Effects of ultraviolet photon irradiation on the space charge accumulation properties of several biodegradable polymers

Yuya Yamaguchi; Naoshi Hirai; Toshikatsu Tanaka; Yoshimichi Ohki; Yoshiro Tajitsu; Masanori Kohtoh; Shigemitsu Okabe

doi:10.1109/iseim.2005.193578

Effects of ultraviolet photon irradiation on the space charge accumulation properties of several biodegradable polymers

Yuya Yamaguchi^*, Naoshi Hirai, Toshikatsu Tanaka, Yoshimichi Ohki, Yoshiro Tajitsu, Masanori Kohtoh, Shigemitsu Okabe

^*この研究の対応する著者

各務記念材料技術研究所

研究成果: Paper › 査読

5 被引用数 (Scopus)

抄録

Five kinds of biodegradable polymers were irradiated for 30 minutes by ultraviolet photons from a KrCl excimer lamp. Space charge distribution profiles observed by the pulsed electroacoustic method were compared between the non-irradiated and irradiated samples. The absorption spectra as a function of wavelength obtained for the samples indicate intensive appearance of conjugated double bonds in the vicinity of the irradiated surface in all the biodegradable polymers. Molecular weight composition profiles observed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry show that the samples were decomposed by the irradiation. This decomposition seems to be responsible for the higher conductivity of the irradiated samples, which in turn results in the change of space charge distribution profiles.

本文言語	English
ページ	421-424
ページ数	4
DOI	https://doi.org/10.1109/iseim.2005.193578
出版ステータス	Published - 2005
イベント	2005 International Symposium on Electrical Insulating Materials, ISEIM 2005 - Kitakyushu, Japan 継続期間: 2005 6月 5 → 2005 6月 9

Conference

Conference	2005 International Symposium on Electrical Insulating Materials, ISEIM 2005
国/地域	Japan
City	Kitakyushu
Period	05/6/5 → 05/6/9

ASJC Scopus subject areas

工学（全般）
材料科学（全般）

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10.1109/iseim.2005.193578

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引用スタイル

Yamaguchi, Y., Hirai, N., Tanaka, T., Ohki, Y., Tajitsu, Y., Kohtoh, M., & Okabe, S. (2005). Effects of ultraviolet photon irradiation on the space charge accumulation properties of several biodegradable polymers. 421-424. Paper presented at 2005 International Symposium on Electrical Insulating Materials, ISEIM 2005, Kitakyushu, Japan. https://doi.org/10.1109/iseim.2005.193578

Yamaguchi, Y, Hirai, N, Tanaka, T, Ohki, Y, Tajitsu, Y, Kohtoh, M & Okabe, S 2005, 'Effects of ultraviolet photon irradiation on the space charge accumulation properties of several biodegradable polymers', Paper presented at 2005 International Symposium on Electrical Insulating Materials, ISEIM 2005, Kitakyushu, Japan, 05/6/5 - 05/6/9 pp. 421-424. https://doi.org/10.1109/iseim.2005.193578

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abstract = "Five kinds of biodegradable polymers were irradiated for 30 minutes by ultraviolet photons from a KrCl excimer lamp. Space charge distribution profiles observed by the pulsed electroacoustic method were compared between the non-irradiated and irradiated samples. The absorption spectra as a function of wavelength obtained for the samples indicate intensive appearance of conjugated double bonds in the vicinity of the irradiated surface in all the biodegradable polymers. Molecular weight composition profiles observed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry show that the samples were decomposed by the irradiation. This decomposition seems to be responsible for the higher conductivity of the irradiated samples, which in turn results in the change of space charge distribution profiles.",

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AU - Yamaguchi, Yuya

AU - Hirai, Naoshi

AU - Tanaka, Toshikatsu

AU - Ohki, Yoshimichi

AU - Tajitsu, Yoshiro

AU - Kohtoh, Masanori

AU - Okabe, Shigemitsu

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AB - Five kinds of biodegradable polymers were irradiated for 30 minutes by ultraviolet photons from a KrCl excimer lamp. Space charge distribution profiles observed by the pulsed electroacoustic method were compared between the non-irradiated and irradiated samples. The absorption spectra as a function of wavelength obtained for the samples indicate intensive appearance of conjugated double bonds in the vicinity of the irradiated surface in all the biodegradable polymers. Molecular weight composition profiles observed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry show that the samples were decomposed by the irradiation. This decomposition seems to be responsible for the higher conductivity of the irradiated samples, which in turn results in the change of space charge distribution profiles.

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Effects of ultraviolet photon irradiation on the space charge accumulation properties of several biodegradable polymers

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