Observation of crystal growth in polyethylene naphthalate by terahertz spectroscopy

D. Odaka; M. Komatsu; Yoshimichi Ohki

doi:10.1109/ICD.2016.7547674

Observation of crystal growth in polyethylene naphthalate by terahertz spectroscopy

D. Odaka, M. Komatsu, Yoshimichi Ohki

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

2 Citations (Scopus)

Abstract

Various properties of polyethylene naphthalate (PEN) are affected by its crystallinity. In this paper, the possibility of using terahertz (THz) spectroscopy as a tool to examine the crystallinity of PEN is studied. When THz absorption is measured while the sample temperature is being raised, an absorption peak suddenly appears at around 2.10 THz at 180 °C. By analyzing the THz spectra together with XRD patterns, we found that the 2.10-THz absorption has a close relation with the crystal form α of PEN and its intensity increases with the progress of crystallization. Therefore, THz absorption spectroscopy can be used for monitoring the crystallization of PEN.

Original language	English
Title of host publication	Proceedings of the 2016 IEEE International Conference on Dielectrics, ICD 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	593-596
Number of pages	4
Volume	1
ISBN (Electronic)	9781509028023
DOIs	https://doi.org/10.1109/ICD.2016.7547674
Publication status	Published - 2016 Aug 18
Event	1st IEEE International Conference on Dielectrics, ICD 2016 - Montpellier, France Duration: 2016 Jul 3 → 2016 Jul 7

Other

Other	1st IEEE International Conference on Dielectrics, ICD 2016
Country/Territory	France
City	Montpellier
Period	16/7/3 → 16/7/7

Keywords

Crystallinity
Polyethylene naphthalete
Terahertz spectroscopy
X-ray diffraction

ASJC Scopus subject areas

Polymers and Plastics
Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering
Ceramics and Composites

Access to Document

10.1109/ICD.2016.7547674

Cite this

Observation of crystal growth in polyethylene naphthalate by terahertz spectroscopy. / Odaka, D.; Komatsu, M.; Ohki, Yoshimichi.

Proceedings of the 2016 IEEE International Conference on Dielectrics, ICD 2016. Vol. 1 Institute of Electrical and Electronics Engineers Inc., 2016. p. 593-596 7547674.

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

Odaka, D, Komatsu, M & Ohki, Y 2016, Observation of crystal growth in polyethylene naphthalate by terahertz spectroscopy. in Proceedings of the 2016 IEEE International Conference on Dielectrics, ICD 2016. vol. 1, 7547674, Institute of Electrical and Electronics Engineers Inc., pp. 593-596, 1st IEEE International Conference on Dielectrics, ICD 2016, Montpellier, France, 16/7/3. https://doi.org/10.1109/ICD.2016.7547674

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abstract = "Various properties of polyethylene naphthalate (PEN) are affected by its crystallinity. In this paper, the possibility of using terahertz (THz) spectroscopy as a tool to examine the crystallinity of PEN is studied. When THz absorption is measured while the sample temperature is being raised, an absorption peak suddenly appears at around 2.10 THz at 180 °C. By analyzing the THz spectra together with XRD patterns, we found that the 2.10-THz absorption has a close relation with the crystal form α of PEN and its intensity increases with the progress of crystallization. Therefore, THz absorption spectroscopy can be used for monitoring the crystallization of PEN.",

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N2 - Various properties of polyethylene naphthalate (PEN) are affected by its crystallinity. In this paper, the possibility of using terahertz (THz) spectroscopy as a tool to examine the crystallinity of PEN is studied. When THz absorption is measured while the sample temperature is being raised, an absorption peak suddenly appears at around 2.10 THz at 180 °C. By analyzing the THz spectra together with XRD patterns, we found that the 2.10-THz absorption has a close relation with the crystal form α of PEN and its intensity increases with the progress of crystallization. Therefore, THz absorption spectroscopy can be used for monitoring the crystallization of PEN.

AB - Various properties of polyethylene naphthalate (PEN) are affected by its crystallinity. In this paper, the possibility of using terahertz (THz) spectroscopy as a tool to examine the crystallinity of PEN is studied. When THz absorption is measured while the sample temperature is being raised, an absorption peak suddenly appears at around 2.10 THz at 180 °C. By analyzing the THz spectra together with XRD patterns, we found that the 2.10-THz absorption has a close relation with the crystal form α of PEN and its intensity increases with the progress of crystallization. Therefore, THz absorption spectroscopy can be used for monitoring the crystallization of PEN.

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KW - Polyethylene naphthalete

KW - Terahertz spectroscopy

KW - X-ray diffraction

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Observation of crystal growth in polyethylene naphthalate by terahertz spectroscopy

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Keywords

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