Determination of thermal and optical properties of ion implated polyetheretherketone films by photothermal spectroscopies

de Albuquerque, J. E., Tavenner, E., Curry, M., Giedd, R. E. and Meredith, P. (2007) Determination of thermal and optical properties of ion implated polyetheretherketone films by photothermal spectroscopies. Journal of Applied Physics, 101 5: 054506.1-054506.8. doi:10.1063/1.2436465

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Author de Albuquerque, J. E.
Tavenner, E.
Curry, M.
Giedd, R. E.
Meredith, P.
Title Determination of thermal and optical properties of ion implated polyetheretherketone films by photothermal spectroscopies
Journal name Journal of Applied Physics   Check publisher's open access policy
ISSN 0021-8979
1089-7550
Publication date 2007-03-05
Year available 2007
Sub-type Article (original research)
DOI 10.1063/1.2436465
Open Access Status File (Publisher version)
Volume 101
Issue 5
Start page 054506.1
End page 054506.8
Total pages 8
Place of publication College Park, MD, United States
Publisher American Institute of Physics
Collection year 2008
Language eng
Subject 240203 Condensed Matter Physics - Electronic and Magnetic Properties; Superconductivity
C1
780102 Physical sciences
Abstract Photothermal spectroscopies, photopyroelectric spectroscopy and photoacoustic spectroscopy (PAS), were used to study the thermal and optical properties of untreated and N+ ion implanted polyetheretherketone (PEEK) films. The photopyroelectric (PPE) intensity signal and its phase were independently measured as a function of wavelength and chopping frequency in the saturation part of the PPE spectrum. Equations for both the intensity and the phase of the PPE signal were used to fit the experimental results. From these fits we obtained the thermal diffusivity coefficient, the thermal conductivity, and the specific heat of the samples, as well as a value for the condensed phase optical gap. Additionally, using PAS we carried out a quantitative depth profile analysis of the optical properties of the ion implanted PEEK films. Since the thermal diffusion length varies inversely with the square root of chopping modulation frequency, at high chopping frequencies surface information is obtained. At low chopping frequencies information concerning the properties of the bulk is obtained. The overall objectives of this study are to understand and quantify how ion implantation affects the thermal and optical properties of the polymer, particularly within the implant region. We find that significant changes do occur, and our results have implications for the use of ion implantation to create plastic electronic and sensor devices.
Keyword Physics, Applied
Poly(ether Ether Ketone)
Photopyroelectric Spectroscopy
Polyaniline Films
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Thu, 03 Apr 2008, 09:53:51 EST by Jenny Robinson on behalf of School of Mathematics & Physics