan Davis Allen, Arkansas State Univ. (United States)
You-Xiong Wang, Virginia Polytechnic Institute and State Univ. (United States)

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