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The number density of carbonyl (C˭O) in PADC, which composes carbonate ester, is hardly affected by the UV photons below the critical fluence of 3.0 × 1019 photons/cm2. The number density of carbonyl decreases only above the critical fluence, while those of ether and C-O-C in carbonate ester are monotonically cleaved. These findings corroborate the previous result using 28 MeV electron beams, in which the carbonate ester is lost only above the critical fluence of 1.6 × 1015 electrons/cm2, where the overlapping of electron tracks becomes significant. We extend the conventional track overlapping model to clarify the spatial distribution of point-like defects after the UV exposure. 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Drastic decrease of carbonyl group after the loss of ether in PADC exposed to 222 nm UV photons
https://repo.qst.go.jp/records/49404
https://repo.qst.go.jp/records/494040d7b2f62-3bed-41e5-95ba-f2c7de0ac4a0
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-01-07 | |||||
タイトル | ||||||
タイトル | Drastic decrease of carbonyl group after the loss of ether in PADC exposed to 222 nm UV photons | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Kusumoto , Tamon
× Kusumoto , Tamon× Mori, Yutaka× Kanzaki, Masato× Oda, Keiji× Kodaira, Satoshi× Rémi, Barillon× Yamauchi, Tomoya× Tamon, Kusumoto× Satoshi, Kodaira |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We aim to elucidate the chemical damage structure in poly(allyl diglycol carbonate), PADC, exposed to UV photons with a wavelength of 222 nm using FT-IR spectrometric method. The number density of carbonyl (C˭O) in PADC, which composes carbonate ester, is hardly affected by the UV photons below the critical fluence of 3.0 × 1019 photons/cm2. The number density of carbonyl decreases only above the critical fluence, while those of ether and C-O-C in carbonate ester are monotonically cleaved. These findings corroborate the previous result using 28 MeV electron beams, in which the carbonate ester is lost only above the critical fluence of 1.6 × 1015 electrons/cm2, where the overlapping of electron tracks becomes significant. We extend the conventional track overlapping model to clarify the spatial distribution of point-like defects after the UV exposure. The discrete damage is seen at the critical condition, based on the extended track overlapping model. | |||||
書誌情報 |
Radiation Physics and Chemistry 巻 157, p. 60-64, 発行日 2019-01 |
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出版者 | ||||||
出版者 | ELSEVIER | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0969-806X | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.radphyschem.2018.12.018 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.radphyschem.2018.12.018 |